| Observation Date |
Observation Time |
Precipitation |
Snowfall |
Snowfall SWE |
Snow Depth |
Snow SWE |
Notes |
| 10/1/2011 |
5:13 AM |
T |
M |
M |
M |
M |
Interestingly on the SW side of this system, there appears to be a cold front approaching WA and OR from West to East. The direction of this system is congruous to both the ulw and NPJ charts(SW to NE). |
| 10/2/2011 |
5:03 AM |
T |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 10/01-we have what appears to be an Altostratus overcast with scattered lower level Cumulus. Temperatures are in the upper 60's to low 70's (or about ten degrees cooler than yesterday at this time), BP 29.65"F along with light air movement from the NW. Current conditions for 10/02-mostly cloudy skies (Altocumulus), light haze, and minimal air movement. It is from the North at 0-2 mph, wind puff: out of the WNW to 8 mph, humidity 70%, dew point 43°, current snow level 6500' [yesterday, it was 9500'], ot temperature 53.1°, and the barometric pressure 29.79" and rising. |
| 10/3/2011 |
7:00 AM |
0.00 |
0.0 |
M |
M |
M |
|
| 10/4/2011 |
5:03 AM |
0.06 |
0.0 |
M |
0.0 |
M |
The system responsible for the precipitation in this area during the overnight, has moved East into extreme Eastern WA, the Northern panhandle of ID, NW MT and Southeastern BC as it is now moving East by NE up (the steep NW side) and over a ridge of high pressure East of the region (WA). The result being a brief reprieve until the next system arrives on the scene sometime tonight. The GOES West Satellite images (longwave, water vapor and water vapor enhancement) show three systems the first of which is moving East by NE over central OR, NE CA as well as over and West of the Cascades of WA. Followed by a brief break, the second system presents an interesting situation. While the "Northern" half is simultaneously moving NE by NW {and at this time looks to clip NW WA}, the Southern section is approaching the OR coast from West to East. The third system is being rudely shoved to the SE as it slides down the gentle NE side of a high pressure ridge (with relatively tight pressure gradients, and its apex extending in a NW tilt beyond the middle to outer Aleutians) and appears headed into the bowels of a trough {currently off the central to Southern CA coast} with the Southernmost sag adjacent to Baja, CA. Current conditions for 10/04-overcast skies (a thicker Altostratus overcast with scattered lower level Cumulus), light to moderate haze, and very little to no air movement. It is from the North at 0-2 mph, wind puff: out of the NNE to 6 mph, humidity 95% (the last time the reading was this high, occurred on 5/14/11 and 5/15/11 when it was 92% and 95% respectively), dew point 49°, current snow level 5500' [yesterday, it was 7500'], ot temperature 55.6°, and the barometric pressure 29.57" and falling. |
| 10/5/2011 |
5:02 AM |
0.42 |
0.0 |
M |
0.0 |
M |
0.11" had fallen by the observation time and the remainder 0.31" fell from that time until it stopped as shown below. Since yesterday, some big changes have occurred to the upper level low. It has become mammoth in size with very tight pressure gradients and a SE sag not to mention its moving a considerable distance to the SE from its former location (West of the Queen Charlottes). The East and SE side of it has moved into Western OR, Northern to central CA, and Western NV the resulting action being a forcing of "clouds" (on its SE side) in an East by NE direction into Northern NV and UT (where a moderate amount of precipitation in the form of SNOW is forecast from SW to Northern NV-near the UT border-and from SW to NE UT-the Cedar region to Salt Lake City and from there East to the CO border) and Southern ID. Within this behemoth (according to the NAM model) is an egg-shaped upper level low, circulating in a SW to NE pattern with two centers one of which is located on the WA/OR coasts while the other is just SW of the Queen Charlottes. So, what is giving the East by SE movement to this trough? It would appear that with strong high pressure over the upper mid West, and another high pressure ridge moving East and located SW of the Gulf acts as a "plow" by forcing the trough East by SE into the SE flank of the stronger high pressure (mentioned above) the results of which not only "squeeze" the trough, but also gives it the East by SE action. Current conditions for 10/05-although the rain stopped a few hours ago, we have overcast skies with low clouds residing on the ridges and higher peaks around the valley. There is light haze, minimal air movement from the WNW at 2 mph, wind puff: out of the NW to 8 mph, humidity 99%, dew point 50°, current snow level 5500', ot temperature 54.1°, and the barometric pressure 29.31" and falling. |
| 10/6/2011 |
5:06 AM |
0.09 |
0.0 |
M |
0.0 |
M |
Both the NAM and GFS models as well as the NPJ chart show a split in their respective flows with some of the energy in a SW flow over Southern AK, the Yukon, and NW BC while the rest of it turns SE (in a NW flow) into Southern CA in the form of a deep trough with some minor ridging (in a NE tilt just West and SW of Vancouver Island and the Queen Charlottes respectively) in between. This trough has a southern sag, with the southernmost boundary now sagging into Northern Baja, CA along with very tight pressure gradients. However, the SE end of the trough continues to shift East by NE, forcing the clouds on that side of it slightly to the NE. Now between the trough, and the strong high pressure ridge over the upper mid-West, there appears to be several "waves" (closest to the trough) moving from the SE (UT, WY) to the NW (WA, OR, and ID). What would account for this action? Both the GFS and NAM models show a large upper level low circulating in a SE to NW pattern from Southern CA to SE Vancouver Island with the center located over the Portland/Vancouver area. The East and NE side of this upper level low, extends into Western UT, and most of ID and WA (1st possibility). As for the "waves" moving from the SE (WY, SD) to the NW (SW Alberta and SE BC), this is congruous to both the upper level wind and NPJ charts (SE to NW) before turning NE to crest the strong ridge of high pressure over the upper mid-West (2nd possibility). Current conditions for 10/06-mostly cloudy with partial clearing from the West to the North, light haze, along with light wind velocities. They are from the West at 5-8 mph (although the velocities have picked-up in the last few minutes), wind gust: out of the WNW to 17 mph, humidity 61%, dew point 40°, current snow level 5000' rising to 6000' later today, ot temperature 54.3°, and the barometric pressure 29.55" and rising. |
| 10/7/2011 |
5:02 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Since yesterday, there has been some changes in the flow pattern of the upper level wind and NPJ charts with some of the energy in a SW flow over the SE portion of the Yukon and central BC instead of Southern AK, all of the Yukon, and NW BC. At this point, a discrepancy exists between the GFS, NAM, GOES West water vapor image and the NPJ chart. Whereas the NPJ chart and the GOES West water vapor model both show a relatively small "compressed" trough moving East by NE (SE of and parallel to the Aleutians), the GFS and NAM models do not show any indication of the trough's presence. Between this and the deep trough to the SE, is a weak ridge of high pressure over most of WA and OR with the ridge axis in NW WA and the apex extending over SE Vancouver Island into SW BC. Indications are, however, that the apex of this high pressure ridge will shift East into SW Alberta thereby, allowing a stronger ridge of high pressure to emerge just West of the BC, WA, and OR coasts by sometime tomorrow though close enough to be influential to the PNW. The result being drier and slightly warmer conditions for the time being. Unfortunately, this ridge of high pressure continues its Eastward movement throughout the day until by Sunday, it is East of the region (WA) with the ridge axis now in Eastern MT. Current conditions for 10/07- scattered clouds (all Cumulus) on an otherwise mostly sunny day, little to no haze, no precipitation in the last 24, and light wind velocities. They are from the West at 3-5 mph, wind gust: out of the West to 17 mph, humidity 56%, dew point 40°, current snow level 7500' [yesterday, it was 6000'], ot temperature 59.5°, and the barometric pressure 29.74" and rising.
|
| 10/8/2011 |
5:05 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The deep trough that had been affecting this region (WA) for the past few days has moved out of the PNW and into the Southwestern US with the Southernmost sag now into central and Southern Baja, CA, the Northern half of the Gulf of CA, and Northwestern Mexico. Within this trough, is a relatively small upper level low circulating in a general SW to NE pattern over the CO/KS border. Meanwhile, there appears to be a surface high pressure over WA, OR, most of ID and NW MT with the apex extending just beyond WA and ID into SE BC. In addition, the ridge axis lies in a SW to NE plane from NW CA across Southcentral to NE OR and into the Northern panhandle of ID and NW MT. This would appear to concur in general with the NOAA surface analysis map which shows a surface high pressure in SE BC just SW of the Canadian Rockies near the Golden area and another one in NE OR near Baker City. NW of this surface high pressure (mentioned above), is an upper level low (with tight pressure gradients and a SE sag) moving East by NE into the SW side of a ridge of high pressure aloft over the Yukon's SE quadrant, the NW Territories SW section and the PNW. At this point, the NOAA surface analysis map shows an occluded front with the low centered to the West of the Queen Charlottes and moving East by NE toward the Queen Charlottes, Vancouver Island, BC and WA. Current conditions for 10/08-scattered Cirrus and Altocumulus on an otherwise mostly sunny morning, although there was no precipitation during the overnight, there was light dew on the ground, condensation on the gauge, and little to no air movement. What meager velocity there was came from the West at 2-5 mph, wind gust: out of the WNW to 13 mph, humidity 77% (yesterday, the reading was 56%), dew point 38°, current snow level 9500' [yesterday, it was 7500'], ot temperature 48.7°, and the barometric pressure 30.07" and rising.
|
| 10/9/2011 |
5:59 AM |
T |
M |
M |
M |
M |
Yesterday's surface high pressure over WA, OR, most of ID and NW MT, has since been replaced by a SW flow over central and Southern BC and WA while the ridge of high pressure has moved well East of yesterday's location (over the Yukon's SE quadrant, the NW Territories SW section and the PNW) to over the NW Territories Southcentral region, Alberta and Saskatchewan with its ridge axis now in West central MT. Meanwhile, yesterday's trough (with a relatively small upper level low circulating in a general circular pattern just West of the Queen Charlottes) has moved NE into SE AK and appears to have weakened in the process. Interestingly, the clouds associated with it are moving into the very area (Northern BC) that was formerly occupied by the ridge of high pressure (mentioned above). The "agent" responsible for the light rain this morning was a relatively small piece of energy that passed over this area sometime between 6:15 AM and 6:35 AM. Followed by a brief clearing, another wave quickly approached WA from West to East (right behind the first one) and is already over Western WA. Followed by yet another break, a much larger and stronger wave is expected to bring rain to the state by sometime Monday (UW Atmospheric Sciences-NW IR Satellite image). Current conditions for 10/09-mostly cloudy skies (Altocumulus) with some partial clearing, light to moderate haze, and little to no air movement. What movement there is, comes from the North at 1 mph, wind gust: out of the NNW to 10 mph, humidity 78%, dew point 44°, current snow level 7000' [yesterday, it was 9500'], ot temperature 52.3°, and the barometric pressure 29.90" and rising. |
| 10/10/2011 |
5:29 AM |
0.02 |
0.0 |
M |
0.0 |
M |
Although both the GFS and NPJ charts show a slight split in the flow, there is some disagreement as to exactly where. The NPJ chart shows a SW flow into BC and Northern WA before turning SE into SW OR and NW CA leaving Southern WA and NE OR in the doldrums whereas the GFS model shows a SW flow into BC, NW WA, and a zonal flow over the Northern tier of OR before turning slightly SE over NE CA and Northern NV leaving most of WA and OR in the doldrums. Meanwhile, there is a "deep Gulf of AK low (upper level trough) with a SE sag adjacent to the Queen Charlottes (indications are that this trough will continue to move NE toward SE AK and hang around until mid-week when high pressure will more than likely be in place over WA and OR) with two centers one of which is located SE of central Kodiak Island, while the other is West of Baranof Island in SE AK (Canadian 00z model) At this point, the NOAA surface analysis map shows an occluded front with the low centered at the second site mentioned above. The majority of this lengthy occluded segment is moving East by NE toward Southern AK, the Yukon, SE AK, the Queen Charlottes, BC, Vancouver Island, and WA. Current conditions for 10/10-overcast with low clouds and an occasional light rain shower {most of the precipitation appears to be SE of this area and moving East from Yakima to the Tri-Cities areas-UW NW Radar image}, moderate haze, and little to no air movement. What little movement there is comes from the North at 2 mph, wind puff: out of the NNE to 7 mph, humidity 88% (yesterday, it was 78%), dew point 49°, current snow level 6500', ot temperature 54.1°, and the barometric pressure 29.56" and falling. |
| 10/11/2011 |
4:20 AM |
0.02 |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 10/10-since earlier this morning when the skies were overcast and ominous in appearance, some partial clearing has occurred with lower level Cumulus being by far the dominant type with some Altocumulus to the East. Temperatures are in the low to mid 60's, BP 29.41"F along with calm winds. Yesterday, the forecast stated that between "a tenth to a quarter inch of lowland precipitation should be common" for today. During the course of the day, only 002" was recorded at this observation site. What happened? According to the GFA model, the upper level winds are in a SW flow over BC and NW WA, then in a zonal flow over the Northern tier of OR. At this point, it appears that the bulk of the more intense precipitation is located South of this area with about a third of a moderated sized band moving West to East from Yakima to the Tri-Cities and Walla Walla communities in WA while the remaining two thirds, in similar fashion, moved West to East from John Day to Baker City, Ontario and the Caldwell communities of OR and ID respectively (UW Radar Loop image). As for the less intense precipitation, scattered showers moved SW to NE over the Northern tier of the Olympic Peninsula, SE Vancouver Island into the Vancouver, BC area as well as NW WA. These "directions" are congruous both to the zonal flow over Northern OR, and the SW flow over BC and NW WA. It would seem, therefore, that the bulk of precipitation basically went around this area though what we did receive were light showers of brief duration. Current conditions for 10/11-scattered Cumulus on an otherwise very pleasant morning, light haze, and minimal to light air movement for the time being. This light air movement is coming from the North at 4 mph, wind gust: out of the NNW to 11 mph, humidity 85%, dew point 46°, current snow level 5500' [yesterday, it was 6500'], ot temperature 53.1°, and the barometric pressure 29.44" and falling. |
| 10/12/2011 |
4:48 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Both the upper level wind and NPJ charts, show a weak ridge of high pressure building in over Southern BC, WA, OR, most of ID, NV, and UT. There are indications that by sometime tomorrow the apex will flatten along the Northern WA, ID and Western MT borders. Later the same day however, this weak ridge (with a NW tilt) then re-builds to some extent just off the coasts of SW BC, WA and OR (its apex now extending just beyond Vancouver Island) before moving slightly East over the areas mentioned above. Meanwhile, South of Kodiak Island is an upper level low within which there appears to be a small depression located on its SW side moving East by
SE and circulating in a counterclockwise rotation. Immediately West if this "trough" is a relatively strong ridge of high pressure (with a NE tilt) extending well beyond the Aleutians with its apex just nudging over the Southern Seward Peninsula boundary. As this ridge of high pressure moves East by SE, it forces the above mentioned trough ahead of it in the same East by SE direction to take up "residence" well off the Southern CA coast for the time being. The result of this action compresses the trough and amplifies the ridge of high pressure (mentioned above) which will bring drier and slightly warmer conditions to this area by sometime Friday before moving East of the area the following day.
Current conditions for 10/12-scattered Clouds on an otherwise mostly sunny day, light haze, no precipitation in the last 24, and little to no air movement. What little movement there is comes from the North at 1 mph, wind puff: out of the NNW to 7 mph, humidity 87%, dew point 40°, current snow level 5000', ot temperatue 47.1°, and the barometric pressure 29.96" and rising. |
| 10/13/2011 |
4:55 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Both the NPJ chart and the GFS model (00z-500hgt winds) show a zonal flow over WA, OR, and ID as well as a weak ridge of high pressure with a flat apex along the WA, ID, and Western MT borders. Later today and through tomorrow, this ridge of high pressure will strengthen to some extent until sometime Friday, when it will be over WA, OR and ID (with the ridge axis in the Eastern third of WA) generating drier and slightly warmer conditions for the day before moving East of the region (WA). A contributor to the current pleasant weather (over this area anyway) appears to be a dry slot moving West to East over the upper two thirds of WA, the Northern panhandle of ID and NW MT. There are indications that by mid-week, relatively strong high pressure will be the dominant feature over the PNW for at least one day (according to the GFS and ECMWF models). Mid afternoon weather for 10/12-scattered Cirrus, Altocumulus (with the largest deck toward the WSW and moving from West to East) and lower level Cumulus on a mostly cloudy afternoon.Temperatures are in the low to mid 60's, BP 29.97"R along with little to no air movement. Current conditions for 10/13-mostly clear skies (except for scattered Cirrus and Cirrostratus from the WSW to the East), light haze, no precipitation in the last 24 (although there was condensation on the gauge), and minimal to light air movement. What air movement there was, came from the WNW to 4 mph, wind gust: out of the NW to 16 mph, humidity 77% (yesterday, it was 87%), dew point 38°, current snow level 6000' [yesterday, it was 5000'], ot temperature 50°, and the barometric pressure 30.02" and rising. |
| 10/14/2011 |
4:55 AM |
T |
0.0 |
M |
0.0 |
M |
Although weak high pressure is currently in place over Southern BC, WA and OR with the ridge axis just off the WA coast, overcast skies and sprinkles in the area are due to a weak system, in a SW flow, riding up the NW side of the weak ridge of high pressure into most of WA (except for the Southern third), Northern ID and NW MT. The UW NW Radar image shows very little precipitation associated with this system although there is a moderate band moving East by NE from the Tacoma/Renton area toward Cashmere, while scattered showers are from Everett/Monroe to Sudden Valley (SE of Bellingham) and on the NE end of the Olympic Peninsula. Mid afternoon weather for 10/13-scattered Cirrus, Cirrostratus (along with an immense halo!) and lower level Cumulus to the SW and North on a mostly cloudy autumn afternoon. Temperatures are in the low to mid 60's, BP 29.95"R along with calm winds. Current conditions for 10/14-overcast skies, at the present time, it is not raining, there is light to moderate haze, and minimal to light wind velocities. They are from the North at 2-4 mph, wind puff: out of the NNW to 8 mph, humidity 72%, dew point 39°, current snow level 6000', ot temperature 54.1°, and the barometric pressure 29.90" and rising. |
| 10/15/2011 |
5:49 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Whereas the GFS, NAM and Canadian 00z models all show a weak ridge of high pressure with a flat apex along the WA, ID, and Western MT boundaries, the ECMWF model shows the same ridge of high pressure (in a negative tilt-to the NW-and its ridge axis in a SE to NW plane well off the WA coast though adjacent to the OR coast) extending into Southern WA and judging by the GOES West Water Vapor image (specifically the water vapor enhancement) it would appear that the EMCWF model is the more accurate of the four. So, it would seem that our "nice weather" is coming from two sources the first of which would be the position of the ridge of high pressure according to the EMCWF model (described above) while the GOES West satellite image shows warmer air moving West to East over the Northern half of WA, the Northern panhandle of ID, and NW MT {second source}. As for the trough, with a SW sag, and the southernmost boundary well off the central Baja, CA coast, all four models (mentioned above) are in agreement to its location and the presence of two upper level lows. The first is located well off the CA coast, circulating in a general SW to NE pattern with the center toward its SE side while the second one, circulating in the same pattern (SW to NE), is well off the coasts of WA and OR with its center in a similar location as the first (Canadian 00z model). Current conditions for 10/15-mostly clear skies (except for scattered Cirrus and Cirrostratus from the SW to the SE as well as scattered lower level Cumulus), light haze, and although there was no precipitation during the overnight, there was heavy condensation on the gauge, and little to light air movement. It is from the WNW at 1-3 mph, wind gust: out of the NW to 10 mph, humidity 89% (yesterday, the reading was 72%), dew point 40°, current snow level 8000' [yesterday, it was 6000'], ot temperature 44.4°, and the barometric pressure 29.90" and falling. |
| 10/16/2011 |
4:57 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 10-15-scattered Cirrus Cirrostratus, and lower level Cumulus on a gorgeous fall afternoon. Temperatures are in the mid to upper 60's, BP 29.90"F along with little to no air movement. Current conditions for 10-16-scattered Cirrus and Cirrostratus that is quite likely associated with "an upper level disturbance moving through Southern WA this morning", light to moderate haze, and although no precipitation was recorded during the overnight, there was condensation on the gauge. As far as "wind" is concerned, it is in the range of minimal to light air movement. This movement is from the North at 1-4 mph, wind gust: out of the NNW to 10 mph, humidity 89%, dew point 40°, current snow level 8000', ot temperature 46°, and the barometric pressure 29.93" and falling. |
| 10/17/2011 |
4:58 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Whereas both the GFS and NAM models show a ridge of high pressure over BC, SE AK, the Queen Charlottes and Vancouver Island with the ridge axis West of though adjacent to the coasts of WA and OR, the ECMWF model is slower in developing this same ride of high pressure by twenty four hours. Indications are however that this ridge will have strengthened by sometime tomorrow as it is now over the PNW ( most of BC and Alberta as well as WA, OR, ID and MT with the ridge axis in Western WA and its apex extending into the SE corner of the Yukon and just past the Northern border of BC into the SW section of the NW Territories) and remain that way through the day with the ridge axis now in central WA. By mid-week, it will be in a NE tilt (though close enough to be influential) with the ridge axis East of WA. Meanwhile, the clouds over the area earlier this morning was associated with a weak disturbance moving quickly East by SE over WA. With the passage of this disturbance, it would seem that clear skies are in the offing {GOES West Longwave and Visible channels and the UW Satellite Loop image}. Current conditions for 10/17-clear skies, light to moderate haze, no precipitation in the past 24, and little to no air movement. What there is comes from the WNW at 0-1 mph, wind gust: out of the NW to 14 mph, humidity 70% (yesterday, the reading was 89%), dew point 35°, current snow level will be rising to 10,000', ot temperature 44.4°, and the barometric pressure 30.16" and rising. |
| 10/18/2011 |
5:17 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although the persistent "stationary upper level low remains off the CA coast" and circulating in a near circular pattern with the center well off the central CA coast, there are indications that sometime today, it will begin to migrate NE, the result of which will yield a SW to NE circulation pattern off the coasts of (though adjacent to) CA to OR with its center well off the coast of Northern CA. Interestingly, this upper level low has been prevented from moving inland into CA the last few days, by a "narrow" surface high pressure with its center just West of Northern Baja, CA and the apex over Western NV. To the NW, more "ridging" is in place over OR and most of WA (except for the Northern and NE portions) with its apex just nudging Southeastern Vancouver Island. It is this "ridge" that will effectively block the the upper level low from moving inland over WA or OR, though by sometime tomorrow, {having weakened considerably} will now be in the form of a trough with the Southeasternmost sag (slight) extending into SW OR and the NW corner of CA (Canadian 00z model). Current conditions for 10/18-clear skies (except for some scattered Cumulus in the NE and East), light to moderate haze, no precipitation in the past 24, and little to no air movement. This air movement is from the North at 0 mph, wind puff: out of the NNW to 9 mph, humidity 78%, dew point 36°, current freezing level 13,500' [yesterday, it was 10,000'], ot temperature 42.3°, and the barometric pressure 30.27" and rising.
|
| 10/19/2011 |
5:24 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although the persistent upper level low that yesterday was off the CA coast circulating in a near circular pattern with the center well off the central CA coast, the NE migration (mentioned yesterday) is underway. The GFS, NAM, and Canadian 00z models all show a trough with its Southernmost sag adjacent to the Bay area in Northern CA and the upper level low centered on the NE side of it near the Southern OR coast near Port Orford. There are indications that this trough will continue its NE trek (sometime later today) into SW OR, with the southernmost sag extending to SW OR on the OR/CA border and the upper level low now reduced to a depression over the Southern OR coast near the Bend/Coos Bay area. Meanwhile, the NE migration of the trough and upper level low resulted in moving the ridge of high pressure (that yesterday was over WA, OR, ID, MT with its apex extending into South Southeastern BC, and SW Alberta) East of the region and is now over ID, MT, WY with its apex now extending into Southern Alberta
and SW Saskatchewan, the ridge axis, also East of the region, is now in Western MT. As far as cold fronts are concerned, the National Maps of the NOAA's National Weather Service model shows a cold front moving East by SE over central BC and NW Vancouver Island. During the next 24-36 hours however, this cold front continues its East by SE advance to the NW portion of the Olympic Peninsula and NW WA. Current conditions for 10/19-clear skies (except for scattered mid-level clouds in the South and from the NE to the SE), light to moderate haze, no precipitation in the last 24 {though there was moderate condensation on the gauge}, and little to no air movement. What there was, came from the WNW at 2-3 mph, wind gust: out of the NW to 10 mph, humidity 86%, dew point 40°, current snow level 8500' [yesterday, it was 13,500'], ot temperature 45.3°, and the barometric pressure 29.85" and falling. |
| 10/20/2011 |
5:15 AM |
0.00 |
0.0 |
M |
0.0 |
M |
With the disturbance/wave moving East of WA (though some remnants are in the NE corner and SE quadrant) into the central panhandle of ID and SW MT, clearing skies behind it seem to be in the offing though will not be of long duration as another wave is already approaching the coasts of WA and OR. Followed by a brief break, is a larger and more robust appearing wave also bearing down on WA and OR. With the absence of high pressure over the area, what is contributing to the present "nice weather"? A very lengthy and narrow band of drier air extends from the SW (NE of HI) to NE (across the Pacific Ocean to NW CA) before turning North and simultaneously moving East across OR and WA seems to present a potential solution to the phrased question above. Mid afternoon weather for 10/19-clear skies (except for widely scattered clouds in the NW) on a simply gorgeous afternoon {this weather may be attributable to the ridge of high pressure not moving as far East as previously thought (or forecast) and therefore remains influential over the area for the time being}. Temperatures are in the upper 60's to low 70's, BP 29.65"R, along with light air movement from the South. Current conditions for 10/20-scattered Cirrus, Cirrostratus and mid level clouds, light haze, no precipitation during the last 24, and little to no air movement. This meager air movement came from the WNW at 0-4 mph, wind gust: out of the NW to 15 mph, humidity 61% (yesterday, the reading was 86%), dew point 41°, current snow level 6500' [yesterday, it was 8500'], ot temperature 55.4°, and the barometric pressure 29.85" and falling. |
| 10/21/2011 |
5:25 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Yesterday, both the GFS and NAM models showed a SW flow over most of BC and WA, whereas this morning, they (the models) continue to show a SW flow just to the coast of BC and from there, it becomes zonal over BC and WA. Because of this flow pattern, it is likely that this area anyway, will remain dry. In addition, the GFS, NAM, Canadian 00z and ECMWF models all show some ridging over the NW coast of BC and SE AK with the apex (in a NW tilt) extending into the SE and SW quadrants of AK and the Yukon respectively. SW of the ridging (mentioned above) is a very broad trough (possessing a "flat" sag and very tight pressure gradients) with an egg-shaped upper level low {bringing a large band of precipitation-moving East by NE-to the Western side of the Olympic Peninsula and SW Vancouver Island-UW NW Radar image}, circulating in a SW to NE pattern from the middle Aleutians to their starting point as well as the Southern half of Kodiak Island. The center of this upper level low is located SW of the island just mentioned. At this point, an occluded front is shown (NOAA Surface Analysis Map) moving North by NE over Kodiak Island and towards the coasts of Southern and SE AK. The warm front portion is moving NE over the Queen Charlottes and approaching the coasts of NW Vancouver Island and WA while the cold front (not a threat to WA or OR at this time) is approaching the West coast of the Queen Charlottes. Current conditions for 10/21-overcast skies, light haze, no precipitation in the last 24, and little to no air movement. What little air motion there is comes from the North at 3-4 mph, wind gust: out of the NNW to 12 mph, humidity 72%, dew point 40°, current snow level 7000', ot temperature 50.5°, and the barometric pressure 29.95" and rising. |
| 10/22/2011 |
5:17 AM |
0.06 |
0.0 |
M |
0.0 |
M |
The amount of precipitation shown above came after the observation time as indicated below. Some minor changes have occurred to the upper level low and trough. Whereas yesterday, the upper level circulation was "closed" and circulating in a general SW to NE pattern from SE of the Aleutians to SW AK and the Bering Sea, it has now become a trough with a SE sag. The discrepancy now is on the size of the upper level low. The GFS model shows a relatively small upper level low just to the SW of Kodiak Island circulating in a SE to NW pattern from SE of the Aleutians to their commencement point with the center located on the "point" just mentioned. However, the NAM and Canadian 00z models both show a larger upper level low circulating in a slight SE to NW pattern from, once again, SE of the Aleutians then extending NW over their starting point and SW Bristol Bay with its center located SW of Kodiak Island. Meanwhile, the NAM, Canadian 00z, and the GOES West (the Longwave and Water Vapor channels) models all show a depression in SE AK just South of the Yukon border. Conditions for 10/22-quite a change from earlier this morning (overcast and precipitation) to partly cloudy skies (all Cumulus), light haze, and little to no air movement. What meager air movement there is came from the East at 0-1 mph, wind puff: out of the ESE to 6 mph, humidity 95%, dew point 46°, { yesterday, the readings were 72% and 40° respectively}, current snow level 7000', ot temperature 46.8°, and the barometric pressure 29.97" and rising. |
| 10/23/2011 |
5:15 AM |
T |
0.0 |
M |
0.0 |
M |
It is not known whether the amount recorded was due to an actual rain event (it was already sprinkling during the observation) or the heavy condensation in the funnel. Mid afternoon weather for 10/22-scattered Cumulus extend from the East to the NE while from the NW to the SW, an increase in cloudiness (also Cumulus) was noticed and were somewhat threatening in appearance on an otherwise very pleasant, though partly sunny autumn afternoon. Temperatures are in the upper 60's to low 70's, along with a light breeze and occasional mild gusts from the SW. Conditions for 10/23-mostly cloudy (Cirrus and Altostratus) with partial clearing from the West to the North, light haze, and little to no air movement. What little movement there is, comes from the North at 2-4 mph, wind gust: out of the NNE to 10 mph, humidity 71%, dew point 39° (yesterday, the readings were 95% and 46° respectively), current snow level 5500' [yesterday, it was 7000'] and the forecast calls for it to continue the downward trend through Monday night when it will bottom out at around 3000'. The ot temperature was 48.2°, and the barometric pressure 29.95" and rising. |
| 10/24/2011 |
5:00 AM |
0.00 |
0.0 |
M |
0.0 |
M |
With no high pressure over WA, and the GFS, NAM and Canadian 00z models actually showing a weak trough with the Southernmost sag on or near the OR/CA border, how is it that Eastern WA, for the most part, is free of clouds? Although there is a relatively large pool of drier air (near the Gulf) moving over the coasts of SE AK, the Queen Charlottes and NW Vancouver Island before turning South along the coasts of SW Vancouver Island, WA, OR and Northern CA, it is not, for the time being, affecting Eastern WA. Meanwhile, a ridge of high pressure has developed in the Eastern and Southern Gulf over the Queen Charlottes and SE AK with its apex extending NW over most of the Yukon and Eastern AK (GFS and NAM models). So, in its present position/location, it is not close enough to WA to be influential. However, there is a broad swath of drier air over WA and most of OR (in a SW to NE diagonal) before narrowing somewhat in width over the panhandle of ID and NW MT. It seems therefore, that the drier air just mentioned would be the main contributor to the current "nice weather" in Eastern WA. Mid afternoon weather for 10/23-scattered clouds (that included a behemoth sized halo, a sun-dog, and several Contrails), Cirrostratus and what appears to be a band of Altocumulus extending from the West to the NE. Temperatures are in the low to mid 60's, BP 29.89"R along with very light air movement from the SE. Current conditions for 10/24-clear skies, light haze, no precipitation in the last 24 (although there was light frost on the roof, dew on the ground and light condensation on the gauge), and light air movement. What there was came from the WNW at 0-2 mph, wind gust: out of the NW to 11 mph, humidity 61%, dew point 32°, current snow level 3500'[yesterday, it was 5500'], ot temperatue 41.9°, and the barometric pressure 29.93" and rising. |
| 10/25/2011 |
5:55 AM |
0.00 |
0.0 |
M |
0.0 |
M |
With high pressure not quite over WA, and both the GFS and NAM models continuing to show a weak trough with a Southwestern sag into Northern CA, the question is, once again, how is it that Eastern WA is cloud free? Since yesterday, the trough has deepened somewhat and its axis (in a SW to NE plane) has now moved from Eastern WA to NW MT and the Northern panhandle of ID. High pressure has strengthened since yesterday (when it was over the Queen Charlottes and SE AK)and simultaneously moved East, and it is this action that more than likely resulted in moving the trough's axis East of the area (WA). This indeed, is a strong ridge of high pressure (in a NE tilt) off the coasts of WA and OR (though close enough to be influential) and extends into the Yukon's SE corner and the SW corner of the NW Territories before turning sharply NW over Eastern AK and the Yukon. In addition, the NOAA National Map chart shows a ridge of high pressure centered over NW WA (Bellingham area) and another one off the coasts of Vancouver Island and WA. It would seem therefore, that the discussion of the high pressure above, and the two high pressure ridges just mentioned are a major factor as to why Eastern WA is cloud free. Current conditions for 10/25-clear skies, no precipitation in the past 24 (though there was frost on the roof, dew on the ground, condensation on the funnel and a thin veneer of ice on the gauge), light haze, and very little air movement. What there is, came from the North at 2-8 mph, wind gust: out of the NNW to 11 mph, humidity 75%, dew point 30°, current snow level 4500' [yesterday, it was 3500'], ot temperature 38.3°, and the barometric pressure 30.21" and rising.
|
| 10/26/2011 |
5:10 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Current conditions for 10/26-from clear, to partly cloudy (this morning), to overcast skies on a very cool and grey afternoon. No precipitation occurred during the overnight, we have moderate haze, and little to no air movement. This air movement came from the WNW at 0-2 mph, wind gust: out of the NW to 12 mph, humidity 81%, dew point 28°, current snow level 4000', observation time temperature 34.1°, and the barometric pressure 30.21" and rising. |
| 10/27/2011 |
5:01 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 10/26-calm winds, mostly overcast, temperatures are in the mid to upper 40's, BP 29.99" and falling. Current conditions for 10/27-clear and cool to start the day (which it was!) but gradually giving way to increasing clouds due to an occluded front which should move through the area late this morning or early afternoon. There has been no precipitation in the past 24 (although there was light frost on the ground and a thicker veneer of ice on the entire gauge), light to moderate haze, and little to no air movement. What movement there was came from the WNW at 1-2 mph, wind puff: out of the NW to 7 mph, humidity 95% (yesterday, the reading was 81%), dew point 32°, current snow level 5500' [yesterday, it was 4000'], observation time temperature 33.6°, and the barometric pressure 30.10" and falling. |
| 10/28/2011 |
5:25 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 10/27-clear skies, temperatures are in the mid to upper 50's along with light air movement from the NW. Current conditions for 10/28-scattered mid level clouds (Altostratus and Altocumulus). A cold front will move swiftly across Western WA and bring with it a good chance of rain and mountain snow to the Cascade crest by sometime this afternoon. There was no precipitation during the overnight, the haze is light to moderate, and there is very little by way of air movement. It is from the WNW at 0 mph, wind puff: out of the NW to 5 mph, humidity 78% {yesterday, the reading was 95%}, dew point 30°, current snow level 6500' [yesterday, it was 5500'], observation time temperature 38.7°, and the barometric pressure 30.04" and rising. |
| 10/29/2011 |
5:04 AM |
0.03 |
0.0 |
M |
0.0 |
M |
The amount of precipitation recorded above, came yesterday, during the time indicated below. Mid afternoon weather for 10/28-scattered Cirrus, Altostratus, Altocumulus and lower level Cumulus. Temperatures are in the low to mid 50's, BP 29.89"F, along with a light breeze from the South. Conditions for 10/29- although a ridge of high pressure will gradually return today through sometime tomorrow, it will be partly to mostly cloudy because of moisture riding up and over the ridge of high pressure mentioned above. Scattered Cirrus and Cirrostratus, light haze, no precipitation during the overnight (though there was light frost on the ground and moderate condensation on the gauge)and very little by way of air movement. What there was came from the East at 2-4 mph, wind puff: out of the ENE to 7 mph, humidity 97%, dew point 37°, (yesterday, the readings were 78% and 30° respectively), current snow level 7500' [yesterday, it was 6500'], observation time temperature 39.9°, and the barometric pressure 29.96" and rising. |
| 10/30/2011 |
5:14 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 10/29-scattered Cirrus and Altocumulus on an otherwise gorgeous autumn afternoon. Temperatures are in the low to mid 60's, BP 30.06"R along with little to no air movement. Current conditions for 10/30-a SW flow is presently over WA and Southern BC, and the ridge of high pressure (now in a NE tilt) has moved East of WA along with the ridge axis that is now in Western MT, SE ID and NW UT. Mostly cloudy (Altocumulus) with partial clearing in the North and East, light to moderate haze, no precipitation in the past 24, and little to no air movement. What there is comes from the West at 1-2 mph, wind gust: out of the WNW to 12 mph, humidity 86%, (yesterday, the reading was 97%), dew point 35°, current snow level will be lowering to 6500' during the day [yesterday, it was 7500'], observation time temperature 38.7°, and the barometric pressure 30.02 and rising. |
| 10/31/2011 |
5:07 AM |
0.00 |
0.0 |
M |
0.0 |
M |
High pressure is firmly in place over the Gulf area with its ridge axis well off the West coast and interestingly, the flow has switched from the SW (yesterday) to the NW (today) over BC and WA. Mid afternoon weather for 10/30-scattered Altocumulus (the largest deck extending from the West to the South) and Cumulus on a coolish, though pleasant autumn afternoon. Temperatures are in the low to mid 50's, BP 29.81"F along with little to no air movement. Conditions for 10/31- scattered clouds(all Cumulus), light haze, no precipitation in the last 24, and little to no air movement. What there is comes from the West at 0 mph, wind gust: out of the WNW to 16 mph, humidity 57%, dew point 29° (yesterday, the readings were 86% and 35° respectively), current snow level 3500' [yesterday, it was lowering to 6500'], observation time temperature 44.1°, and the barometric pressure 29.96" and falling. Some interesting EOM stats for October- 1) total rain: 0.71" {or about 145% of average), 2) number of days with no precipitation: 23, 3) high BP: 30.27" on 10/18, 4) low BP: 29.31" on 10/05, 5) date with low BP and no precipitation: 29.64" on 10/03, 6) date with high BP and precipitation: 30.04" on 10/28 (0.03"), 7) average BP: 29.88", 8) average morning temperature: 47.8°, 9) high temperature: 59.7° on 10/07, and 10) low morning temperature: 33.6° on 10/27. |
| 11/1/2011 |
5:12 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although WA remains in a NW flow, and the ridge of high pressure has shifted East from the Gulf region and is now over most of BC, SE AK, the Queen Charlottes and Vancouver Island, it is not close enough to be influential as of yet. There is however, a surface high (a possible contributor to the nice weather over most of WA) adjacent to the coastal border of WA and OR. Mid afternoon weather for 10/31-scattered Cumulus on a very pleasant autumn afternoon. Temperatures are in the upper 50's to low 60's, BP 30.04"R along with a light breeze from various directions including the West and NW. Current conditions for 11/01-clear skies, light haze, no precipitation in the last 24 and little to no air movement. What there is, comes from the West at 0 mph, wind gust: out of the NNW to 10 mph, humidity 70%, (yesterday, the reading was 57%), dew point 26°, current snow level 4000', observation time temperature 39.6°, and the barometric pressure 30.26" and rising. |
| 11/2/2011 |
5:12 AM |
0.00 |
0.0 |
M |
0.0 |
M |
High pressure has moved a little further East since yesterday and is now over BC, Alberta, WA, OR, ID and Western MT. Interestingly, it is situated between a trough in the Southwestern US and an upper level trough in the Gulf. During the course of the day, this upper level trough will dig South by SE and take up residence just off the WA coast, forcing the high pressure (mentioned above) East over MT. Mid afternoon weather for 11/01-scattered Cirrus (that featured a huge halo!) and Cirrostratus in the SW, and from the West to the NW that gave the "filtered sunshine" effect. Temperatures are in the mid to upper 50's, BP 30.31" and rising along with occasional light air movement from the SW. Current conditions for 11/02-scattered Cirrus and Altocumulus, moderate haze, no precipitation in the last 24 (although there was light condensation on the middle of the gauge and a thin veneer of ice on the funnel and bottom of the gauge), and little to no air movement. What there was came from the East at 0 mph, wind puff: out of the ESE to 4 mph, humidity 82% (yesterday, the reading was 70%), dew point 24°, current snow level 6500' [yesterday, it was 4000'] lowering to 4000' and 3000' by tonight and tomorrow respectively. Observation time temperature 34.2°, and the barometric pressure 30.23" and rising. |
| 11/3/2011 |
5:13 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The upper level trough (with very tight pressure gradients-indicating the presence of strong winds) has moved East by SE to just off the Northern CA coast and is in the process of coming ashore over Western WA and OR as well as NW CA. Mid afternoon weather for 11/02-increasing clouds (Altocumulus and some Altocumulus Undulatus) since earlier this morning, though the South to the SE remains clear, the East is now partly cloudy. Temperatures are in the upper 40's to low 50's, BP 29.81"F along with little to no air movement. Current conditions for 11/03-scattered Cirrus, Cirrostratus and Altocumulus on a mostly cloudy morning. The haze is moderate, no precipitation in the last 24 (the forecast for cold air and the possibility of snow on the lower valley floors today did not materialize in this area anyway), and once again, very little to no air movement. What there was came from the North at 1-2 mph, wind gust: out of the North to 10 mph, humidity 70%, dew point 30° (yesterday, the readings were 82% and 24° respectively), current snow level 2500'[yesterday, it was 4000'], observation time temperature 42.4°, and the barometric pressure 29.65" and falling.
|
| 11/4/2011 |
5:13 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The upper level trough (with very tight pressure gradients) continues its East by SE trek with its southernmost boundary now just off the Southern CA coast. The current nice weather (in this area anyway) is likely due to drier air associated with the upper level trough (mentioned above) as the ridge of high pressure NW of the "trough", is not yet close enough to be affective. Mid afternoon weather for 11/03-scattered Cirrus, Cirrostratus and lower level Cumulus with some Cumulus Congestus over Badger Mountain to the East. Temperatures are in the mid to upper 50's along with light air movement from various directions including the NW and South. Current conditions for 11/04-clear skies, light haze, no precipitation in the last 24 (although there was dew on the ground, condensation on the gauge and a thin veneer of ice on the funnel), and little to no air movement. What little there was, came from the West at 0-1 mph, wind puff: out of the West to 5 mph, humidity 91% (yesterday, the reading was 70%), current snow level 3500' [yesterday, it was 2500'], observation time temperature 33.3°, and the barometric pressure 29.68" and falling. |
| 11/5/2011 |
5:27 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The upper level trough that has been tracked the last few days, finally moved inland with the southernmost sag now extending past SW AZ and Southern CA into Northern Baja, CA. Interestingly, there is a minor trough over WA with its "pointed" sag just reaching the central WA/OR border. There is also weak ridging (along with its ridge axis) just off the coasts of WA and OR with the apex extending just beyond Vancouver Island. Mid afternoon weather for 11/05-scattered Cirrus in the West, Cirrostratus in the NW, and widely scattered Cumulus in the South and SW on a mostly sunny afternoon. Temperatures are in the mid to upper 50's, BP 29.61"F along with a light breeze from the NW. Current conditions for 11/06-scattered Cirrus, Altocumulus and Altocumulus Undulatus on an otherwise mostly sunny morning. The haze is light to moderate, no precipitation in the past 24, and little to no air movement. What there is comes from the WNW at 2-4 mph, wind puff: out of the WNW to 8 mph, humidity 70%, dew point 22° (yesterday, the readings were 91% and 27° respectively), current snow level 2000' [yesterday, it was 3500'], observation time temperature 32.9°, and the barometric pressure 29.66" and falling. |
| 11/6/2011 |
5:02 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Within yet another upper level trough is a lengthy area of drier air moving down the coasts of WA, OR, and Northern CA. From this point South however, the East side of this drier air moved inland with the south easternmost sag extending past the Channel Islands and is approaching both the Santa Catalina and San Clemente Islands. At this point, a surface low accompanied by a cold front near the Oxnard area is moving South by SE toward the latter "islands" mentioned above. Meanwhile, it appears that the NPJ is in a split flow with some of the energy going into Northern BC while the rest is in a NW flow into CA leaving WA and OR fairly high and dry. Mid afternoon weather for 11/05-scattered Cirrus and Cirrostratus on a cool though mostly sunny afternoon. Temperatures are in the upper 40's to low 50's, BP 29.65"F along with light air movement from the SE. Current conditions for 11/06-widely scattered Cirrus, Cirrostratus and Altocumulus on a mostly sunny morning. The haze is moderate, no precipitation in the past 24, and little to no air movement. What there is comes from the North at 2 mph, wind puff: out of the NNW to 7 mph, humidity 78%, dew point 22°, current snow level 3500' [yesterday, it was 2000'], observation time temperature 28°, and the barometric pressure 29.80" and rising. |
| 11/7/2011 |
5:09 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Yesterday's high pressure that extended NE over the Queen Charlottes, the coast range of SW BC and NW Vancouver Island, has moved SE over SW BC, Vancouver Island and WA though weakening in the process. This can be illustrated by a pool of dry air moving East by SE over the Coastal Mountains of BC and the NW half of Vancouver Island and a wave on its (the "dry air" mentioned above) SE side also moving East by SE over SE Vancouver Island and the middle third of WA. Mid afternoon weather for 11/06-scattered Cirrus and Cirrostratus on another cool though mostly sunny afternoon. Temperatures are in the mid to upper 40's, BP 29.87"R along with very light air movement from the SW. Current conditions for 11/07-overcast (thicker Altostratus), no precipitation in the last 24, the haze is moderate to bad, and very little by way of air movement. What air movement there is comes from the East at 0 mph, wind puff: out of the East to 4 mph, humidity 86%, dew point 25°, current freezing level 3000', observation time temperature, 28.2°, and the barometric pressure 30.04" and rising. |
| 11/8/2011 |
5:15 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Since yesterday, a stronger ridge of high pressure (though its ridge axis is just off the coasts of WA and OR) has established itself over most of BC, SE AK, the Queen Charlottes, Vancouver Island, WA and OR. However, an immense wave is approaching the "areas" mentioned above as it rides up the NW side of the ridge of high pressure which is congruous to the GFS model (SW to NE). Mid afternoon weather for 11/07-scattered Cirrus, a very large deck of Altostratus extending from the NE to the SW, and widely scattered lower level Cumulus. Temperatures are in the low to mid 40's, BP 30.04"R along with light air movement from the SE. Current conditions for 11/08-a large deck of Altostratus, in addition to scattered Cirrus and Cirrostratus on a partly sunny morning. No precipitation occurred during the overnight, the haze is bad, and very little by way of air movement (although it has picked-up somewhat in the last few minutes). What there is comes from the East at 1-2 mph, then from the South at 1 mph, wind puff: out of the South to 5 mph, humidity 91%, dew point 26°, current snow level 3500', observation time temperature 30°, and the barometric pressure 30.08" and rising. |
| 11/9/2011 |
5:10 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although high pressure is over most of BC, Alberta, WA and OR, a band of clouds rode up the NW side of the high pressure (this is congruous to the NPJ flow- SW to NE) into WA, Western OR and Northern CA. Meanwhile, a large "system" is moving NE over Vancouver Island and the Queen Charlottes into most of BC (except for the NW and SE sections) and NW Alberta. The NW side of this system {mentioned above}
has a straight edge appearance which suggests the presence of a cold front. Interestingly, one (which is part of an occluded front) extends SW over the Pacific from the SE side of the Queen Charlottes. Mid afternoon weather for 11/08-much improved conditions as most of the clouds of earlier his morning have cleared off, though what remains, are scattered Altocumulus and Cumulus on an otherwise mostly sunny and cool commencement to the second half of autumn. Temperatures are in the mid 40's to low 50's, BP 30.12"R along with little to no air movement. Current conditions for 11/09-overcast skies (Altocumulus), moderate to bad haze, no precipitation in the past 24, and very little by way of air movement. What there is, comes from the West at 1-2 mph, wind puff: out of the WSW to 5 mph, humidity 76%, dew point 33°, (yesterday, the readings were 91% and 26° respectively), current snow level 5500' [yesterday, it was 3500'], observation time temperature 38.8°, and the barometric pressure 30.25" and rising. |
| 11/10/2011 |
5:03 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although high pressure remains over most of BC, Alberta, WA and OR, the larger weather event appears to be an immense closed low, circulating counterclockwise just off the Northern CA coast. Mid afternoon weather for 11/09-a Cirrus overcast with scattered Altocumulus. Temperatures are in the low to mid 50's, BP 30.18"R along with calm "winds". Current conditions for 11/10-scattered Cirrus, Cirrostratus and Altocumulus, moderate to bad haze, no precipitation in the past 24, and very little by way of air movement. What there is, comes from the WNW at 3 mph, wind puff: out of the NW to 9 mph, humidity 91%, (yesterday, the reading was 76%), dew point 31°, current snow level 8000' [yesterday, it was 5500'], observation time temperature 33.8°, and the barometric pressure 30.08" and falling. |
| 11/11/2011 |
5:00 AM |
0.00 |
0.0 |
M |
0.0 |
M |
A shortwave can be seen (on various models) charging SE over Vancouver Island along with much cooler air behind it. A system on its SE side is moving SW to NE over most of the Olympic Peninsula, SE Vancouver Island, NW WA (the Bellingham area), and the Vancouver area {North of the border}. In addition, this system is bringing what appears to be a fair amount of precipitation to the areas mentioned above. Mid afternoon weather for 11/10-scattered Cirrus, Cirrostratus and a few Contrails on a mostly sunny afternoon. Temperatures are in the low to mid 50's along with light air movement from the East. Current conditions for 11/11-overcast (except for a small area of partial clearing in the West), the haze/smoke in the area is very bad, no precipitation in the last 24, and, once again, little to no air movement. What there is, comes from the East at 0-2 mph, wind puff: out of the East to 8 mph, humidity 95%, dew point 29°, current snow level 5000' lowering to 2500' by sometime this afternoon, observation time temperature 33.3°, and the barometric pressure 29.69" and falling. |
| 11/12/2011 |
7:00 AM |
0.02 |
0.0 |
M |
0.0 |
M |
The amount recorded above was yesterday's total and occurred well after the 5AM observation time. A large area of dry air is moving East by SE across the Gulf and SE AK into Northern BC. The result of this action is forcing the clouds on its SE boundary into the Southern climes of BC, most of WA {quite possibly contributing to the overcast in this area} and Western OR. Mid afternoon weather for 11/11-from a mostly sunny afternoon yesterday, to overcast skies and light sprinkles this afternoon with slight partial clearing in the East and from the NW toward the NE. Temperatures are in the low to mid 40's, BP 29.31"F along with light air movement from the South. Current conditions for 11/12-overcast skies (a thick Altostratus), little to no haze {a big improvement over yesterday!}, and very little air movement. What there is comes from the WNW at 3-4 mph, wind gust: out of the NW to 13 mph, humidity 60% (yesterday, the reading was 95%), dew point 26°, current snow level 3000', observation time temperature 40.3°, and the barometric pressure 29.57" and rising. |
| 11/13/2011 |
5:24 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Dry air, a NW flow over WA and wind, have combined to give this area and the Eastern third of WA mostly clear skies; although, the Northern to Southwestern side of Chelan county is overcast, and would therefore appear that this area could see some mid and lower level clouds from time to time. Mid afternoon weather for 11/12-an Altostratus overcast with scattered lower level Cumulus. Temperatures are in the upper 40's to low 50's, BP 29.49"R along with calm "winds". Current conditions for 11/13-partly cloudy skies (Altostratus and Cumulus) on an otherwise mostly sunny morning. There was no precipitation during the overnight, we do have light haze, and minor wind velocities. They are from the WNW at 2-4 mph, wind gust: out of the NW to 21 mph, humidity 39% (yesterday, the reading was 60%) dew point 24° {the latter two readings indicate that the atmosphere has dried out somewhat since yesterday}, current snow level 3000', observation time temperature 48.4°, and the barometric pressure 29.44" and falling. |
| 11/14/2011 |
5:08 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 11/13-mostly overcast with scattered Cumulus and a deck of Cumulonimbus providing precipitation in the form of light snow on or near Mission Ridge to the SW. Temperatures are in the low to mid 50's, BP 29.52"F along with breezy conditions (including occasional gusts from the NW). Current conditions for 11/14-partly cloudy skies (scattered Altostratus, Altocumulus and lower level Cumulus) on a mostly sunny though breezy morning. No precipitation occurred during the overnight, and there appears to be no haze. What wind there is, comes from the West at 6-13 mph, wind gust: out of the WNW to 37 mph {the last time a wind gust with this much velocity occurred on 2/07/11 when it also came from the WNW at 37 mph!}, humidity 66%, dew point 34° (yesterday, the readings were 39% and 24° respectively), current snow level 2000' [yesterday, it was 3000'], observation time temperature 50.4°, and the barometric pressure 29.52" and falling. |
| 11/15/2011 |
5:18 AM |
0.00 |
0.0 |
M |
0.0 |
M |
With the air flow over the Gulf and SE AK being zonal, two waves are quickly moving East across the Gulf and forcing a pool of drier air ahead them over SE AK. Meanwhile, the air flow over SW BC, WA, OR, and CA is from the NW and within this flow pattern is a small pool of dry air moving SE over Vancouver Island and NW WA (the Olympic Peninsula). Mid afternoon weather for 11/14-partly cloudy skies (all Cumulus) on a mostly sunny afternoon. Temperatures are in the low to mid 50's, BP 29.69"R along with lighter wind velocities {since earlier in the day} and occasional gusts from the NW. Current conditions for 11/15-partly cloudy skies (all Cumulus), no precipitation in the last 24, light haze, and little to no air movement. What there is, comes from the West at 3-4 mph, wind puff: out of the East to 6 mph {quite a contrast to yesterday when the velocity was from the WNW at 37 mph!}, humidity 67%, dew point 24° (yesterday, the reading was 34°), current snow level 1500', observation time temperature 31.4° [or 19° cooler than yesterday's reading of 50.4°!], and the barometric pressure 29.92" and rising. |
| 11/16/2011 |
5:07 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Even though snow is forecast to commence here sometime this afternoon, followed by warm and cold fronts respectively, high pressure (in a NW tilt) is in place over most of BC with its ridge axis just off the coasts of WA, OR and Northern CA. There is an upper level low in the Gulf with the center located just South of Southern AK, and WA, OR and Northern CA remain in a NW flow. Mid afternoon weather for 11/15-mostly clear skies except for scattered Cumulus (confined mainly to the mountainous terrain) in the West, SW and South. Temperatures are in the upper 40's to low 50's, BP 30.07"R along with light air movement from the SW. Current conditions for 11/16-an Altostratus overcast with scattered Altocumulus and lower level Cumulus, light haze, no precipitation in the last 24, and little to no air movement. What little air movement there is, comes from the North at 0-2 mph, wind puff: out of the NNW at 9 mph, humidity 72%, dew point 21°, current snow level 2000' rising to 4500'later today (quite possibly due to a warm front forecast to move through the area sometime today), observation time temperature 30°, and the barometric pressure 30.13" and rising. |
| 11/17/2011 |
7:00 AM |
0.00 |
0.0 |
M |
M |
M |
|
| 11/18/2011 |
5:07 AM |
0.00 |
0.0 |
M |
0.5 |
0.19 |
The upper level low continues its Southeastern trek, from just West of the Queen Charlottes to just West of Vancouver Island. At this point, there is low pressure just off the Southcentral side of Vancouver Island with a brief warm front moving NE toward the island just mentioned. This is followed by a cold front moving South by SW over WA from the Olympic Peninsula to the Eastern third of WA (NW of Spokane, WA). Mid afternoon weather for 11/17-other than increasing clouds (very ominous in appearance!) from the West since earlier this morning, the skies are, for the time being, partly cloudy (scattered Altostratus and lower level Cumulus). Temperatures are in the low to mid 40's along with a light breeze from the West. Current conditions for 11/18-partly cloudy (scattered Cirrus, Altocumulus, Cumulus, and patchy fog), light to moderate haze, no precipitation during the last 24, and little to no air movement. What there is, comes from the West at 4-5 mph, wind puff: out of the WNW to 9 mph, humidity 100%, dew point 30°, current snow level is at the surface [yesterday, it was at 2000'], observation time temperature 34.3°, and the barometric pressure 29.40" and falling. |
| 11/19/2011 |
5:02 AM |
0.02 |
0.2 |
0.01 |
0.5 |
0.07 |
The upper level low that had its beginning in the Gulf, is now only a depression near the OR/
CA border. At the same time, there appears to be a shortwave just ahead of it moving East with some of the energy going into Southern OR and the bulk into Northern CA as both Southern OR and CA are in a zonal flow. However, the NPJ has migrated South into Northern CA, leaving most of WA and OR in the "doldrums". Mid afternoon weather for 11/18-partly cloudy skies (scattered Cirrus, Altocumulus, and Cumulus) on an otherwise mostly sunny and cool autumn afternoon. Temperatures are in the low to mid 40's, BP 29.42"R along with light air movement from the West. Current conditions for 11/19-a Stratus overcast with patchy fog, very light snow (possibly "fog snow"), and very little to no air movement. What there is comes from the North at 0-2 mph, wind puff: out of the NNW to 9 mph, humidity 85%, dew point 24° {yesterday, the readings were 100% and 30° respectively}, current snow level is at the surface, observation time temperature 30.4°, and the barometric pressure 29.67" and rising. |
| 11/20/2011 |
5:17 AM |
0.02 |
T |
0.00 |
0.2 |
0.02 |
Although yesterday's second round of snow lasted just over four hours as indicated below, the total accumulation amounted to little more than a trace which melted during the course of the day, then froze during the overnight. Thawing this ice resulted in the amount recorded in the box above. Yesterday's "depression" that was just off the OR/CA border, restrengthened into an upper level low and is moving over the Bay area in CA. This action forces the clouds ahead of it in a Southerly flow across Southern CA, Western NV (near the Northern CA border) and SE OR. Meanwhile, a relatively large wave is moving over the Queen Charlottes, the NW half of Vancouver Island into BC while simultaneously approaching the NW coast of WA. Mid afternoon weather for 11/19-mostly cloudy skies (scattered Altocumulus, Cumulus and patchy fog). Temperatures are in the mid to upper 30's, BP 29.74"R along with slight air movement from the West. Current conditions for 11/20-an Altocumulus overcast with patchy fog, a trace of precipitation (in the form of snow) during the overnight, and very little to no air movement. What there is comes from the West at 1-2 mph, wind puff: out of the WSW to 5 mph, humidity 74%, dew point 21°, current snow level 1500' [yesterday, it was at the surface], observation time temperature 31.3°, and the barometric pressure 29.82" and rising. |
| 11/21/2011 |
5:53 AM |
0.05 |
0.5 |
0.05 |
0.7 |
0.07 |
Even though the current snow event is winding down, a ridge of high pressure (in a NW tilt) is over BC and the SE section of the Yukon with its ridge axis just East of central WA. Meanwhile, an upper level low is in the Gulf region with its center located SE of the Kenai Peninsula. Flowing around the upper level low, is a moderate sized pool of cool, dry air moving East by NE over the Queen Charlottes and the NW half of Vancouver Island into BC. In addition, a system is moving NE over the SE half of Vancouver Island and WA, This is because both BC and WA are in a "short" though steep SW flow. Mid afternoon weather for 11/20-a very grey Stratus overcast with low clouds and fog (above the valley floor). Temperatures are in the low to mid 30's, BP 29.94"R along with the slightest of air movement from the SW. Current conditions for 11/21-a grey, Nimbostratus overcast in the form of very light snow, and minimal air movement. What there is, comes from the West at 2 mph, wind puff: out of the ESE to 5 mph, humidity 98%, dew point 28° (yesterday, the readings were 74% and 21° respectively), current snow level 2500' [yesterday, it was 1500'], observation time temperature 34.3°, and the barometric pressure 29.73" and rising. |
| 11/22/2011 |
7:00 AM |
0.02 |
0.2 |
0.02 |
0.9 |
0.23 |
In addition to the 0.05" recorded earlier yesterday, another trace accumulated in the gauge which later melted that measured 0.02" for a grand total of 0.07". A relatively large though elongated pool of cool, dry air is moving East by NE over the Queen Charlottes and Vancouver Island into BC this morning. Along its SE side, is a moist system moving NE over SE BC, WA, OR and Northern CA. This is because these areas just mentioned, are in a SW flow. Mid afternoon weather for 11/21-mostly cloudy (Altocumulus and patchy fog) with partial clearing to the North and NE. Temperatures are in the mid to upper 30's, BP 29.71"F along with slight air movement from the SE. Current conditions for 11/22-a "filtered sunshine" Altocumulus overcast with widely scattered Cumulus, light haze, and minimal air movement. It is from the WNW at 3-7 mph, wind gust: out of the NW to 13 mph, humidity 93%, dew point 30°, current snow level 4500' rising to 5500' later today, observation time temperature 35.4°, and the barometric pressure 29.44" and falling. |
| 11/23/2011 |
5:17 AM |
0.02 |
0.0 |
M |
0.0 |
M |
The amount recorded above came yesterday, in the early to late afternoon in the form of rain. An upper level low in the Gulf, a long, narrow trough off the CA coast. Within this trough is a large pool of cool, dry air with the Northern half moving East by NE while the Southern half moves SW. Meanwhile, a system is moving East by NE over SE BC, WA, OR, and Northern CA and bringing a fair amount of precipitation to SW, Western, and NW WA {Bellingham region}. NE WA appears to be receiving precipitation in the form of snow/snow showers, while the SE part of the state seems to be receiving rain/rain showers. In between these weather events, drier air extends from Northern (the Oroville vicinity) to SW WA. So, both the Northern half of the "cool, dry air" and the system (mentioned above) are moving East by NE because BC, WA, OR and Northern to central CA are in a SW flow. Mid afternoon weather for 11/22-a Nimbostratus overcast (including low clouds and fog) in the form of light rain. Temperatures are in the upper 30's to low 40's, BP 29.54"F along with calm winds. Current conditions for 11/23-an Altostratus overcast and a Cumulus cloud deck toward the East and from the North to the South while from the West toward the SW there is partial clearing. No precipitation in the past 24, and we have light haze and slight air movement at the present time. What there was, came from the WNW at 5-10 mph, wind gust: out of the NW to 19 mph, humidity 80%, dew point 37° {yesterday, the readings were 93% and 30° respectively}, current snow level 5000' lowering to 4000' later today, observation time temperature 39.5°, and the barometric pressure 29.31" and falling. Have a happy Thanksgiving everyone! |
| 11/25/2011 |
5:09 AM |
0.07 |
0.0 |
M |
0.0 |
M |
The amount recorded above was a combination of light sprinkles during yesterday afternoon and a more steady precipitation during the later evening hours as indicated below. Although there is no high pressure over this area, or one close enough to be influential, the mostly clear skies then, appear to be a result of cooler, drier air in place over this area anyway. However, a ridge of high pressure is commencing to build off the coasts of WA, OR, and Northern CA and will be over the West coast by tomorrow and part of Sunday before moving East of the region. Mid afternoon weather for 11/24-a Nimbostratus overcast in the form of light sprinkles in the valley, and light snow on the higher peaks and ridges around the valley. Temperatures are in the low to mid 40's, BP 29.51"R along with calm winds. Current conditions for 11/25-clear skies, light haze, and light wind velocities. They are from the North at 4-6 mph, wind gust: out of the North to 18 mph, humidity 64% (yesterday, the reading was 88%), dew point 28°, current snow level 1500', observation time temperature 38.7°, and the barometric pressure 29.86" and rising. |
| 11/26/2011 |
5:10 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Two predominate weather events take center stage this morning. A very deep, elongated and narrow trough (moving East) extends from the Gulf with its slight South westernmost sag comparable to central Baja, CA. The other, a main system, is moving around the SE side of this trough (or up and over the ridge of high pressure currently over the West coast) and over the Queen Charlottes into central and Northern BC while the rest of it moves over Vancouver Island into SW BC, WA, OR and Northern CA. Mid afternoon weather for 11/25-clear skies, except for a few scattered mid level clouds in the West. Quite a contrast to yesterday's Nimbostratus overcast! Temperatures are in the upper 40's to low 50's, BP 30.22"R (or, an increase of 0.71" since yesterday at this time), along with a light breeze from the North and NW. Current conditions for 11/26-mostly cloudy skies (Cirrus-including an immense halo!, Cirrostratus and scattered Altocumulus), light to moderate haze, no precipitation during the past 24, and very little by way of air movement. What there is, came from the WNW at 0 mph, wind puff: out of the NW to 6 mph, humidity 79% {yesterday, the reading was 64%}, dew point 29°, current snow level 6000'[ yesterday, it was 1500'], observation time temperature 38.1°, and the barometric pressure 30.35" and rising. |
| 11/27/2011 |
5:44 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Yesterday's ridge of high pressure that was over the West coast, has moved East of the region (along with its ridge axis) and is now in a NE tilt. Yesterday's system, however, moved SE from the Queen Charlottes and is now in a steep SW flow over the SE half of Vancouver Island (from this point, a cold front-moving SE- extends SW over the ocean. This, more than likely is giving the NW side of the system its "knife-edge" appearance) SW to NE BC, and Northern Alberta as well as WA {and bringing rain/rain showers to Western WA, SE Vancouver Island, NW WA -the Bellingham area}, OR [showers in the NW part of the state], and Northern CA. Mid afternoon weather for 11/26-mostly cloudy skies (Cirrus, Altostratus Duplicatus, and scattered lower level Cumulus). Temperatures are in the low to mid 40's, BP 30.25"R along with calm winds. Current conditions for 11/27-overcast (part Altostratus and Altocumulus as well as scattered lower level Cumulus), no precipitation during the overnight, light to moderate haze, and very little air movement. The meager movement is from the North at 3-5 mph, wind puff: out of the NNE to 9 mph, humidity 94% (yesterday, the reading was 79%), dew point 28°, current snow level 6000', observation time temperature 32.5°, and the barometric pressure 29.99" and falling. |
| 11/28/2011 |
5:22 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Whereas a new system is moving East by NE over the Queen Charlottes, Vancouver Island and into central and Southwestern BC as well as most of WA ( except for the Southern third), yesterday's system (with a "knife-edge" and a steep SW flow over SE Vancouver Island into SW to NE BC, as well as WA, OR, and Northern CA) has shifted SE and is now over SE OR, most of CA, NV and Southern ID. Between these two systems, there appears to be a dry swath extending NE to SW across NE to Southwestern OR and Northwestern CA before trailing over the ocean in a SW direction. Mid afternoon weather for 11/27-mostly cloudy skies with some partial clearing (scattered Cirrus, some Altostratus, lower level Cumulus and Nimbostratus in the form of light snow on or near Mission Ridge to the SW). Temperatures are in the low to mid 40's, BP 29.87"F along with light air movement from the NW. Current conditions for 11/28-scattered Cirrus, Cirrostratus, and Altocumulus on a mostly sunny morning. No precipitation during the last 24, light to moderate haze and little to no air movement. What there is, comes from the West at 1-3 mph, wind gust: out of the WNW to 12 mph, humidity 73% (yesterday, the reading was 94%), dew point 30°, current snow level 3500' [yesterday, it was 6000'], observation time temperature 36.5°, and the barometric pressure 30.19" and rising.
|
| 11/29/2011 |
5:48 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although a weak and somewhat flat ridge is over WA, the bigger event is an upper level low (with relatively tight pressure gradients for its size, a Southern sag just off the WA/OR border and not much precipitation associated with it) moving East toward the central BC coast between the Queen Charlottes and Vancouver Island, forcing the clouds associated with it over most of BC (except for the Northern tier) and WA (except for the Southwestern area). High pressure is in the process of building, and should be over the area (WA) toward the end of the work week. Mid afternoon weather for 11/28-scattered Cirrus, Cirrostratus, and Altocumulus on an otherwise mostly sunny autumn afternoon. Temperatures are in the low to mid 50's (or, about ten degrees warmer than yesterday at this time), BP 30.21"R along with some air movement from the SW. Current conditions for 11/29-scattered Cirrus, Cirrostratus, Altostratus and Altocumulus on an otherwise mostly sunny morning. No precipitation during the past 24, light to moderate haze, and very little to no air movement. What there is comes from the WNW at 1-2 mph, wind puff: out of the NW to 6 mph, humidity 83% (yesterday, the reading was 73%), dew point 31°, current snow level 4000', observation time temperature 36.9°, and the barometric pressure 30.21" and rising. |
| 11/30/2011 |
5:00 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 11/29-mostly cloudy (Altocumulus), temperatures are in the low to mid 40's (the opposite of yesterday, as the temperatures were in the low to mid 50's!), BP 29.98"F along with calm winds. Current conditions for 11/30-clear skies, light to moderate haze, no precipitation in the last 24 ( there was light frost on the ground and around the gauge) and little to no air movement (although it has begun to pick-up in the last few minutes). What air movement there is, comes from the West at 2-5 mph, wind gust: out of the WNW to 11 mph, humidity 90%, dew point 31°, current snow level 3000' {yesterday, it was at 4000'}, observation time temperature 33.6°, and the barometric pressure 30.13" and rising. Here are some interesting EOM stats for November- 1) total rain/snow: 0.53" (or, about 39% of average), 2) number of days with no precipitation: 24, 3) high BP: 30.35" on 11/26, 4) low BP: 29.31" on 11/23, 5) date with low BP and no precipitation: 29.31" on 11/23, 6) date with high BP and precipitation: 30.16" on 11/16 {0.33"}, 7) average BP: 29.84", 8) average morning temperature: 35.6°, 9) high morning temperature: 50.4° on 11/14, and 10) low morning temperature: 28° on 11/06. |
| 12/1/2011 |
5:13 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 12/01-clear skies, temperatures are in the upper 40's to low 50's along with a light breeze mainly from the North, but also from the West and NW. In addition, the forecast that called for low clouds, fog, and breezy conditions for 11/29 and 11/30 respectively, did not materialize in this area anyway. Current conditions for 12/01-mostly clear skies, light to moderate haze, no precipitation during the past 24, and very little by way of air movement. What there is, comes from the North at 0-3 mph, wind gust: out of the NNW to 13 mph, humidity 78%, dew point 25° (yesterday, the readings were 90% and 31° respectively), current snow level 6000' [yesterday, it was 3000'], observation time temperature 30.2°, and the barometric pressure 30.61" and rising. Here are some interesting stats for November- 1) total rain/snow: 0.53" (or 39% of average), 2) number of days with no precipitation: 24, 3) high BP: 30.35" on 11/26, 4) low BP: 29.31" on 11/23, 5) date with low BP and no precipitation: 29.31" on 11/23, 6) date with high BP and precipitation: 30.16" on 11/16 { 0.33"}, 7) average BP: 29.84", 8) average morning temperature: 35.6°, 9) high morning temperature: 50.4° on 11/14, and 10) low morning temperature: 28° on 11/06. |
| 12/2/2011 |
5:12 AM |
0.00 |
0.0 |
M |
0.0 |
M |
After looking at four different models, three of them do not indicate high pressure over this region (WA) at all except for one. High pressure (located off the Southern OR coast) extends East over Western ID, WA, OR, and Northern CA. Interestingly however, another model shows a relatively large trough moving East by SE with its Southern boundary extending past the Bay area with drier air clearly visible in ID, NW NV, Eastern WA and OR as well as Northern CA. Hmmm! Indications are that high pressure (currently building in the Gulf) will continue to strengthen and affect our weather early next week. Mid afternoon weather for 12/01-a basic Altostratus Duplicatus overcast with scattered Altostratus and Altocumulus. Temperatures are in the upper 30's to low 40's, BP 30.29"F along with calm winds. Current conditions for 12/02-clear skies, light to moderate haze, no precipitation in the past 24 and light air movement. What there is, comes from the North at 0-3 mph, wind gust: out of the North to 26 mph, humidity 83%, dew point 27°, current snow level 2000' [yesterday, it was 6000'], observation time temperature 37.9°, and the barometric pressure 30.11" and falling.
|
| 12/3/2011 |
5:58 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although high pressure is over the Gulf with the apex in a NW tilt just off the West coast of AK, the flow becomes zonal over Southern AK, NW over BC and the Southern half of the Yukon, and finally, a Northerly flow over WA, OR and Northern CA. The flow appears to be from the NW later today through sometime tomorrow before resuming a Northerly flow as high pressure moves over the area (WA) early in the week. Mid afternoon weather for 12/02-clear skies (except for scattered mid level clouds-Altostratus-in the Western and Southwestern skyline), temperatures are in the upper 40's to low 50's, BP 30.16"F along with light air movement from the NW. Current conditions for 12/13-clearing skies since earlier this morning, light to moderate haze, no precipitation in the past 24, and very little air movement. What there is comes from the North at 0-1 mph, wind gust: out of the NNW to 13 mph, humidity 65%, dew point 21° {yesterday, the readings were 83% and 27° respectively}, current snow level 4000' [yesterday, it was 2000'], observation time temperature 30.7°, and the barometric pressure 30.22" and rising. |
| 12/4/2011 |
5:05 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Since yesterday, the ridge of high pressure (that was in the Gulf region) has strengthened considerably over the Gulf, AK and the Yukon with its apex in a NW tilt over the Arctic Ocean just North of Northern AK and the ridge axis West of Vancouver Island, WA and OR, the result of which, leaves WA and OR in a NW flow for the time being. Even though this ridge of high pressure is still not yet "over" WA, there is an area of high pressure West of Vancouver Island and another one over the Prince George region both of which, may be contributing to the beautiful weather over WA. Mid afternoon weather for 12/03-scattered Cirrus and Cirrostratus on an otherwise mostly sunny late autumn afternoon. Temperatures are in the low to mid 40's, BP 30.14" and rising along with calm winds. Current conditions for 12/04-a few scattered Cumulus to the East and SE, light to moderate haze, no inversion has occurred over this area so far, no precipitation during the past 24, and very little by way of air movement. What there is comes from the South at 2-5 mph, wind puff: out of the SSW to 8 mph, humidity 86% (yesterday, the reading was 65%), dew point 27°, current snow level 4500', observation time temperature 30.7°, and the barometric pressure 30.29" and rising. |
| 12/5/2011 |
5:33 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Even though strong high pressure remains firmly in place, a few changes have occurred to it since yesterday. The first being it has moved East of AK and is now over most of the NW Territories (with its apex over the Beaufort Sea and Victoria Island), BC, Alberta, WA and OR. The second change, the Southern two thirds of this ridge is in a NE tilt while the Northern third maintains a relatively nice arc. In addition, the flow is currently from the North over WA, OR, and Northern CA. As if this high pressure is not enough, there is high pressure West of Vancouver Island, another over the Williams Lake area in BC, and still another over SW MT near the WY border. Mid afternoon weather for 12/04-scattered Cirrus mainly in the West, NW, and from the North to the NE on an otherwise mostly clear and sunny autumn afternoon. Temperatures are in the mid to upper 40's, BP 30.08"R along with slight air movement from the South. Current conditions for 12/05-scattered Cirrus on a mostly clear and sunny morning, light to moderate haze, no precipitation during the past 24, and very little to no air movement. What there is, comes from the South at 0-1 mph, wind puff: out of the SSE to 5 mph, humidity 79%, dew point 23°, current snow level 5500' [ yesterday, it was 4500'], observation time temperature 27.5°, and the barometric pressure 30.36" and rising. |
| 12/6/2011 |
5:18 AM |
0.00 |
0.0 |
M |
0.0 |
M |
A few changes have occurred to yesterday's strong ridge of high pressure that was over most of the Yukon, all of the NW Territories, BC, Alberta and WA with its apex over the Beaufort Sea and Victoria Island. The upper portion of this ridge has shifted well East of the region mentioned above while the rest of it is in a severe NE tilt and at the same time appears to be weakening. There are indications that it will continue to do so as the day progresses and by tomorrow, this region (WA) should be in a NW flow as yet another ridge of high pressure (currently developing and strengthening over the Gulf region) could be over the area (WA) during the latter part of the work week. Mid afternoon weather for 12/05-a small area of Altocumulus to the NW in addition to scattered Cirrus and Cirrostratus which gives the "filtered sunshine" effect. Temperatures are in the upper 30's to low 40's, BP 30.27"R along with light air movement from the South. Current conditions for 12/06-areas of fog under mostly sunny skies, no precipitation in the past 24, moderate haze, and very little, if any air movement. What there is comes from the West at 0-1 mph, wind puff: out of the West to 3 mph, humidity 88%, dew point 23°, freezing level 11,000' [yesterday, it was at 5500'], observation time temperatue 26.4°, and the barometric pressure 30.23" and falling.
|
| 12/7/2011 |
5:18 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Yesterday's high pressure that was over WA, OR, ID, and MT, has shifted SE of the region (WA) and is no longer affecting our weather. The flow pattern that yesterday was zonal over Northern BC, is now from the NW over the entire province as well as WA and should remain so until early tomorrow at which point high pressure (currently over the Gulf region) will move over the PNW through the beginning of the week-end when it will be in the process of breaking down. So, the nice weather over WA seems to be the result of persistent high pressure parked West of Vancouver Island. Mid afternoon weather for 12/06-clear skies (quite a contrast to earlier in the day when we had a fog overcast), temperatures are in the upper 30's to low 40's, BP 30.17"F along with calm winds. Current conditions for 12/07-clear skies (except for some patchy fog to the NW), the haze is moderate to bad, and although it was partly cloudy earlier this morning, the inversion (that was forecast to commence this morning) did not materialize, and there is little to no air movement. What there is, comes from the WNW at 2-3 mph, wind puff: out of the NW to 4 mph, humidity 96%, dew point 23°, current snow level is lowering to 3500' [yesterday, it was 11,000'], observation time temperature 25.9°, and the barometric pressure 30.22" and falling. |
| 12/8/2011 |
5:11 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Since yesterday, WA remains in a NW flow, high pressure is now at the surface and aloft with the apex of the upper level ridge over the Beaufort Sea, the Yukon, most of AK, the NW section of the NW Territories and its axis near SE AK and the Queen Charlottes. Mid afternoon weather for 12/07-scattered Altocumulus, a long sheet of Altostratus extends from the SW to the South near the horizon, with another smaller sheet of the same cloud type to the East on an otherwise mostly clear, cool, sunny autumn afternoon. Temperatures are in the upper 30's to low 40's, BP 30.20"F along with calm winds. Current conditions for 12/08-"socked-in" with low clouds and fog (could this event be an inversion due to warmer air aloft and cooler air trapped near the surface?), and although no precipitation occurred during the past 24, light frost was on the ground and on the South side of the gauge. In addition, there is very little by way of air movement. What there is, comes from the West at 0-2 mph, wind puff: out of the WSW to 5 mph, humidity 94%, dew point 27°, observation time temperature 29.1°, and the barometric pressure 30.22" and falling. |
| 12/9/2011 |
5:17 AM |
0.00 |
0.0 |
M |
0.0 |
M |
With high pressure over the PNW, the closest weather event is a system moving East by SE over SE AK, the Queen Charlottes into Northern BC and Alberta. In addition, there is a surface low in the SW part of the Yukon, and from this point, a cold front is moving East by SE across the part of the Yukon just mentioned, extreme NW BC, SE AK, and is relatively adjacent to the NW coast of the Queen Charlottes. There are indications that this cold front will be affecting our weather later in the week-end as high pressure begins to break down thereby allowing a few "waves" over the region (WA). Mid afternoon weather for 12/08-although fog still remains the dominating feature, some partial clearing was observed this afternoon and eventually became mostly clear by early evening. Temperatures are in the upper 20's to low 30's along with calm winds. Current conditions for 12/09-a foggy, low cloud overcast ("socked-in" for the second consecutive morning), the haze/pollutants is bad, no precipitation in the past 24, and very little by way of air movement. What there is comes from the South at 0-1 mph, wind puff: out of the SSE to 5 mph, humidity 92%, dew point 26°, current snow level 9000' [yesterday, it was 6500'}, observation time temperature 30.6°, and the barometric pressure 30.32"and falling. |
| 12/10/2011 |
5:08 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Yesterday's low pressure that was located in the SW part of the Yukon and its corresponding cold front that was moving East by SE over the Southern Yukon, extreme NW BC, SE AK and adjacent to the NW coast of the Queen Charlottes, has moved SE into NW BC with the corresponding cold front moving East by SE, but now over the interior of Northern BC, SW BC and the NW tip of Vancouver Island. There are indications that it will be affecting our weather sometime tomorrow. Meanwhile, between the weaker ridge of high pressure currently over WA, and a trough off the coast of BC, a weak system in a SW to NE pattern is moving over Vancouver Island, from SW to NE BC and into Northern Alberta. Mid afternoon weather for 12/09-although the area remains in low clouds and fog, it did lift somewhat, thereby allowing the sun to make a brief appearance! Temperatures are in the upper 20's to low 30's, BP 30.29"R along with slight air movement from the South and SE. Current conditions for 12/10-low clouds and fog overcast (interestingly, Douglas and Lincoln counties South to the WA/OR border appear to be "socked in" as well), the haze/pollutants are bad, no precipitation during the past 24, and, once again, very little by way of air movement. What there is, comes from the West at 1-2 mph, wind puff: out of the WNW to 9 mph, humidity 92%, dew point 22°, current freezing level 5500' (except on the surface at pass levels-yesterday, it was at 9000'), observation time temperature 29.8°, and the barometric pressure 30.06" and falling.
|
| 12/11/2011 |
5:58 AM |
0.00 |
0.0 |
M |
0.0 |
M |
With no cold front over WA, there is however, a narrow trough moving East by SE with its NE side over NW WA thereby giving the clouds moving East from NW OR to NE WA (as both OR and WA are in a SW flow) a "knife edge" appearance. These "clouds" are associated with some energy over Southern BC and SW Alberta, with a portion of it extending South into Western MT. Meanwhile, even though strong high pressure is over the Gulf region (and moving East), with its apex extending beyond NW AK, there are indications that when it arrives over WA {by sometime tomorrow}, it will have weakened considerably and be of short duration. Mid afternoon weather for 12/10-continued low clouds and fog. Temperatures are in the upper 20's to low 30's, BP 29.97"F, along with some air movement from the South. Current conditions for 12/11-no improvement since yesterday with the low clouds and fog, no precipitation in the past 24, the haze/pollutants is bad, and very little by way of air movement. What there is, comes from the East at 1 mph, wind gust: out of the ESE to 10 mph, humidity 90%, dew point 23°, current snow level 1000' [yesterday, it was 5500'], observation time temperature 30.4°, and the barometric pressure 29.95" and falling. |
| 12/12/2011 |
5:58 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although the ridge of high pressure is not directly over WA but close enough to be influential, it has weakened somewhat since yesterday, and has a NE tilt. On the opposite end of the scale, a trough that yesterday, was off the coasts of WA, OR and Northern
CA has deepened considerably and is now off the Southern CA coast with an upper level low over the Bay area. Meanwhile, a system in a SW to NE plane is moving over SE AK, the Queen Charlottes, Vancouver Island into BC (except for the Southern and Southeastern sections as surface high pressure is over the Jasper area in the Canadian Rockies and the Kamloops region to the South) because the flow pattern over BC is from the SW. Mid afternoon weather for 12/11-the West was the only area where the low clouds and flog lifted above the foothills and higher mountains to reveal a mid level overcast (Altocumulus) though the sun still remained completely obscured. Temperatures are in the upper 20's to low 30's, BP 29.96"F along with little to no air movement. Current conditions for 12/12-WOW! clear skies (except for some patchy fog to the NW), no precipitation in the past 24, moderate haze (an improvement over yesterday!), along with light air movement. What there is, comes from the WNW at 2-4 mph, wind puff: out of the NW to 9 mph, humidity 95%, dew point 19°, current snow level 2000' [yesterday, it was 1000'], observation time temperature 22.5°, and the barometric pressure 30.11" and falling. |
| 12/13/2011 |
6:08 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The current flow pattern is zonal as it approaches BC, then becomes SW OVER the province. Two waves are moving over most of BC from the SW to NE (except for the Northern and Southeastern portions) with another approaching the West coast of the Queen Charlottes thereby conforming to the flow pattern mentioned above. Although there is no upper level high pressure over the region (WA), there are indications that a series of high pressure ridges will be affecting the region (WA) every one to three days, a few of which should remain over the region for the same time frame just mentioned with the first arriving sometime tomorrow. Mid afternoon weather for 12/12-other than a few scattered clouds in the East and to the North, we have clear skies. Temperatures are in the low to mid 30's, BP 30.22"R along with some air movement from the West. Current conditions for 12/13-continued low clouds and fog although there is partial clearing to the SW, and fog has lifted above the foothills and ridges in the SW and South. No precipitation has occurred in the past 24, the haze is moderate to bad, and there is light air movement. What there is, comes from the East at 1-2 mph, wind puff: out of the ENE to 9 mph, humidity 87%, dew point 20°, current snow level 4000' [except at the surface in the passes-yesterday, it was 2000'], observation time temperature 27.7°, and the barometric pressure 30.04" and rising. |
| 12/14/2011 |
5:48 AM |
T |
0.0 |
M |
0.0 |
M |
Although no upper level ridge of high pressure is over the region (WA) as of yet, high pressure is over the Gulf region, will steadily move East as the day progresses (currently just off the coast of BC with its ridge axis near the coasts of SE AK, the Queen Charlottes and BC) and be over our area (WA) sometime today. Meanwhile, a weak wave is moving over the coasts of WA and OR, followed by what appears to be a stronger one moving over SE AK, and the Queen Charlottes into North central BC while the Southern part of it is moving over Vancouver Island into central and SW BC. From this point, energy extends from SW BC to SE WA which is congruous to the NPJ flow pattern over WA (NW to SE). Mid afternoon weather for 12/13-some improvement since earlier this morning when the area was "socked-in" with some partial clearing in the West to reveal some Altocumulus, and fog has lifted somewhat to the North, but was above the foothills and higher ridges in the SW and South. Temperatures are in the upper 20's to low 30's, BP 29.98"F along with little to no air movement. Current conditions for 12/14-a grey Stratus overcast, the haze is moderate to bad, and very little by way of air movement. What there is comes from the West at 0-2 mph, wind puff: out of the ENE to 3 mph, humidity 86%, dew point 20°, current snow level 3500', observation time temperature 28.6°, and the barometric pressure 30.06" and falling. |
| 12/15/2011 |
5:14 AM |
T |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 12/14-no change with the Stratus overcast since earlier this morning. Temperatures are in the upper 20's to low 30's, BP 30.07"R along with slight air movement from the SW. Current conditions for 12/15-widely scattered clouds with patchy fog to the North on an otherwise mostly sunny and cool late autumn morning (only seven days until the first day of winter!), moderate haze and very little by way of air movement. What there is comes from the North at 1-3 mph, wind puff: out of the NNW to 5 mph, humidity 87%, dew point 22°, current snow level 3000' {this will change as the forecast calls for the level to be around 10,000 to 10,500' at the beginning of the week-end as high pressure will be over the region-WA}, observation time temperature 29.1°, and the barometric pressure 30.06" and rising. |
| 12/16/2011 |
6:08 AM |
0.00 |
0.0 |
M |
0.0 |
M |
A system similar to a "pineapple express" with its origin North by NE of HI extends NE across the ocean and is moving over SE AK, the Queen Charlottes and Vancouver Island (as it rides up and over the ridge of high pressure currently over the PNW), into North central and SW BC (with some of this energy extending South into central WA). The high pressure (mentioned above) is at the surface (located off the Northern CA coast) and aloft which will serve to amplify the inversion over this area anyway. There are indications that high pressure ridges will be affecting our region (WA) every one to three days between now and the end of the month with a few of these remaining over the area four to five days. Mid afternoon weather for 12/15-scattered clouds near the Western and Southwestern horizons and a relatively large area of Altocumulus from the South to SE and to the NW on an otherwise sunny afternoon. Temperatures are in the mid to upper 30's along with calm winds. Current conditions for 12/16-overcast with low clouds and fog (although the foothills and lower peaks are visible), no precipitation in the past 24, the haze is moderate to bad, and very little by way of air movement. What there is comes from the South at 0 mph, wind puff: out of the SSE to 3 mph, humidity 84%, dew point 26°, current snow level 7500' [yesterday, it was 3000'], observation time temperature 33.3°, and the barometric pressure 30.36" and rising. |
| 12/17/2011 |
5:15 AM |
0.00 |
0.0 |
M |
0.0 |
M |
High pressure is currently over the PNW with the center just off the coast of Northern CA (near the Eureka area). However, as the day progresses, this ridge of high pressure should begin to weaken, simultaneously move East, and be out of the region by sometime tomorrow with high pressure returning early next week. Meanwhile, a system is moving over the Queen Charlottes, the NW half of Vancouver Island into North central and Northeastern BC, and Northern Alberta. In SE BC, there is a moderate sized bit of energy with some of it extending South into Northern Ferry county. Mid afternoon weather for 12/16-no change since earlier in the day with the low clouds and fog. Temperatures are in the mid to upper 30's, BP 30.34"R along with slight air movement. Current conditions for 12/17-a Stratus overcast, the haze continues to be moderate to bad, no precipitation in the last 24 (interestingly, from July through November, three months were below average in precipitation totals with one month not receiving any precipitation at all-August), and very little by way of air movement. What there is comes from the South at 0 mph, wind puff: out of the SSW to 5 mph, humidity 84%, dew point 28°, current snow level 8500' [yesterday, it was 7500'], observation time temperature 35.6°, and the barometric pressure 30.28" and rising. |
| 12/18/2011 |
5:22 AM |
T |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 12/17-the Stratus overcast continues. Temperatures are in the mid to upper 30's, BP 30.15"F along with very little to no air movement. Current conditions for 12/18-a Stratus overcast (except for partial clearing in the NW), the haze continues to be moderate to bad, along with little to no air movement. What there is, comes from the West at 0-2 mph, wind puff: out of the WNW to 8 mph, humidity 90%, dew point 28°, current snow level 4000' [yesterday, it was 8500'], observation time temperature 34.7°, and the barometric pressure 29.96" and falling. |
| 12/19/2011 |
5:44 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although high pressure is over BC, Alberta, ID, and WA (with its ridge axis West and NW of WA), it has weakened somewhat since yesterday, but should remain over the area (WA) through tomorrow at which time it should continue to break down. However, there are indications that high pressure of brief duration should arrive over WA by sometime Thursday, with a stronger one to follow by the Christmas week-end. Meanwhile, a system is riding up the NW side of the ridge over SE AK and the Queen Charlottes into Northern BC before turning SE over NW and SW Alberta. Mid afternoon weather for 12/18-quite an improvement from a Stratus overcast (earlier this morning) to partly cloudy skies (mostly Altocumulus and a lengthy band of Altostratus from the SW to the SE). Temperatures are in the upper 30's to low 40's, BP 30.08"F along with slight air movement from the NW. Current conditions for 12/19-low clouds and fog (yet another inversion), no precipitation in the past 24 {the three month outlook calls for below normal temperatures and above normal precipitation from December through February. Of the 49 days-30 in November and the first 19 in December-43 have been without measurable precipitation}, along with some light air movement. What there is, comes from the East at 6-10 mph, wind gust: out of the East to 16 mph, humidity 100%, dew point 26°, current snow level 5500' [yesterday, it was 4000'], observation time temperature 31.1°, and the barometric pressure 31.26" and rising. |
| 12/20/2011 |
5:09 AM |
0.00 |
0.0 |
M |
0.0 |
M |
High pressure has weakened considerably since yesterday (though strong enough to maintain the inversion over this area anyway) and is now nearly in a horizontal plane over WA, OR, ID and Western MT. The weakening process is expected to continue as the day progresses. Meanwhile, the flow pattern approaching the coast of BC is from the SW with slight ridging over the interior before turning SE over Alberta and Saskatchewan. Mid afternoon weather for 12/19-thick low clouds and fog (inversion), temperatures are in the low to mid 30's, BP 30.26"R along with slight air movement from the West. Current conditions for 12/20-continued low clouds and fog although the "overcast" has become brighter to the South, the haze is bad, no precipitation in the past 24, and very little to no air movement. What there is, comes from the East at 0-2 mph, wind puff: out of the East to 7 mph, humidity 91%, dew point 25°, current snow level 4000' [ yesterday, it was 5500'], observation time temperature 31.1°, and the barometric pressure 30.13" and falling. |
| 12/21/2011 |
5:22 AM |
0.00 |
0.0 |
M |
0.0 |
M |
From weak ridging over the area yesterday to high pressure at the surface (located off the WA coast) and aloft today with its axis off the coasts of WA and OR. Quite a contrast in just 24 hours! This high pressure should remain over the area (WA) until sometime during the end of the work week. However, there are indications that high pressure should be over the region (WA) for the Christmas week-end. Meanwhile, a wave is "struggling" to move East as the West end of it is being pushed/lifted toward the Gulf while the East end is being forced down (SE) over the NW part of Vancouver Island because of a "finger" of drier air flowing West of and over most of the Queen Charlottes to SW BC (just North of the island just mentioned). Mid afternoon weather for 12/20-mostly clear skies (except for some scattered Cumulus, Altostratus and patchy fog from the North to the NW) in contrast to thick low clouds and fog earlier this morning. Temperatures are in the mid to upper 30's, BP 29.98"F along with calm winds. Current conditions for 12/21-clear skies, light haze (quite an improvement compared to yesterday!), no precipitation in the last 24, and minimal air movement. What there is, comes from the West at 0-2 mph, wind gust: out of the WNW to 12 mph, humidity 79% (yesterday, it was 91%), dew point 26°, current snow level 1500' {yesterday, it was 4000'}, observation time temperature 29.3°, and the barometric pressure 30.16" and rising.
|
| 12/22/2011 |
5:28 AM |
0.00 |
0.0 |
M |
0.0 |
M |
For the first day of winter, high pressure should remain over the area today and part of tomorrow at which time it will be in the process of breaking down and simultaneously moving East. As a result, the flow pattern over WA turns to a brief zonal flow as high pressure builds over the region (WA) for Christmas Eve and part of Christmas day. Mid afternoon weather for 12/21-clear skies, temperatures are in the upper 30's to low 40's, BP 30.26"R along with slight air movement from the West. Current conditions for 12/22-clear skies (except for some scattered Cirrus to the NE), no precipitation during the overnight, the haze is moderate, and little to no air movement. What little there is, comes from the South at 0 mph, wind puff: out of the SSW to 5 mph, humidity 96%, dew point 19° ( yesterday, the readings were 79% and 26° respectively), current snow level 3500' [yesterday, it was 1500'], observation time temperature 22.6°, and the barometric pressure 30.41" and rising. |
| 12/23/2011 |
5:23 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although yesterday's ridge of high pressure has moved East of WA (with its axis in Northeastern to Southern MT-just clipping NW WY), it remains close enough to be influential. Another ridge is building over the coast of BC and should be over the area (WA) for Christmas Eve and some of Christmas Day before moving East of the region. Meanwhile, a system is moving East by NE over SE AK, the Queen Charlottes and the NW half of Vancouver Island into BC and in the process affected a system moving East by SE over Eastern WA, Eastern OR and Northern CA though simultaneously appears to be weakening with the direction it is taking described above. Mid afternoon weather for 12/22-clear skies, temperatures are in the low to mid 30's, BP 30.37"R along with slight air movement from the SW. Current conditions for 12/23-scattered Cirrus, Cirrostratus, Cumulus, and patchy fog. There was frost on the ground earlier this morning, the haze is moderate, no precipitation in the last 24, and very little to no air movement. It comes from the WNW at 1-2 mph, wind gust: out of the NW to 12 mph, humidity 87%, dew point 17°, current snow level 3000', observation time temperature 24.4°, and the barometric pressure 30.34" and rising. |
| 12/24/2011 |
5:23 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Currently, a system is moving East by NE over the Queen Charlottes and Vancouver Island into North central and Southern BC with some of this energy sliding over NW WA (the Northern half of the Olympic Peninsula and the Bellingham area), with a large band of precipitation over the first area mentioned above from Neah Bay to Sequim, and another from the Ashford area to Vancouver BC. Less intense bands are over NE and SE WA. Interestingly, high pressure is currently over BC, WA, ID, and OR and should remain over the area (WA) for the rest of today and part of Christmas Day before moving East of the region. Mid afternoon weather for 12/23-a partly to mostly sunny afternoon due to scattered Cirrus, Cirrostratus (that included a mammoth sized halo and a few Contrails), some Altocumulus to the NW and lower level Cumulus above the Western to Southern horizon. Temperatures are in the low to mid 30's, BP 32.42"R along with occasional light air movement from both the SW and West. Current conditions for 12/24-mostly overcast (Altostratus/Altocumulus) though with partial clearing to the NW, the haze is moderate to bad, no precipitation in the past 24 and almost no air movement at all. What little there is, comes from the East at 0 mph, wind puff: out of the ESE to 4 mph, humidity 88%, dew point 21°, current snow level 5000' [yesterday, it was 3000'], observation time temperature 25°, and the barometric pressure 30.42" and rising. Next report on 12/27 and Merry Christmas everyone! |
| 12/27/2011 |
5:24 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 12/26-overcast (a thicker Altostratus overcast with scattered Altostratus or more commonly known as Altostratus Duplicatus), temperatures are in the upper 30's to low 40's, BP 30.15"R along with slight air movement from the North and NW. Current conditions for 12/27-scattered Cirrus, Cirrostratus and lower level Cumulus on an otherwise mostly sunny winter morning. the haze is bad, no precipitation in the past 24, and little by way of air movement. What there is, comes from the East at 0-2 mph, wind puff: out of the East to 7 mph, humidity 95% (yesterday, it was 76%), dew point 27°, current snow level 3500" [yesterday, it was 2000'], observation time temperature 31.6°, and the barometric pressure 29.95" and falling.
|
| 12/28/2011 |
5:40 AM |
0.21 |
0.0 |
M |
0.0 |
M |
Although the amount of precipitation recorded in the box above occured yesterday, I was not able to record accurately the time or duration of this weather event. A few models show high pressure over BC, Alberta and part of Saskatchewan, though only slight ridging over WA, OR and ID. Its ridge axis has moved well East from yesterday's location (off the coasts of WA, OR and CA) to NW MT, ID, extreme Eastern NV and Southern CA. Meanwhile, a system is moving East by NE over the Western third of WA and OR with some of this energy moving East over the Northern tier of OR and the Southern third of WA. In addition, it is sporting a large band of precipitation from the Eugene, OR area North to the Olympia/Tacoma region, and, from West of Seaside, OR to Goldendale, WA. Mid afternoon weather for 12/27-a low Stratus overcast (it apparently stopped raining a little while ago as we were out of town when this weather event took place), temperatures are in the mid to upper 30's, BP 29.87"F along with the slightest of air movement from the SW. Current conditions for 12/28-overcast (Altostratus with scattered lower level Cumulus), the haze is light (a big improvement over yesterday as it was bad!), along with some air movement. What there is, comes from the East at 4 mph, wind gust: out of the East to 29 mph, humidity 100%, dew point 34°, current snow level 5500' (yesterday, it was 3500'), observation time temperature 35.6°, and the barometric pressure 29.62" and falling. |
| 12/30/2011 |
6:30 AM |
0.14 |
0.0 |
M |
0.0 |
M |
I was not able to make a report on 12/28; however, the precipitation total for that day was 0.26". The amount shown above, was recorded on 12/29. Yesterday's weak ridge over Southern BC, WA and OR (with its axis just nudging the coasts of WA, OR and NW CA), has moved east of (WA) and is now over Southern Saskatchewan, MT and WY, with a NE tilt, and its axis in extreme Eastern MT and Western WY. Indications are however, that strong high pressure will return to the area on New Year's Eve and remain over the area through early in the work-week. Mid afternoon weather for 12/29-an Altostratus overcast, some Altocumulus directly overhead, and Nimbostratus in the form of snow over Mission Ridge to the SW. Temperatures are in the mid to upper 40's, BP 29.75"R along with slight air movement from the South. Current conditions for 12/30-mostly sunny (except for some scattered Altocumulus and Cumulus from the SW to the SE, light haze, and very little air movement. What there is, comes from the North at 0-2 mph, wind gust: out of the NNW to 12 mph, humidity 89% (yesterday, the reading was 69%), dew point 34°, current snow level 3000', observation time temperature 37.4°, and the barometric pressure 29.44" and falling. |
| 12/31/2011 |
5:34 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 12/30-mostly clear skies (except for a large street of Altostratus from the SW to the SE, and lower level Cumulus over the Southwestern and Southern horizon). Temperatures are in the mid to upper 40's, BP 29.54"F along with some air movement from the North. However, in the last half hour, an increase in wind velocity and cloudiness has been noted. Current conditions for 12/31-mostly cloudy skies (Altostratus with some partial clearing), virga was also observed, light haze, no precipitation in the past 24, and very little air movement. What there is comes from the WNW at 2-3 mph, wind puff: out of the NW to 9 mph, humidity 72%, dew point 24° {yesterday, the readings were 89% and 34° respectively}, current snow level 1000', observation time temperature 34.2°, and the barometric pressure 30.13" and rising. Here are some interesting EOM stats for December- 1) total precipitation: 0.61" (or 40% of average), 1a) total precipitation from JAN through DEC: 8.42", 1b) average precipitation from JAN through DEC: 9.12", 2) number of days without measurable precipitation: 28, 3) high BP: 30.61" on 12/01, 4) low BP: 29.44" on 12/30, 5) date with low BP and no precipitation: same as 4), 6) date with high BP and precipitation: 29.95" on 12/27 ( 0.21"), 7) average BP: 30.14", 7a) average BP from JAN through DEC: 29.93", 8) average morning temperature: 30.6°, 8a) average morning temperature from JAN through DEC: 46.6°, 8b) the actual average morning temperature from JAN through DEC: 52°, 9) high morning temperature: 45.9° on 12/29, and 10) low morning temperature 22.5° on 12/12. Happy New Year everybody! Go ZAGS and DOGS!! |
| 1/2/2012 |
5:43 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Yesterday's ridge of high pressure was directly over the PNW (BC, WA, and OR) including the ridge axis, however, there are some signs of it beginning to move East as the axis is now in Western MT though it (the ridge of high pressure) remains close enough to be affective. There are indications that another ridge of high pressure should arrive over the area (WA) sometime tomorrow and last through mid-week. Meanwhile, a trough just off the OR coast is moving NE toward NW OR and the clouds associated with it are moving East by NE over Western NV, Eastern OR, SE to NW WA and Vancouver Island before turning NE from SW to extreme NE BC. Mid afternoon weather for 1/01-an Altostratus overcast, scattered Altocumulus, and a layer of fog from the SW to the South. Temperatures are in the upper 30's to low 40's, BP 30.36"R along with calm winds. Current conditions for 1/02-an Altostratus Duplicatus overcast, patchy fog, no precipitation in the past 24, light haze, and little to no air movement. What there is, comes from the WNW at 2-3 mph, wind puff: out of the NW to 9 mph, humidity 95%, dew point 25°, current snow level 5500' rising to 7000' this afternoon, observation time temperature 28.6°, and the barometric pressure 30.13" and falling. |
| 1/3/2012 |
6:14 AM |
T |
0.0 |
M |
0.0 |
M |
The amount of precipitation shown above, occurred late last evening (1/02/12). Even though this area is besieged by low clouds and fog, high pressure is firmly in place over BC, Alberta, WA, OR and should remain over the area through sometime tomorrow at which time it will begin to break down and move East. This should be the last one until the week-end when high pressure will, once again, be in place over the region (WA). Meanwhile, a system is moving East by NE over the Queen Charlottes and Vancouver Island into central and SW BC with some of this energy extending South over NW and extreme NE WA. Mid afternoon weather for 1/02-scattered Altostratus, Altocumulus, Cumulus, and a layer of fog to the East near Badger Mountain. Temperatures are in the low to mid 30's, BP 29.96"F along with some air movement from the NW. Current conditions for 1/03-low clouds and fog, with very little to no air movement. What there is, comes from the West at 1-2 mph, wind puff: out of the WNW to 7 mph, humidity 100%, dew point 26°, current snow level 3000' rising to 5000' later this afternoon, observation time temperature 26.1°, and the barometric pressure 30.19" and rising. |
| 1/4/2012 |
5:51 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Even though we are besieged by low clouds and fog for a second consecutive day, high pressure, currently over BC, Alberta, WA, ID and OR, should remain over the regions (just mentioned) through sometime today before it begins to break down and move East. Meanwhile, a system (with "pineapple express" like characteristics) is moving East by NE across the Pacific and over Vancouver Island into SW BC, then across Southern and SE BC toward the Canadian Rockies (Jasper area). Some of its energy has extended SE into WA from Pacific to NW Okanogan counties. Interestingly, one model shows the possibility of heavy snow in SW BC, the Jasper area and NW Okanogan county. Mid afternoon weather for 1/03-from low clouds and fog earlier this morning, to a mix of Altocumulus and Altostratus along with a small area of Altostratus Duplicatus and patchy fog to the East near Badger Mountain. Temperatures are in the mid to upper 30's, BP 30.19"R along with light air movement coming first from the East then switching to the NW. Current conditions for 1/04-continued low clouds and fog, though with some partial clearing in the West and directly overhead, the haze is moderate, no precipitation in the past 24, and very little by way of air movement. What there is, comes from the WNW at 0 mph, wind puff: out of the NW to 7 mph, humidity 97%, dew point 32°, current snow level 6500'[yesterday, it was 3000' then rose to 5000' later in the afternoon], observation time temperature 34.3°, and the barometric pressure 30.11" and rising. |
| 1/5/2012 |
5:11 AM |
T |
0.0 |
M |
0.0 |
M |
A swath of drier, cooler air moving East by SE, is approaching SE AK and the Queen Charlottes before turning East over Vancouver Island and most of WA. From this point, one model shows a cold front moving East by SE over NW MT, ID, SE OR, NW NV, and Northern CA. Ahead of this front a system (yesterday's system that had "pineapple express" characteristics) is moving SE (and appearing to weaken in the process) over the locales just mentioned above with the possibility of heavy snow near the Missoula region. Meanwhile, a depression has moved over Vancouver Island into SW BC with some of its energy extending into NW WA. Another model shows the possibility of heavy snow in SW BC and NW WA (quite possibly the Northern Cascades). Mid afternoon weather for 1/04-even though fog remains over the area, it appears to be thinning out overhead as blue sky is just discernible through the veil of clouds. In addition, there was a brief period of partial clearing to the East and NE. Temperatures are in the upper 30's to low 40's, BP 29.96"F along with calm winds. Current conditions for 1/05-from dense fog earlier this morning to a rather pleasant morning with partly cloudy skies (all Cumulus), the haze is light to moderate, along with light air movement. It is coming from the North at 3-4 mph, wind gust: out of the NNE to 17 mph, humidity 92%, dew point 31°, current snow level 3000' [ yesterday, it was 6500'], observation time temperature 35.2°, and the barometric pressure 29.96" and falling. |
| 1/6/2012 |
5:14 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Currently, a system is moving East over extreme Northern CA, OR, and WA (from the Vancouver area to NW Okanogan county before extending North into Southern BC). Followed by a brief break is what appears to be a stronger wave, also moving East, over Vancouver Island, central and Southwestern BC as it approaches the coasts of WA and OR. The agent responsible for the Eastward movement of these two "disturbances" (mentioned above) appears to be a trough just West of the Queen Charlottes moving East by NE toward SE AK. Meanwhile, high pressure (with a NW tilt over the West coast of BC and its apex extending into the Yukon's Southern portion) is in the process of building over BC and WA and should be firmly in place over the regions just mentioned later today through sometime early next week. Mid afternoon weather for 1/05-partly to mostly cloudy skies (Cumulus) with a relatively large deck of the same cloud type approaching the area from the West and NW. Temperatures are in the upper 40's to low 50's on a very pleasant "spring afternoon" this second week of winter. BP 30.06"R along with light air movement coming first from the West then switching to the NW. Current conditions for 1/06-scattered mid and high level clouds, no precipitation in the past 24, the haze is light to moderate, and, once again, very little air movement. What there is, comes from the WNW at 0-4 mph, wind gust: out of the NW to 14 mph, humidity 65%, dew point 25° (yesterday, the readings were 92% and 31° respectively), current snow level 1500'[ yesterday it was 3000'], observation time temperature 35.2°, and the barometric pressure 29.96" and falling. |
| 1/7/2012 |
5:59 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Even though this area is experiencing a mid level overcast, high pressure appears to be both at the surface (over Southern BC, and most of WA and OR with its center located near The Dalles/Hood River region) and aloft. This high pressure has strengthened considerably since yesterday as it is now over BC, WA, ID and OR, with its axis just off the coasts of WA and OR. Meanwhile, a system is moving basically NE (and slowly East) over most of the Yukon, the extreme Western part of the NW Territories, NE AK, and the Queen Charlottes before turning SE across Vancouver Island and SW BC with some of this energy extending South into WA. Mid afternoon weather for 1/06-except for scattered Altocumulus and a light partial clearing to the East, we have a predominate and thicker Altostratus overcast. Temperatures are in the upper 30's to low 40's, BP 30.06"R along with light air movement from the South. Current conditions for 1/07-an Altostratus overcast, no precipitation during the past 24, moderate haze, and very little air movement. What there is, comes from the East at 0-2 mph, wind puff: out of the ENE to 4 mph, humidity 92% (yesterday, it was 65%), dew point 27°, current snow level 2000', observation time temperature 28.6°, and the barometric pressure 30.21" and rising. |
| 1/8/2012 |
5:06 AM |
0.00 |
0.0 |
M |
0.0 |
M |
High pressure currently over BC, Alberta, WA, OR, ID and MT, is beginning to show signs of "weakening" as it has begun to flatten somewhat since yesterday; although, it should remain over the area (WA) through sometime tomorrow. Meanwhile, two models show very dry air along the entire West coast of the US and what appears to be a return flow of this dry air over Western WA and OR. A combination of surface high pressure (located off the coast of Southern CA-the San Luis Obispo) region) and the ridge of high pressure mentioned above may account for this return flow. Immediately NW of the return flow, a system is moving East by NE over the Southern part of the Queen Charlottes and NW Vancouver Island into central and NW BC. Some energy over WA extends from extreme SE WA to the Spokane area, then NW to Okanogan, most of Ferry and Stevens counties before extending North into Southern BC. Mid afternoon weather for 1/07-a thick Altostratus overcast (with a very ominous appearance) and scattered patchy fog, temperatures are in the mid to upper 30's, BP 30.26"R along with some air movement coming from the NW then quickly shifting from the North. Current conditions for 1/08-partly cloudy skies (scattered Cirrus and Altocumulus), no precipitation in the last 24, the haze is moderate to bad, and very little by way of air movement. What there is, comes from the East at 0-1 mph, wind puff: out of the East to 4 mph, humidity 95%, dew point 27°, current snow level 4500' rising to 7500' this afternoon, observation time temperature 34.3°, and the barometric pressure 30.23" and rising. |
| 1/9/2012 |
5:28 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Even though this area is experiencing what appears to be a low Stratus overcast, high pressure will still prevail over the area (WA) through sometime today though it is in the process of moving East as its ridge axis is now in Western MT. However, another ridge of high pressure is building in the Gulf region and should arrive over the area (WA) by mid-week. Meanwhile, a system is moving East by NE over Vancouver Island into Southwestern BC while the clouds associated to it are also moving NE over extreme Western OR and WA. In addition, a thin rain band (moving East) extends from the mouth of the Columbia River to the Sultan/Monroe area, then over the foothills of the Cascades East of the Everett area. Mid afternoon weather for 1/08-scattered Cirrus (to the East)and Altocumulus on an otherwise mostly sunny afternoon with temperatures in the upper 30's to low 40's, BP 30.26"R along with light air movement from the NNW. Current conditions for 1/09-overcast (low clouds and fog), no precipitation in the last 24, the haze is moderate to bad, and very little to no air movement. What there is, comes from the North at 0 mph, wind puff: out of the NNW to 6 mph, humidity 87%, dew point 31°, current snow level 5500' [yesterday, it was 7500'], observation time temperature 36.3°, and the barometric pressure 30.15" and rising. |
| 1/10/2012 |
5:53 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Yesterday's system that was moving East by NE over Vancouver Island into SW BC, has moved East by SE from this area (WA) and now extends SW to NE over Northern CA, SE OR, the Southern panhandle of ID and from Southwestern to North central MT. Interestingly, there is low pressure over the latter locale, and from this point a cold front is moving SE over SW MT, the Southern panhandle of ID, SE OR, and Northern CA. In addition, a relatively short swath of dry air is also moving SE over SE WA and the Northern panhandle of ID as well as from SW to NE OR. This is followed by more humid air moving over WA from the NW. Mid afternoon weather for 1/09-since earlier in the day, not much change has occurred to the low clouds and fog over the valley. Temperatures are in the upper 30's to low 40's, BP 30.04"F along with light air movement first from the East, then from the South. Current conditions for 1/10-clear skies, no precipitation in the past 24, the haze is light to moderate, along with light air movement. It is from the West at 5-7 mph, wind gust: out of the WNW to 13 mph, humidity 47%, dew point 21° (yesterday, the readings were 87% and 31° respectively), current snow level 3000' [yesterday, it was 5500'], observation time temperature 37.3°, and the barometric pressure 30.04" and falling. |
| 1/11/2012 |
5:13 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The ridge of high pressure (that was building in the Gulf region) has since moved East and strengthened considerably since yesterday as it is not only over the PNW (BC, WA, ID and OR) but also most of AK, the NW Territories and all of the Yukon with its apex extending well beyond beyond the Arctic Circle over the Beaufort Sea and the Southern coasts of Banks and Victoria Islands! Although most of the "weather" appears to be over Northern and Northwestern BC, part of a system is moving NE over the Southern Queen Charlottes while the NW portion is approaching SE AK. Meanwhile, some weak energy extends SE over the Strait of Georgia, extreme Western Whatcom and Skagit counties and from most of King county to the Vancouver, WA area. Mid afternoon weather for 1/10-other than scattered Cirrus from the SW to the North, the skies are mostly clear on a rather pleasant though coolish winter afternoon. Temperatures are in the upper 30's to low 40's, BP 30.26"R along with a light breeze mainly from the North but occasionally from the NW and NE. Current conditions for 1/11-from clear skies earlier this morning to partly cloudy skies (scattered Cirrus and Cirrostratus), no precipitation in the past 24, the haze is light to moderate, along with very little by way of air movement. What there is, comes from the West at 0-1 mph, wind puff: out of the WNW to 7 mph, humidity 73%, dew point 15° ( yesterday, the readings were 47% and 21° respectively), current snow level 3500' rising to 4500' later this afternoon, observation time temperature 24.6°, and the barometric pressure 30.49" and rising. |
| 1/12/2012 |
5:05 AM |
0.00 |
0.0 |
M |
0.0 |
M |
High pressure is now at the surface (with its center located off the coast of extreme Northern CA) and aloft. This upper level ridge has strengthened a little more since yesterday, as its apex now extends well beyond the Arctic Circle over the Beaufort Sea as well as the Banks and Victoria Islands! Meanwhile, low pressure (just West of the Glacier Bay Nat'l Park region), is moving NE toward extreme NW BC and the Yukon. From this point, a cold front is moving East by SE approaching the coasts of SE AK and the Queen Charlottes before trailing SW over the Pacific. Another "system" is moving from the SW to the NE over the Queen Charlottes into central and North central BC, continuing across BC before turning sharply SE over Western and Southwestern Alberta. In addition, some of this energy moved over NW Vancouver Island into SW BC and Western WA ((Whatcom to King counties). Mid afternoon weather for 1/11-partly cloudy skies (scattered Cirrus and Cirrostratus-in the NW and from the SW to the SE [complete with a sun-dog sighting to the South]), temperatures are in the low to mid 30's BP 30.40"R along with light air movement from the NW though occasionally from the NE and South. Current conditions for 1/12-overcast (Cirrostratus), no precipitation in the past 24, light to moderate haze, and very little by way of air movement. What there is, comes from the North at 1-2 mph, wind puff: out of the NNW to 7 mph, humidity 81%, dew point 14°, current snow level 4500' rising to 5500' this afternoon, observation time temperature 23.6°, and the barometric pressure 30.40" and rising. |
| 1/13/2012 |
5:04 AM |
0.00 |
0.0 |
M |
0.0 |
M |
An upper level trough (and a moderate sized pool of cooler, drier air associated with it) is over the Gulf with its center located over the Kenai Peninsula. Immediately to the SE a "system" is moving NE {or around the SE side of the "cooler, drier air" mentioned above} over the Queen Charlottes into North central BC before turning SE over the BC/Alberta border into NW MT while at the same time some weaker energy (associated with the "system") is moving East by NE toward Vancouver Island and over Western WA. Meanwhile, the strong ridge of high pressure appears to have weakened considerably since yesterday as it is in a NE tilt and in the process of breaking down though still remaining influential over WA. Mid afternoon weather for 1/12-from a Cirrostratus overcast earlier in the day to an Altostratus overcast with temperatures in the upper 20's to low 30's, calm winds and the BP 30.31"F. Current conditions for 1/13-mostly cloudy (a small area of Cirrus toward the West, a large deck of Altocumulus, some Altocumulus Undulatus to the East and NE and what appears to be a small street of Altostratus from the North to the NE), no precipitation in the last 24, moderate haze, and very little by way of air movement. What little there is, comes from the NNW at 0-1 mph, wind puff: out of the NW to 6 mph, humidity 83%, dew point 16°, current snow level is near 5500', observation time temperature 21°, and the barometric pressure 30.22" and falling. |
| 1/14/2012 |
5:31 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The upper level trough that yesterday was over the Kenai Peninsula of AK, has since moved SE over most of SE AK, the Queen Charlottes, the central and South western coastline of BC and NW Vancouver Island. In addition, the pressure gradients are very tight indicating the presence of strong winds. Associated with this upper level low, is a moderate sized pool of cooler, drier air moving SE over the areas mentioned above before turning NE over SE Vancouver Island and NW WA. Meanwhile, one model shows low pressure over the Queen Charlottes and another one over the coastal mountains of SW BC. From this point, what appears to be a fast moving cold front is moving East by SE over SW BC, NW to SW WA and NW OR with heavy snow expected in the Cascades and Olympics. Mid afternoon weather for 1/13-mostly cloudy (scattered Cirrus, Cirrostratus, and a street of Altocumulus from the SW to the South). Temperatures are in the upper 20's to low 30's, BP 30.15"F along with slight air movement from the NW. Current conditions for 1/14-mostly cloudy (low clouds from the North to the East although Cumulus clouds were also observed above the low clouds), no precipitation during the last 24, the haze is moderate to bad, and very little by way of air movement. What there is, comes from the North at 0-2 mph, wind puff: out of the NNW to 7 mph, humidity 85%, dew point 19°, current snow level 4500' lowering to 1500' later this afternoon, observation time temperature 26.8°, and the barometric pressure 29.82" and falling. |
| 1/15/2012 |
5:15 AM |
T |
0.0 |
M |
0.0 |
M |
The trace amount recorded yesterday (1/14/12) is shown in the "duration information" below. Yesterday's upper level low that was over most of SE AK, the Queen Charlottes, Southwestern to Northwestern BC and NW Vancouver Island, continued its SE movement near the coasts of SW Vancouver Island and Northern CA while at the same time bringing scattered precipitation to, and moving East over Western WA and NW OR. In addition, it appears to have weakened somewhat in the process to a low pressure with its center located over Vancouver Island. Meanwhile, there is a surface low over Southern ID and from this point a cold front is moving SE over Southern and SW ID, NW NV and Northern CA then trailing South over the Pacific. Ahead of the cold front, a system appears to be moving slowly to the SE over Western (near the Tahoe area) to Northeastern NV, Southeastern and Western ID into NW WY {the Yellowstone/Grand Tetons region where one model shows the possibility of heavy snow}. Mid afternoon weather for 1/14-from light snow earlier in the afternoon, to partly cloudy skies (all Cumulus) with ominous appearing clouds to the NW. Temperatures are in the upper 20's to low 30's, BP 29.65"F along with slight air movement from the SW. Current conditions for 1/15-partly cloudy {scattered Cirrus and a large deck of Altostratus from the SW to the SE}, no precipitation in the last 24, light to moderate haze, and very little by way of air movement. What there is, comes from the NNW at 2-4 mph, wind puff: out of the NW to 9 mph, humidity 92%, dew point 18°, current snow level is at the surface, observation time temperature 21.9°, and the barometric pressure 29.80" and rising. |
| 1/16/2012 |
5:14 AM |
0.01 |
0.1 |
0.01 |
0.1 |
0.01 |
The amount recorded in the gauge occurred sometime last evening. The upper level trough has shifted East over WA and OR with its Southernmost boundary extending into North central CA. One model shows low pressure just off the NW coast of WA and indications are that it should remain in this position through mid-week. In addition, heavy snow is a possibility in the Olympics and Cascades of WA. Associated with this low pressure is a relatively large pool of cooler, drier air with the northern half moving East by SE over Western WA and NW OR while the southern half is moving in a Southerly direction over the Pacific though adjacent to the CA coast. Meanwhile, a disturbance is moving SE over Vancouver Island into NW and North central WA. Mid afternoon weather for 1/15-mostly cloudy (scattered Cirrus and ominous appearing Cumulonimbus with the precipitation type in the form of light snow on Birch Mountain to the North, Badger Mountain to the NE and Mission Ridge to the SW). Temperatures are in the low to mid 30's, BP 29.80"F along with slight air movement from the SW. Current conditions for 1/16-mostly cloudy (in addition to low clouds and fog, other cloud types include scattered Cirrus, Cirrostratus and Cumulus. The haze is moderate, a thin veneer of ice was on the gauge and, once again, very little by way of air movement. What there is, comes from the NNE at 0-1 mph, wind puff: out of the NE to 6 mph, humidity 94%, dew point 18°, current snow level is at the surface, observation time temperature 21.2°, and the barometric pressure 29.90" and rising. |
| 1/17/2012 |
5:16 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Energy continues to flow over Western WA and NW OR as low pressure remains "parked" off the NW coast of WA, with the former area mentioned above appearing to receive a mix of freezing rain/snow while further inland it is all snow especially over the Olympics and Cascades of WA. Behind this energy, a narrow, lengthy river of drier air extends SE from the inner Aleutians over the ocean, OR, NE NV and Northern UT. Meanwhile, a system is moving East over Southern BC and Alberta as well as SW Saskatchewan, most of WA, ID and NW MT. Mid afternoon weather for 1/16-from low clouds and fog earlier in the day to a mostly cloudy afternoon (cumulus) with light precipitation in the form of snow near the summit of Birch Mountain to the North and Mission Ridge to the SW. In addition, somewhat threatening looking "clouds" have begun to move over the area. Temperatures are in the upper 20's to low 30's, BP 29.84"R along with slight air movement from the SE. Current conditions for 1/17-a thick Altostratus overcast, light to moderate haze, no precipitation in the last 24, and light air movement. These light wind velocities are from the East at 6-9 mph, wind gust: out of the WNW to 10 mph, humidity 94%, dew point 22°, current snow level is at the surface, observation time temperature 24.4°, and the barometric pressure 29.65" and falling. |
| 1/18/2012 |
5:46 AM |
4.05 |
4.5 |
M |
4.5 |
M |
Although the accumulation of new snow has reached 4.5" (as of the last measurement), the melted value information was not evaluated because it is still snowing. One model shows a system in a SW flow moving East by SE over the Southern provinces of BC and Alberta, WA, OR, ID and most of MT. In addition, a cold front is moving South by SW over extreme Northern WY, SW MT, the Northern panhandle of ID and extreme Southern WA before finally trailing SW over the Pacific. Interestingly, there is the possibility of heavy snow for WA, OR, ID, most of MT, extreme Northern and Western WY, Northern UT and NV and NW CA. Since the flow is from the SW, how come the precipitation is not in the form of rain? High pressure is over the central region of BC and is forcing/funneling dry arctic air into the NW. As a result of the warmer air from the SW clashing with the colder, drier arctic air over the area, heavy snow is a distinct possibility. However, if the arctic air was not over the area, then the precipitation would more than likely be in the form of rain. Mid afternoon weather for 1/17-from intermittent snow showers around the noon hour to overcast conditions (except for some partial clearing from the East to the SE). In addition, light snow is falling near the summit of Birch Mountain to the North. Temperatures are in the low to mid 30's, BP 29.59"F along with light air movement from the NW with an occasional gust from the NE. Current conditions for 1/18-a Nimbostratus overcast with the precipitation in the form of SNOW! along with light air movement. What there is, comes from the South at 0-3 mph, wind puff: out of the SSW to 6 mph, humidity 96%, dew point 16°, current snow level is at the surface rising to 1000' later this afternoon, observation time temperature 21°, and the barometric pressure 29.76" and rising. |
| 1/19/2012 |
5:22 AM |
0.55 |
7.2 |
0.55 |
7.2 |
0.55 |
Yesterday"s updated snow totals are shown below and the 4.05" given for the "melted snow" was incorrect. The total should have been 0.39", plus an additional 0.16" for a grand total of 0.55". A narrow river of drier, cooler air is moving East by NE in the form of a "trough" with its Eastern side commencing to move over the coasts of SW WA and NW OR. As a result, it is forcing a system ahead ahead of it East by SE over central to Northern CA, the NW sector of NV, OR, WA, most of ID and the NW sector of MT. Interestingly, one model shows a cold front moving South by SW over NE WY, SW MT, the middle portion of the ID panhandle, and SE WA to NW OR while another model shows a stationary front over similar locales just mentioned. Meanwhile, another model shows snow over Southern WA, with the bulk of it South of the I-90 corridor (from Pendleton, OR to the Spokane area). Mid afternoon weather for 1/18-from heavy precipitation in the form of snow earlier in the day, to light intermittent snow showers this afternoon. Temperatures are in the mid to upper teens, BP 29.70"R along with very cold air movement from the NW though occasionally from the NE. Current conditions for 1/19-overcast with light snow, and wind. It has picked-up somewhat since earlier this morning; however, what we had was from the West at 0-1 mph, wind puff: out of the WSW to 6 mph, humidity 83%, dew point 10° {yesterday, the readings were 96% and 16° respectively}, current snow level 1000' rising to 2000' by this afternoon, observation time temperature 17.2° (and with a 5-10 mph breeze, it feels more like 3-7 degrees), the barometric pressure is 29.70" and rising. |
| 1/20/2012 |
5:06 AM |
0.13 |
1.5 |
0.13 |
8.7 |
0.68 |
To get an idea of how large the current wave is, it extends North by NW from off the coast of Southern CA to the Gulf and from over the San Jose area to just South of the Yukon. Meanwhile, a relatively short river of dry is moving East by NE (in a shallow trough) with the northern end of it extending in a northerly "flow". The result of this action is moving a relatively large wave ahead of it over central to Northern CA, Northern and Southwestern NV, OR, WA, and Western ID. In addition, one model shows a cold front moving South over the central panhandle of ID (quite possible the Moscow area), and extreme SE WA. From this point, a warm front is moving North by NE near the OR/WA border before extending NW over NW WA (Neah Bay area) while simultaneously approaching SW Vancouver Island and the Southern Queen Charlottes. Another model shows the possibility of heavy snow over the Northern half of WA, Southern BC, extreme Western WY, and all of ID except for the Southern and SW segments. Current conditions for 1/20-a thicker Altostratus overcast, light haze, no precipitation in the last 24, and light air movement. What air movement there is, comes from the East at 0-1 mph, wind puff: out of the ENE to 5 mph, humidity 85%, dew point 11°, current snow level 1000' rising to 3500' by this afternoon, observation time temperature 19.6°, and the barometric pressure 29.76" and rising. |
| 1/21/2012 |
5:17 AM |
0.08 |
2.3 |
0.08 |
11.0 |
0.76 |
An upper level low with the center located West of SE AK, is moving East by NE over the Gulf region toward northern SE AK and extreme NW BC with the outer bands just clipping the NW side of the Queen Charlottes. Southwest of this upper level low, is a relatively large pool of cooler, drier air moving East by SE over most of the Queen Charlottes, the central coast of BC, Southwest Vancouver Island, extreme Western WA and OR as well as most of CA. On the Eastern side of this "large pool of cooler, drier air", a narrow "tongue" of very dry air is approaching the coast of WA, while moving over extreme Western OR, and from NW to Southern CA before turning East over Southern CA into South eastern NV (The Las Vegas area). Behind the large pool of dry, cooler air mentioned above is a moderate sized wave that should arrive over the area (WA) sometime tomorrow {1/22/12} along with a good chance of precipitation in the form of rain in some areas and snow in others. Mid afternoon weather for 1/20-a Nimbostratus overcast with precipitation in the form of light to moderate snowfall. Temperatures are in the low to mid 20's, BP 29.57"F along with slight air movement from the SW. Current conditions for 1/21-overcast (Altocumulus and some scattered Cumulus), light haze, no precipitation in the past 24, and very little by way of air movement. What there is, comes from the NNE at 3-4 mph, wind puff: out of the NE to 9 mph, humidity 90%, dew point 19°, current snow level 3000', lowering to 2000' by sometime this afternoon, observation time temperature 25.2°, and the barometric pressure 29.13" and falling (this is the second lowest BP since 1/22/2010 when the reading at that time was 29.08"F). |
| 1/22/2012 |
5:03 AM |
0.00 |
0.0 |
M |
M |
M |
One wave is moving East by NE over North western CA into SW OR, while another (immediately South of the first) is also moving over Northern CA in an Easterly direction with its Southern boundary extending over the Bay area. Meanwhile, yesterday's upper level low located West of SE AK and the Queen Charlottes continued its SE movement, though weakened considerably in the process as it is now a low pressure with the center West of and moving East by NE toward Vancouver Island. The Northern "clouds" associated with this low are moving over SE AK and the Queen Charlottes into North central and Northern BC while the Southern half is moving over Eastern OR, WA, Vancouver Island, central, Southern, and South western BC. Two models show the possibility of heavy snow on the Coast range of SW BC, the Cascades of WA and OR, the Siskiyou's of Northern CA, and the Sierra Nevada of CA. Mid afternoon weather for 1/21-overcast (Altostratus and some scattered Cumulus to the South and SW). Temperatures are in the low to mid 30's, BP 29.38" and rising along with calm winds. Current conditions for 1/22-a Nimbostratus overcast with the precipitation in the form of moderate snowfall, and very little to no air movement. What there is, comes from the East at 0-4 mph, wind puff: out of the East to 7 mph, humidity 91%, dew point 24°, current snow level 1500', observation time temperature 23.5°, and the barometric pressure 29.72" and rising. |
| 1/23/2012 |
5:25 AM |
0.25 |
3.9 |
0.25 |
14.9 |
1.01 |
Yesterday's storm {which was responsible for several inches of snow in this area anyway} has moved well to the East and SE of this area (WA). A "trough" appears to be moving East over North western MT, the Northern panhandle of ID, all of WA (except the extreme SE corner), most of OR (except the extreme Eastern and Southeastern sections) and Northwest CA. In the SE part of this "trough "a narrow tongue of very dry air is moving East by SE over NW CA, then extending South by SE along the coast of CA before turning East over Southern CA near the Oxnard area. Meanwhile, a small disturbance is moving NE over most of Vancouver Island into SW BC, while immediately to the NW, another small disturbance is moving over the NW tip of Vancouver Island, into SW BC (further to the NW). Mid afternoon weather for 1/22-although snow continues to fall, it is not quite as intense like it was shortly before noon. Temperatures are in the low to mid 30's, BP 29.55"F along with light air movement from the NNE. Current conditions for 1/23-mostly clear skies above the fog. This fog may have gotten started earlier this morning by a phenomenon known as "steam fog" "where rising water vapor meets the cold air, and immediately re condenses and rises with the air that is being warmed from below. It is often very shallow, though it can be dense and saturate a large volume of air." No precipitation during the last 24, and calm winds. What whisper of air movement there is comes from the WNW at 0 mph, wind puff: out of the NW to 0 mph, humidity 95%, dew point 17°, current snow level 1500' rising to 3000' by this evening, observation time temperature 23.2°, and the barometric pressure 29.71" and falling. |
| 1/24/2012 |
5:32 AM |
0.00 |
0.0 |
M |
14.9 |
1.01 |
A very lengthy system (with its origin over the Midway Islands) extends NE all the way across the ocean and then moves East by SE over Vancouver Island, Southwestern and Southern BC, most of WA (except for the Southern and Southeastern sections), most of the panhandle of ID, NW MT, from the Portland area west to Northwestern OR and from that point South to the Florence region and Northern CA. In addition, it is bringing copious amounts of precipitation in the form of rain to Western WA (with less intense precipitation-rain-over the Southeastern half of Vancouver Island and the Vancouver area of BC) and the areas of OR mentioned above. One model shows the possibility of heavy snow in SW BC, and the Cascades of WA. Meanwhile, another model shows a warm front moving East by NE toward the SW coast of Vancouver Island, while at the same time is adjacent to the coasts of WA, OR, and Northern CA. Mid afternoon weather for 1/23-mostly clear skies (scattered Cirrostratus in the West and Cirrus from the NE to the East). In addition, a "pollution cloud" was observed hanging over the valley on an otherwise gorgeous, sunny, winter afternoon. Temperatures are in the low to mid 30's, BP 29.88"R along with some air movement from the NE. Current conditions for 1/24-a very light snowfall has just commenced, no precipitation in the last 24, and, once again, very little by way of air movement. What there is, comes from the South at 0-1 mph, wind puff: out of the SSE to 6 mph, humidity 95%, dew point 24° {yesterday, the reading was 17°}, current snow level 1500' rising to 3000' later this afternoon, observation time temperature 28.6°, and the barometric pressure 29.96" and rising. |
| 1/25/2012 |
5:10 AM |
0.29 |
0.0 |
M |
8.5 |
1.43 |
Yesterday's storm that brought a mixed bag of precipitation (light snowfall, freezing rain and rain) has moved ESE of the region (WA). However, in its wake, another lengthy system (similar to yesterday's with its origin over the Midway Islands)extends NE across the ocean then over the SE half of Vancouver Island into SW BC, Western OR and WA. One model shows precipitation over the NE part of the Olympic Peninsula, Southeastern Vancouver Island, Northwest WA (Western Whatcom county) then extends North into Southern BC (Vancouver area), while another shows the possibility of heavy snow in the Coastal Range of SW BC and the Cascades of WA. Meanwhile, a relatively large pool of cooler, drier air is moving East by NE toward SE AK, but over most of the Queen Charlottes, the NW half of Vancouver Island and over the coastal area of central BC. This "pool of drier, cooler air" is being prevented from affecting this area quite possibly by the NPJ flow pattern (SW to NE). Mid afternoon weather for 1/24-low clouds and fog, temperatures are in the upper 20's to low 30's, BP 29.77"R along with slight air movement from the SE. Current conditions for 1/25-mostly cloudy (Cumulus), no precipitation during the overnight, {although it is not raining or snowing at the present time in the valley, it is snowing on Birch Mountain to the North, and on or near Mission Ridge to the SW}, and light air movement. What there is, comes from the West at 3 mph, wind gust: out of the WSW to 40 mph (the last time a wind gust of this magnitude occurred was on 2/07/11, when the velocity was 37 mph from the West), humidity 78%, dew point 32° (yesterday, the readings were 95% and 24° respectively), current snow level 2500', observation time temperature 44.1°, and the barometric pressure 29.86" and rising.
|
| 1/26/2012 |
5:19 AM |
0.03 |
0.0 |
M |
6.6 |
1.47 |
A relatively long "tongue" of very dry air (with its origin well South of the Gulf) is moving East by SE over the Southeastern half of Vancouver Island, most of WA (except for the extreme Southeast part) and Northwestern OR. As a result, it is forcing a system (believed to be responsible for precipitation during the overnight at this site anyway) ahead of it also in a SE direction. Immediately South of this "dry air" a system (a mere remnant of yesterday with its origin over the Midway Islands) is moving East by NE (from West of the Northern CA and OR coasts) over Northern CA, most of OR (except for the Northwestern section), most of ID {except for the Northern panhandle and the SE section) into Western and Southwestern MT. Behind this system are what appear to be three short waves, with the first to arrive over the area (WA) sometime Saturday into Sunday, and the last one to move over the area sometime Monday into Tuesday. Mid afternoon weather for 1/25-mostly cloudy (scattered Cirrostratus and Cumulus) with some partial clearing from the East to the SE and toward the South. Temperatures are in the upper 30's to low 40's, BP 30.02"R along with slight air movement from the SW. Current conditions for 1/26-partly cloudy (all Cumulus) and windy. The velocities are out of the West at 5-15 mph, wind gust: out of the WNW to 19 mph, humidity 51%, dew point 23° (yesterday, the readings were 78% and 32° respectively), current snow level 3000' lowering to 1500' later this afternoon, observation time temperature 35.6°, and the barometric pressure 29.77" and falling. |
| 1/27/2012 |
5:12 AM |
0.00 |
0.0 |
M |
5.8 |
1.49 |
Because of the warmer weather the past few days, the snow-pack at this site has been reduced from a depth of 14.9" on 1/22 to 5.8" as of 1/27 {or, in other words, slightly more that 9" have melted}. In the Gulf region, a moderate sized pool of cooler, drier air is moving East over extreme NW BC, SE AK and the Northern coast of the Queen Charlottes. Just ahead of this "moderate pool of cooler, drier air", a cold front is moving South by SE over NW BC, the Southern coast of SE AK and the Northern coast of the Queen
Charlottes. Meanwhile, a system in SE BC is moving SE over the Canadian Rockies into NW MT, the Northern panhandle of ID and the NE quadrant of WA. In addition, a relatively small tongue of dry air is moving South {off the coast of OR} by SE with the "head" moving South over Western OR into NW CA. Behind this "dry air" is an immense wave approaching the coasts of WA and OR. Mid afternoon weather for 1/26-partly cloudy (all Cumulus) with temperatures in the low to mid 40's, {or, about 10 to 15 degrees above average as the average temperature for JAN is 29.2°}, BP 30.08"R along with light air movement from the NW. Current conditions for 1/27-mostly clear (scattered Cirrus in the West, and Cirrostratus from the North to the SE), light haze, no precipitation in the last 24, and very little by way of air movement. What little "movement" there is, comes from the WNW at 2 mph, wind gust: out of the NW to 17 mph, humidity 67%, dew point 19° (yesterday, the readings were 51% and 23° respectively), current snow level 2000', observation time temperature 28.2°, and the barometric pressure 30.40" and rising. |
| 1/28/2012 |
5:32 AM |
0.00 |
0.0 |
M |
0.0 |
M |
A system is moving East by NE over SE AK, the Queen Charlottes, the central coast of BC, and Vancouver Island into most of BC except for the extreme North and NE section while the center of this low pressure (located well West of the Queen Charlottes) is moving toward SE AK. Interestingly, a warm front associated with this system, is moving East by NE as it approaches the coasts of Southern SE AK, and the Queen Charlottes though adjacent to the central coast of BC, Vancouver Island, and WA. Some of this energy {from the system} extends South into both Western and Eastern WA (from the Eastern county of Okanogan SE to Asotin county then West along the border to just East of Goldendale) as well as Western OR. One model shows scattered showers on the Northern tier of the Olympic Peninsula, SE Vancouver Island, from North Marysville to Lynden, and Vancouver BC, while another shows the possibility of heavy snow on the Coast Range of SW BC, and the Northern Cascades of WA. Mid afternoon weather for 1/27-a Cirrus overcast (complete with an immense halo!), temperatures are in the upper 30's to low 40's, BP 30.33"R along with slight air movement from the SE. Current conditions for 1/28-overcast ( a combination of Cirrostratus and Altostratus), light haze, no precipitation in the last 24, along with very slight air movement. It is from the West at 0 mph, wind puff: out of the WNW to 5 mph, humidity 85% {yesterday the reading was 67%}, dew point 20°, current snow level 5000' (yesterday, it was 2000'), observation time temperature 29.8°, and the barometric pressure 30.27" and rising.
|
| 1/29/2012 |
5:22 AM |
T |
0.0 |
M |
5.0 |
1.40 |
A system in Southeastern BC is moving East over the Canadian Rockies with a fair amount of this energy extending South into Northeastern WA, then turning sharply East over the Northern panhandle of ID into NW MT. Southwest of this "system" another one is moving East by NE with some of this energy moving NE over most of Vancouver Island into Southwest BC. Interestingly, one model shows the possibility of heavy snow in two areas with one being the Canadian Rockies, SE BC, the Northern panhandle of ID, NW MT, and the Southern panhandle of ID near the NE border of OR, while the other is in SW BC and the Northern Cascades of WA. Meanwhile, the rest of the "second system" (mentioned above) is moving East into NW WA (including most of Whatcom, Skagit, and Snohomish counties as well as Clallam, Jefferson and most of Grays Harbor counties) with one large band of precipitation moving East by NE over Southeastern Vancouver Island and most of the Olympic Peninsula in addition to a smaller band moving over NW OR and approaching the Portland area. Mid afternoon weather for 1/28-Cirrostratus overcast with scattered lower level Cumulus, a light snowfall over or near Mission Ridge to the SW though in the form of very light rain at this observation site. Temperatures are in the low to mid 30's, BP 30.11"F along with slight air movement from the SE. Current conditions for 1/29- mostly cloudy (Cirrus and Altocumulus-the dominant cloud type) with some partial clearing, light haze, and slight air movement. What there is, comes from the West at 3-5 mph, wind gust: out of the West to 10 mph, humidity 88%, dew point 27°, current snow level 6500' lowering to 5500' by the afternoon, observation time temperature 30.2°, and the barometric pressure 29.83" and falling. |
| 1/30/2012 |
5:55 AM |
0.00 |
0.0 |
M |
M |
M |
A system is moving East by NE over the Southern half of the Queen Charlottes, the coastal area of central BC, and Vancouver Island into SW BC while at the same time approaching the coasts of WA, OR and Northern CA. Even though this system does not appear to be bringing much by way of precipitation to WA or OR, one model does show the possibility of heavy snow to the coastal range of SW BC and snow to the Cascades of WA and Northern OR. Meanwhile, a disturbance is moving SE over Eastern WA, the Northern panhandle of ID, and NW MT and at the same time appears to be dissipating in the process. In addition, drier air is spread over a relatively large area including most of WA, OR (except for the extreme NE section), Northern CA, SW (SE of Lake Tahoe) to NE NV, and Southern ID. Mid afternoon weather for 1/29-overcast (Cirrostratus, Altostratus and scattered lower Cumulus), temperatures are in the upper 30's to low 40's, BP 29.65"F along with slight air movement from the SE. Current conditions for 1/30-mostly cloudy ( a small area of Cirrus, with the dominant cloud type appearing to be Altostratus Duplicatus), light haze, no precipitation in the last 24, and very little by way of air movement. What there is, comes from the West at 3-6 mph, wind gust: out of the WNW to 17 mph, humidity 56%, dew point 32°, {yesterday, the readings were 88% and 27° respectively}, current snow level 3000, observation time temperature 37.2°, and the barometric pressure 29.64" and falling. |
| 1/31/2012 |
5:09 AM |
0.00 |
0.0 |
M |
6.3 |
1.80 |
The increased snow depth shown below is because a core sample was taken at a different location. Mid afternoon weather for 1/30-partly to mostly cloudy (Cirrus, Cirrostratus, a sun dog, Altostratus and widely scattered Cumulus). Temperatures are in the upper 40's to low 50's, BP 29.81"R along with light air movement from the East. Current conditions for 1/31-mostly clear (scattered Cirrus and Cirrostratus), light haze, no precipitation in the last 24, and very little by way of air movement. What there is, comes from the West at 1 mph, wind puff: out of the NNW to 6 mph, humidity 76%, dew point 29° {yesterday, the readings were 56% and 32° respectively}, current snow level 3000' (after Wednesday, it is forecast to rise at a fairly rapid rate to between 9000' and 9500' through Saturday, and then lower somewhat Saturday through Monday, to between 8500' and 9000'), observation time temperature 33.4°, and the barometric pressure 29.84" and rising. Here are some interesting EOM stats for JAN- 1) total precipitation: 1.37" or 101% of average, 2) number of days with no precipitation: 21, 3) high BP: 30.40" on 1/12, and 1/27, 4) low BP 29.13" on 1/21, 5) date with low BP and no precipitation" 29.13" on 1/21, 6) date with high BP and precipitation: 30.36" on 1/01 (0.06"), 7) average BP: 29.97", 8) average morning temperature: 28.8°, 9) high morning temperature: 44.1° on 1/25, and 10) low morning temperature: 17.2° on 1/19. |
| 2/1/2012 |
5:27 AM |
0.03 |
0.0 |
M |
M |
M |
The system that yesterday was moving East by NE over Vancouver Island into SW BC and approaching the coasts of WA, OR, and Northern CA, is in the process of exiting the area though some energy from a disturbance in Southern and Southeastern BC extends South over Northern, Northeastern, North central, as well as extreme Southeastern WA. Behind this system, drier air is moving East over a very large area including BC, most of WA, OR, and Northern CA, with the driest air extending South from the Goldendale area to central OR (East of the Bend region). Near the Gulf region, is a very impressive upper level low with its center located SW of Kodiak Island. From this point, an occluded front is moving East by NE toward the Gulf with the occluded portion moving North toward the Kenai Peninsula and Southern AK while the warm front is moving East by NE toward SE AK and the Queen Charlottes followed by the cold front moving East by SE. The clouds associated with it are moving over Southern AK, SW part of the Yukon, SE AK, NW BC and the Queen Charlottes. In addition, it is bringing wind, moisture, and heavy snow to SW AK and the inner to middle Aleutians ( where as much as 1-2 feet are expected). Mid afternoon weather for 1/31-a thick Altostratus overcast (as the sun was completely obscured from view), temperatures are in the upper 30's to low 40's, BP 29.84"R along with some occasional air movement from both the South as well as the SW. Current conditions for 02/01-scattered Altocumulus, Cumulus and patchy fog on an otherwise sunny winter morning. We do have light haze, and very little by way of air movement. What there is, comes from the WNW at 1-2 mph,wind puff: out of the NW to 6 mph, humidity 96% {yesterday, the reading was 76%}, dew point 34°, current snow level 3000', observation time temperature 37.4°, and the barometric pressure 29.75" and rising. |
| 2/2/2012 |
6:22 AM |
0.00 |
0.0 |
M |
3.5 |
1.04 |
A system is moving North off the coast of BC over SE AK, the extreme SW and Southern part of the Yukon, SE AK and the Queen Charlottes into Northwestern and North central BC. Behind this system, a moderate sized pool of cooler, drier air is also moving East by NE forcing both the fetch or tap attached to the system and the "head" of a lengthy river of very dry air in the same East by NE direction. This river of very dry air extends SE off the coasts of Southern WA, OR, CA, and Baja, before turning East by NE over the Gulf of CA, NW Mexico, and into Southeastern AZ. Meanwhile, high pressure is both at the surface (with its center located near the Oroville area) and aloft { over the PNW before turning in a NW tilt over the Western half of the NW Territories, the Yukon and most of AK} with its axis just off the coasts of WA, OR, and Northern CA. Mid afternoon weather for 02/01-mostly clear (except for some widely scattered Cumulus), temperatures are in the upper 40's to low 50's, BP 29.91"R along with a light breeze and occasional gusts from the NW. Current conditions for 02/02-mostly clear in and toward the East (Cirrus from the NE to the East) but overcast in the West and from the North to the South (Altocumulus and Altocumulus Perlucidus). We have light haze, no precipitation during the last 24, and very little by way of air movement. What there is, comes from the WNW at 2 mph, wind gust: out of the NW to 11 mph, humidity 71%, dew point 23°, (yesterday, the readings were 96% and 34° respectively), current snow level 4000' rising to 6000' this afternoon, observation time temperature 33.4°, and the barometric pressure 30.29" and rising. |
| 2/3/2012 |
6:04 AM |
0.00 |
0.0 |
M |
M |
M |
The lengthy river of dry air is not as dry as yesterday, though is still visible as it extends
Southeast off the coasts of OR and CA, then East over Baja, the Northern tier of the Gulf of CA, and Mexico, before turning NE from SW TX to NE OK. North of this "river" is another relatively short tongue of very dry air extending SE from the Lake Tahoe area to Southern CA, then East over NM and AZ before turning NE over the panhandle of TX. Meanwhile, a system (whose southern half is adjacent to WA and the SE half of Vancouver Island) is moving East over the NW part of the island mentioned above, the central coast of BC, the Queen Charlottes, and SE AK into NW BC and appears to be weakly attached to the clouds associated with the low pressure moving North from the Gulf over Southern AK. Mid afternoon weather for 02/02-mostly clear (scattered Cirrus), temperatures are in the low to mid 40's, BP 30.27"R along with slight air movement from the NW. Current conditions for 2/03-mostly clear (scattered Cirrus from the East to the SE, and Altocumulus from the West to the South), light to moderate haze, no precipitation in the last 24, and very little by way of air movement. What meager air movement there is, comes from the WNW at 1-3 mph, wind puff: out of the NW to 6 mph, humidity 85% {yesterday, the reading was 71%}, dew point 24°, current snow level 7500', observation time temperature 28°, and the barometric pressure 30.20" and rising. |
| 2/4/2012 |
6:54 AM |
0.00 |
0.0 |
M |
M |
M |
A lengthy river of moister air(associated to a system moving East over NE BC and Northern Alberta) extends SW over SE BC, Western WA and OR before turning SE over most of CA. At the same time, drier air is moving West over most of ID, Eastern WA and OR, NE CA and NV {with the driest air over the NW to the SE part of the state}. It is believed that the two scenarios described above are caused by a surface high pressure (with its center located in SE BC) and an upper level trough over the mid-section of the US with its Westernmost boundary over Eastern NV. West of the "river" mentioned above is a relatively short and narrow tongue of drier air just off the coasts of OR and WA moving North toward Vancouver Island. Behind this is is a large upper level low moving NW by NE with its center located slightly SW of the Queen Charlottes. In addition, it is moving over SE AK, while approaching the Queen Charlottes, central coast of BC, Vancouver Island, and at the same time adjacent to the coasts of WA, OR, and Northern CA. Mid afternoon weather for 2/03-scattered Cirrus on an otherwise sunny and pleasant winter afternoon. Temperatures are in the upper 30's to low 40's, BP 30.20"R along with slight air movement from the SW. Current conditions for 2/04-clear skies, no precipitation in the last 24, light to moderate haze, and very little by way of air movement. What there is, comes from the WNW at 4-6 mph, wind puff: out of the NW to 8 mph, humidity 78%, dew point 24°, current snow level 8000', observation time temperature 31.8°, and the barometric pressure 30.26" and rising. |
| 2/5/2012 |
6:26 AM |
0.00 |
0.0 |
M |
M |
M |
Drier air, continues to extend West over Southern Alberta, SE BC, the panhandle of ID, Eastern WA and OR, from NW to SE NV, and from extreme NE CA to Southern CA (closest to the SW NV border). This scenario is believed to be caused by a surface high pressure (with its center located on the border of extreme SW Saskatchewan and Northern MT), and an upper level low (the center of which is located over SE UT -near Canyonlands Nat'l Park) with its Westernmost pressure gradient extending into Western NV. Meanwhile, an upper level low {with its center just West of the Queen Charlottes} is moving East by NE over the central coast of BC, the SE half of Vancouver Island into central and Southwestern BC as well as Western WA (extreme Western Whatcom county and most of Clallam, Jefferson, Grays Harbor and Pacific counties) and NW OR. In regard to the upper level low West of the Queen Charlottes, part of a cold front is moving North by NE toward the Southern perimeter of the Gulf, the Southern tip of the Queen Charlottes, the central coast of BC while the remainder of the front is moving East by SE near the NW tip of Vancouver Island and at the same time is adjacent to the coasts of WA, OR and Northern CA. Mid afternoon weather for 2/04-clear skies, temperatures are in the low to mid 40's, BP 30.20"R along with slight air movement from the NW. Current conditions for 2/05-clear skies (except for scattered Cirrus, Cirrostratus and a few Contrails), no precipitation in the last 24, light to moderate haze, and very little by way of air movement. It is from the WNW at 2-3 mph, wind puff: out of the NW to 7 mph, humidity 86%, dew point 24°, current snow level 6500', observation time temperature 26.8°, and the barometric pressure 30.24" and rising. |
| 2/6/2012 |
5:58 AM |
0.00 |
0.0 |
M |
M |
M |
Persistent drier air is over Eastern and Southern WA, then turns SE over the middle third of OR, extreme NE CA, NW to SE NV, Northern AZ, and NW NM before turning NE over Southeastern CO. Once again, this is believed to be caused by an upper level low (over the Western and SW part of the US with its center over extreme NE UT near the border of extreme SE ID and with the Westernmost pressure gradient now extending to the CA border-except for the Northeast portion) and a surface high pressure (with its center over the border of extreme SE BC and NW MT). Meanwhile, an upper level low {with its center located well off the coast of Northern CA} is moving North by NE over Northwestern Vancouver Island, the central coast of BC (the Southern portion), and the Southern tip of the Queen Charlottes while the SE part of this system is moving NE over NW to Southern CA and at the same time appears to be in the process of being "stretched". Mid afternoon weather for 2/05-scattered Cirrus and Cirrostratus on an otherwise mostly sunny winter afternoon. Temperatures are in the upper 30's to low 40's, BP 30.17"R along with slight air movement from the North. Current conditions for 2/06-mostly clear skies (scattered Cirrus and Cirrostratus), light to moderate haze, no precipitation in the past 24, along with some light air movement. It is coming from the WNW at 1-5 mph, wind gust: out of the NW at 8-10 mph, humidity 96% (yesterday, the reading was 86%), dew point 23°, current freezing level 7000', observation time temperature 25.5°, and the barometric pressure 30.17" and falling. |
| 2/7/2012 |
5:30 AM |
0.00 |
0.0 |
M |
M |
M |
There are several areas of persistent dry air one of which is over the Gulf, NE to SW BC and into NE WA, NE to SW Alberta (West of Grande Cache) and from that point extends SE over SE BC into Northern and Northwestern MT. Drier air extends SE over NW to SE WA, NE OR, SW ID, NE NV, NW to SE UT, NW to NE NM before turning NE over the TX panhandle. Meanwhile, a large upper level low (with its center over the extreme Southwestern part of the Yukon) is over SE AK and the Southern half of the Yukon. Moving around the SE side of this upper level low, a system is moving NE over most of SE AK, NW to NE BC into the SW section of The NW Territories. However, the big story is a very impressive low pressure moving North by NE over the Queen Charlottes and Southern SE AK before turning SE (as it approaches the SW coast of Vancouver Island) over extreme SW WA, most of OR, NW to SE NV, Northern AZ, and CA. In addition, it is bringing precipitation from the Bay area to Southern CA {including San Luis Obispo, Santa Barbara, and the LA area as well as snow to the Sierra Nevada}. Mid afternoon weather for 2/06-mostly clear (scattered Cirrus and Cirrostratus) on a sunny mid-winter afternoon. Temperatures are in the mid 30's to low 40's, BP 30.07"F along with light air movement first from the NE then from the North. Current conditions for 2/07-clear skies, no precipitation in the past 24, light to moderate haze, and very little by way of air movement. What there is, comes from the West at 1-3 mph, wind puff: out of the WNW to 8 mph, humidity 82%, dew point 25°, current snow level 4000' rising to 5500' by this afternoon, observation time temperature 30.4°, and the barometric pressure 30.05" and falling. |
| 2/8/2012 |
5:31 AM |
T |
0.0 |
M |
3.0 |
1.10 |
A large upper level low is over Northern Baja, as well as the Northern section of the Gulf of CA and the Northern portion of Southern Baja with its center over the Pacific off the SW coast of Southern Baja. Drier air is moving East by NE over NW to SE WA, NE OR, extreme Western ID (closest to the OR border), NE to SW NV (SE of the Lake Tahoe region) then continues SW over Southern CA {near the Lompoc area} and the Pacific. In addition, a small area of drier air is moving NE over the extreme NW coast of WA as it approaches the SW coast of Vancouver Island. A weak system is moving NE over NW WA and SE Vancouver Island into SW BC and bringing with it a fair amount of precipitation while a stronger system is moving East over most of OR (except for the NE section-due to the drier air mentioned above) and brings with it fair to moderate precipitation from Northern CA (the Weed vicinity) to the Crater Lake area, and from just West of Bend to the Beaverton/Portland region. Mid afternoon weather for 2/07-mostly sunny (scattered Cirrus and Cirrostratus), temperatures are in the low to mid 40's, BP 29.95"F along with some air movement from the NW. Current conditions for 2/08- an Altocumulus overcast with partial clearing from the NE to the East, and fog obscuring the higher ridges and peaks around the valley. The haze is moderate, and there is air movement from the SE; although earlier it was from the West at 0-4 mph, wind puff: out of the WNW to 9 mph, humidity 99%, dew point 32°, (yesterday, the readings were 82%, and 25° respectively), current snow level 4500', observation time temperature 35.8°, and the barometric pressure 30.05" and falling. |
| 2/9/2012 |
7:00 AM |
0.00 |
0.0 |
M |
M |
M |
|
| 2/10/2012 |
5:35 AM |
0.02 |
0.0 |
M |
M |
M |
The amount recorded above, occurred last evening [2/09/12]. A system is moving North by NE over extreme Western WA, Vancouver Island into SW and Southern BC, the central coast area of BC, and the SW tip of the Queen Charlottes into North central and Northern BC. In addition, it is bringing precipitation to extreme Western WA as well as SE Vancouver Island. The rest of this system extends SE from SW and Southern BC over WA, NE OR, NW ID to SE WY as well as Northwestern to Southwestern MT. Interestingly, one model shows the possibility of snow in the mountainous region of SW BC, the Cascades of WA as well as the Northern and Northeastern regions of the state. Mid afternoon weather for 2/09-overcast with scattered patchy fog, temperatures are in the upper 30's to low 40's, BP 30.17"R along with slight air movement from the North. Current conditions for 2/10-low clouds and fog with precipitation in the form of a light drizzle and very little by way of air movement. What there is comes from the WSW at 1-3 mph, wind puff: out of the SW to 6 mph, humidity 100% (yesterday, the reading was 86%), dew point 33°, current snow level 5500', observation time temperature 38.7°, and the barometric pressure 30.02" and falling. |
| 2/11/2012 |
5:19 AM |
0.22 |
0.0 |
M |
2.0 |
0.71 |
The amount recorded above took place yesterday, with 0.14" falling from early morning to early afternoon and the remaining 0.08" during the evening hours as indicated below for a grand total of 0.22". Mid afternoon weather for 2/10-not much change from earlier today (continued low clouds and fog). Temperatures are in the upper 30's to low 40's, BP 29.97"F along with slight air movement from the NW. Current conditions for 2/11-from low clouds and fog to an Altocumulus overcast and scattered patchy fog. A trace of precipitation was recorded earlier this morning, the haze is light to moderate, and again, very little by way of air movement. What there is, comes from the NW at 2-4 mph, wind puff: out of the NW to 7 mph, humidity 97%, dew point 38°, current snow level 3500', observation time temperature 39.6°, and the barometric pressure 29.94" and falling |
| 2/12/2012 |
6:33 AM |
0.00 |
0.0 |
M |
M |
M |
One model shows a low pressure just off the coasts of SW Vancouver Island and NW WA with a system moving East over most of BC (except for the NW and Southeastern sections-where drier air is over this section as well as most of Eastern WA) and extends basically South over the Southern half of
SE AK, the central coast of BC, and Vancouver Island with some of its energy extending SE over NW to SW WA, Northwestern and Southwestern OR, NW CA while at the same time very near the coasts of WA and OR. In addition, another model shows the possibility of heavy snow in the coastal range of SW BC and Northern CA (quite likely the Siskiyou's). Mid afternoon weather for 2/11-from low clouds and fog earlier today to partly cloudy skies (scattered Altocumulus, Cumulus and patchy fog) on an otherwise sunny and pleasant winter afternoon. Temperatures are in the upper 40's to low 50's, BP 29.90"F along with slight air movement from the NE. Current conditions for 2/12-partly cloudy (scattered "fog-like" clouds and patchy fog), no precipitation in the last 24, a light frost was noticed earlier this morning, light to moderate haze, and a continuation of very little air movement. What there is comes from the WNW at 1 mph, wind puff: out of the NW to 6 mph, humidity 96%, dew point 32°, current freezing level 2500' (yesterday, it was 3500'), observation time temperature 31.8°, and the barometric pressure 29.85" and falling. |
| 2/13/2012 |
5:42 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Most of the snow has melted except for shaded areas and "deeper piles" as a result of shoveling. Although moister air is over Northern and Northeastern to Southwestern Alberta, SE BC, WA and OR, there appears to be a small bit of energy embedded in this moisture (moving SE) over SE BC that extends from SW to NE BC (near the Jasper region). Behind this "moister air", a lengthy river of drier air is moving East by SE {and extending SW} over NE (West of Grande Cache) to SW BC, SE Vancouver Island-at this point the air becomes dry-NW WA (the Olympic Peninsula), while at the same time is approaching the coasts of OR and Northern CA. From this point, it turns SE by East over Southern CA into SE NV. Meanwhile, one system is moving North by NE into Southern AK, and approaching SE AK and the Queen Charlotttes, while a second systerm [immediately SW of the first one] is moving East by SE toward central and Southern CA. This is because of a split in the NPJ flow pattern, with most of the energy going into AK, the Yukon and BC and the remainder into central and Souuthern CA. Mid afternoon weather for 2/12-an Altocumulus overcast (except for partial clearing in the NE, East, and SE) and patchy fog with temperatures in the upper 30's to low 40's, BP 29.73"F along with slight air movement from the SE. Current conditions for 2/13-mostly cloudy {Cirrostratus, Altocumulus, and scattered Cumulus}, no precipitation in the last 24, haze is light to moderate, and very little by way of air movement. It is from the WNW at 2-3 mph, wind puff: out of the NW to 6 mph, humidity 92%, dew point 35°, current snow level 3000', observation time temperature 38.7°, and the barometric pressure 29.76" and falling. |
| 2/14/2012 |
5:22 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Dry air is moving East by SE over the middle third of WA, Northern to Southwestern OR, the NW corner of CA before turning West over the ocean. Another area of dry air, also moving East by SE, is parallel to the SW coasts of the Queen Charlottes and Vancouver Island as the leading edge moves over SW WA and NW OR. Interestingly, as these two areas of dry air continue to move East by SE, they lose their "dryness" and become more moist. Meanwhile, one model shows an upper level low over most of Vancouver Island and Western WA with its center just nudging the coasts of NW WA and the SW side of Southeastern Vancouver Island. There are indications however, that this upper level low will slide SE over central OR sometime today. Mid afternoon weather for 2/13-scattered Cirrus and Cirrostratus in the South to the SE and widely scattered Cumulus on an otherwise very pleasant and sunny spring-like winter afternoon. Temperatures are in the upper 40's to low 50's, BP 29.75"F along with slight air movement from the SE. Current conditions for 2/14-overcast with intermittent snow showers on the higher mountains and ridges around the valley (that included a brief period of very light snowfall at this site which resulted in a trace ), light to moderate haze, and, once again, very little by way of air movement. What there was, came from the North at 1 mph, then from the West at 0 mph, wind puff: out of the NNE to 6 mph, humidity 93%, dew point 29° {yesterday, the reading was 35°}, current snow level 2000', observation time temperature 32.2°, and the barometric pressure 29.77" and falling. |
| 2/15/2012 |
5:38 AM |
T |
0.0 |
M |
0.0 |
M |
Yesterday's upper level low that was over NW WA and most of Vancouver Island, is now over SW NV near the CA/NV border. Moister air, moving East, is over SE BC and Northeastern and Eastern WA. Behind this is a large area of drier air over Western Alberta and most of BC while dry air is over most of WA, Western OR and most of CA before turning NE over Southern CA into SE NV. Behind this, is what appears to be a gigantic system; however, on closer observation it can be broken into three parts the first of which is moving North by NE over the Gulf, SW to Southern AK, SW portion of the Yukon, most of SE AK into NW BC. The second part, with the appearance of a "wave", is moving East by SE over Southern SE AK, the NW tip of Vancouver Island into the central coast of BC. The third part is moving East by NE toward Vancouver Island, WA, OR, and Northern CA with the remainder of this third part extending SW by West over and beyond the Midway Islands. Mid afternoon weather for 2/14-overcast with widely scattered Cumulus and patchy fog (except where it is snowing lightly on Twin Peaks to the West, and harder on Birch Mountain to the North). Temperatures are in the upper 30's to low 40's, BP 29.76"F along with air movement out of the East, then the SE. Current conditions for 2/15-clear skies, light to moderate haze, and very little air movement. It is from the West at 1-5 mph, wind puff: out of the WNW to 5 mph, humidity 92%, dew point 27°, current snow level 2500', observation time temperature 29.3°, and the barometric pressure 30.02" and rising. |
| 2/16/2012 |
5:48 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Yesterday's "gigantic system" (that was broken into three parts) is in the process of moving East of the region (WA); although moist air is over NE AK, the Northern Yukon, Northwestern and Southwestern NW Territories, most of BC, extreme Northeastern and Eastern WA, and NW NV (near the Lake Tahoe area). Drier air is over NW BC {with a small area of dry air sliding East by SE over the central coast of BC and most of Vancouver Island}, most of WA, OR [although one model shows a band of rain over Portland, OR to Vancouver BC moving East], and the Northern tier of CA. Mid afternoon weather for 2/15-West of a North/South line consists of a Cirrus/Cirrostratus overcast while East of this line it is mostly clear (except for a lengthy band of Cirrus extending from the South to the NE). Temperatures are in the upper 40's to low 50's, BP 30.09"R along with light air movement from the East, then the NW on an otherwise very pleasant afternoon. Current conditions for 2/16-overcast, with low clouds in the East and North, light to moderate haze, no precipitation in the last 24, and not much by way of air movement. It is from the West at 0-1 mph, wind puff: out of the WNW to 5 mph, humidity 84%, dew point 29°, current snow level 3000', observation time temperature 34.7°, and the barometric pressure 30.13" and rising.
|
| 2/17/2012 |
5:20 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although no precipitation was recorded during the observation time, a trace was received in an hour as indicated by the "Duration Information" below. An upper level low (with its center located just West of the NW tip of Vancouver Island) is moving East by NE toward the Queen Charlottes. At this point, there is an occluded front with the occluded portion moving North by NE toward the Queen Charlottes and Vancouver Island. The warm front is moving basically NE toward the coasts of NW OR and WA followed by a cold front moving SE over the ocean toward OR and Northern CA. The clouds associated with this upper level low are moving over most of SE AK, the Queen Charlottes, most of Vancouver Island and the central coat of BC into central and North central BC. Some of this energy extends SE over SW to SE BC, Northern and extreme Northeastern to SE WA as well as extreme NE OR. Interestingly, a surface low is located near the Milton-Freewater area in NE OR. Immediately to the SE of this upper level low, the lead portion of a system is moving East by SE over SE Vancouver Island, Western WA and OR. Mid afternoon weather for 2/16-partly sunny (scattered Altocumulus, Cumulus, and low clouds). Temperatures are in the upper 30's to low 40's, BP 30.07"R along with light air movement from the NW. Current conditions for 2/17-overcast with patchy fog, moderate to bad haze, and very little by way of air movement. It is from the SW at 0 mph, wind puff: out of the SW to 5 mph, humidity 92%, dew point 31°, current snow level 4500', observation time temperature 35.4°, and the barometric pressure 30.13" and rising. |
| 2/18/2012 |
5:48 AM |
0.15 |
0.0 |
M |
0.0 |
M |
In addition to the trace recorded yesterday morning, an additional 0.15" fell the same day beginning in the late afternoon. Meanwhile, a lengthy river of drier air is moving East by SE over the Eastern Gulf, SE AK, the Queen Charlottes before turning SE, around a low pressure [which appears to be centered over SE Vancouver Island], over most of OR and NW CA. The clouds associated with this low pressure are moving North by NE over Northern BC (NE of the Prince George area and with a slight SE extension), NW (the Grande Cache area) to SE Alberta before turning South over central MT. Another smaller band of clouds are over SW to SE BC before turning South over Northern to Southwestern WA. Interestingly, one model shows the possibility of heavy snow in the coastal mountains of SW BC, the cascades of WA, and the central Cascades of OR. Mid afternoon weather for 2/17-a gray, gloomy stratus overcast with fog to the North and East. Temperatures are in the upper 30's to low 40's, BP 29.96"F along with some light air movement from the South. Current conditions for 2/18-an Altocumulus overcast (except for some partial clearing to the NW and North), light haze, and very little air movement. It is from the East at 4-6 mph, wind gust: out of the ENE to 15 mph, humidity 84%, dew point 31°, current snow level 1500' {yesterday, it was 4500'}, observation time temperature 33.4°, and the barometric pressure 29.94" and falling
|
| 2/19/2012 |
5:44 AM |
0.00 |
0.0 |
M |
0.0 |
M |
A system in Southern and Southwestern BC is moving SE (along with a lengthy spur on its NE side moving East over North central and Northeastern BC) with some of this energy extending South over Northwestern and North central WA including most of Whatcom and Skagit counties (except for the middle portions) and extreme Western Okanogan and Chelan counties. Further to the NW, is what appears to be a lengthy system moving East by NE; however in the process, separates into two distinct systems with the Northern half moving NE over the inner Aleutians, SW AK, the Gulf and is nearing the coast of SE AK while the Southern half is moving East by SE toward the Queen Charlottes and is approaching the coasts of Vancouver Island, WA and OR. At this point, a lengthy warm front is moving East by NE toward the coasts of the Queen Charlottes, Vancouver Island, WA, OR and NW CA. Mid afternoon weather for 2/18-partly sunny (scattered Cirrus, Cirrostratus, and Cumulus with a threatening cloud deck approaching from the West). Temperatures are in the mid to upper 40's, BP 29.86"F along with light air movement from the NW. Current conditions for 2/19-a Cirrostratus overcast (along with an immense halo!), light haze, no precipitation in the last 24, and very little to no air movement. What there is, comes from the WNW at 0 mph, wind puff: out of the NW to 9 mph, humidity 65% (yesterday, the reading was 84%), dew point 30°, current snow level 1000', observation time temperature 33.4°, and the barometric pressure 29.92" and steady. |
| 2/20/2012 |
5:41 AM |
0.00 |
0.0 |
M |
0.0 |
M |
An upper level low (with its center over SW Kodiak Island) is moving North by NE over SW and Southern AK, SW portion of the Yukon, the Northern half of SE AK into extreme NW BC. SE of this ull (upper level low), a lengthy system is moving generally NE; however, as it moves over land (Northern half of SE AK) it turns SE (this is congruous to the NPJ flow-NW to SE) over the Queen Charlottes, the coast area of central BC into North central BC, NW Vancouver Island and is now moving over the coasts of NW WA, Western OR and NW CA. In addition, what appears to be a fast moving system, is moving South by SE over most of OR {with some of this energy extending North over Southern WA-like "rabbit ears"- into Western Klickitat and Southern Benton counties}, NW NV, and Northern CA. Mid afternoon weather for 2/19-a partial Altostratus overcast with Cirrostratus in the NW and from the East to the SE as well as scattered Cumulus to the South. Temperatures are in the mid to upper 40's, BP 29.78"F along with some air movement from the SW. Current conditions for 2/20- scattered Altocumulus on a partly sunny morning, light haze, no precipitation in the last 24, and very little by way of air movement. What there is, comes from the North at 0-2 mph, wind gust: out of the NNW to 10 mph, humidity 70%, dew point 25°, current snow level 1500' rising to 3500' by sometime this afternoon, observation time temperature 36.1°, and the barometric pressure 29.76" and falling. |
| 2/21/2012 |
5:45 AM |
0.00 |
0.0 |
M |
0.0 |
M |
A lengthy and very moist system (with its origin NW of HI) is moving basically NE up the NW side of what appears to be a weak ridge of high pressure then turns East by SE over most of the Queen Charlottes and the central coast of BC before turning SE over Southern and Southeastern BC, Eastern WA and OR, most of ID and Western MT. In addition, the NW side of this system appears to have a knife-edge. This is due to a narrow river of combined drier and dry air also moving NE along the NW side of this system. How potent is this system? One model shows heavy snow for the Cascades of WA and the Northern Cascades of OR (as much as 1-2' above 5000') between Tuesday AM and Thursday AM. SE Vancouver Island, Western WA and the Northern half of Western OR is expected to receive up to 6" of rain while the middle third of WA is expected to receive less than .05" of rain. Then add to this mix WIND tonight and tomorrow. Current conditions for 2/21-scattered Cirrus, Cirrostratus and Cumulus on a partly sunny morning. The haze is light to moderate, no precipitation in the last 24, and, once again, very little by way of air movement. It is from the East at 0-1 mph, wind puff: out of the East to 7 mph, humidity 89%, dew point 30° {yesterday, the readings were 70% and 25° respectively}, current snow level 7000' [yesterday, it was 3500'], observation time temperature 34.7°, and the barometric pressure 29.77and steady. |
| 2/22/2012 |
5:51 AM |
0.11 |
0.0 |
M |
0.0 |
M |
It would appear that yesterday's lengthy and very moist system [with its origin NW of HI] has separated into two parts with the first one moving South by SE over most of WA (except for the extreme Northern and North central areas), Northwestern, Northeastern, and Southeastern OR, Northern NV, ID, Western MT, and extreme WY, while the second and larger part is moving East by NE (with its origin also NW of HI) toward SE AK and the Queen Charlottes. Interestingly, there is a large area of cooler, drier air moving East by SE over Southern SE AK, the Queen Charlottes (and at the same time approaching the central coast of BC), most of Vancouver Island and NW WA (Olympic Peninsula) and high pressure at the surface {with its center over the ocean well West of the Bay area} and a weak high pressure ridge aloft over WA and OR. Mid afternoon weather for 2/21-scattered Cumulus, a gorgeous rainbow from the NE to the East, and a very large, ominous appearing cloud deck moving over this area from the West. Temperatures are in the low to mid 50's, BP 29.68"F along with a light breeze from the NW. Current conditions for 2/22-partly cloudy (what appears to be snow clouds from the North to the NE, and from the SW to the south, some Altostratus Undulatus to the SE and scattered Cumulus. The winds are from the North at 5-20 mph, wind gust: out of the North to 29 mph, humidity 90%, dew point 37°, current snow level 7000' lowering to 2500' by sometime this afternoon, observation time temperature 42.3°, and the barometric pressure 29.63" and falling. |
| 2/23/2012 |
5:47 AM |
T |
0.0 |
M |
0.0 |
M |
A "trace" was received yesterday afternoon in addition to the 0.11" recorded yesterday morning. Yesterday's lengthy and very moist system that appeared to separate into two parts with the second part moving East by NE toward SE AK and the Queen Charlottes, is in fact moving over the Southern tip of SE AK, the Queen Charlottes, the central coat of BC before turning SE over Vancouver Island, SW BC and extreme Northern and Northeastern WA; however, appears to be weakening in the process as it succeeds in cresting a colossal dome of drier air just off the coasts of Northern MX, CA, and OR, with its apex just off the Southern coast of WA. Meanwhile, the "remainder" of this system, is in a steep SW to NE plane and moving slowly East by NE as there is a lengthy river of drier on its entire NW side in its attempt to surmount the steep NE side of the "colossal dome" on its SE side. At this time, it appears that it will not crest the "dome". Mid afternoon weather for 2/22-temperatures are in the mid to upper 40's (since noon, the temperature has dropped four degrees), BP 29.86"R along with light air movement from the NW and occasionally the NE. Current conditions for 2/23-scattered Cirrus to the East, a large Altocumulus deck from the West to the South, and scattered Cumulus. The haze is light, no precipitation during the overnight and very little by way of air movement. It is from the WNW at 3 mph, wind gust: out of the NW to 15 mph, humidity 65%, dew point 28° {yesterday, the reading was 90% and 37° respectively}, observation time temperature 38.1°, current snow level 1500', and the barometric pressure 30.06" and rising. |
| 2/24/2012 |
5:19 AM |
0.00 |
0.0 |
M |
0.0 |
M |
As an interesting note, very dry air is moving East by SE over most of CA, and OR (except for the Northern tier). Meanwhile, an upper level trough {with its Southernmost boundary well off the coast of central OR}, contains a moderate sized pool of dry air that is moving East by SE with the Northern "tip" moving over the Southern half of the Queen Charlottes, the central coast of BC, and the NW tip of Vancouver Island while simultaneously approaching the coasts of WA, OR, and the Northern tier of CA. This Eastward movement is forcing a relatively compact and moist system over most of BC (except for the Northern tier) before turning SW over Vancouver Island and NW WA. In addition, one model shows the possibility of heavy snow on NW Vancouver Island, the SW coastal mountains, Southern and Southeastern BC, the Cascades of WA, the Northern and central Cascades of OR, while yet another model shows a large band of precipitation in the form of rain over the SE half of Vancouver Island, and NW WA ( the Olympic Peninsula and Bellingham regions). Mid afternoon weather for 2/23-temperatures are in the upper 40's to low 50's, BP 30.07"R along with light air movement from the NW and occasionally from the West. Current conditions for 2/24-mostly cloudy (Altocumulus and scattered Cumulus), light to moderate haze, no precipitation in the last 24, and very little air movement. It is from the West at 3-5 mph, wind gust: out of the WNW to 13
mph, humidity 60%, dew point 26°, current snow level 2500' rising to 4000' sometime this afternoon, observation time temperature 39.4°, and the barometric pressure 30.01" and rising. |
| 2/25/2012 |
6:18 AM |
T |
0.0 |
M |
0.0 |
M |
Although high pressure is over MT, ID and WY, yesterday's relatively compact and moist system over most of BC before turning SW over Vancouver Island is now moving East (and appearing to weaken in the process) with the more intense and moist energy over SE BC, Southern Alberta and Saskatchewan as well as most of WA, ID (except the Southern section), NE OR and NW to SW MT. At this point, one model shows heavy snow today for the WA Cascades where 18-30" are expected while 10-15" are expected in the Eastern Northern panhandle of ID then SE along the ID/MT border. Behind this system is a lengthy and moderate sized "pool" of drier air moving East by SE over the Gulf, SE AK, extreme NW BC, the Queen Charlottes, central coast of BC, NW Vancouver Island then turning SE over the West coast of OR and WA into NW CA. This is followed by a very large wave moving East by NE {and appears to be weakening in the process} over the Gulf and nearing the coasts of SE AK and the Queen Charlottes while moving toward the coasts of central BC, Vancouver Island, WA and OR. Mid afternoon weather for 2/24-a thicker Altocumulus overcast with scattered lower level Cumulus. Temperatures are in the upper 40's to low 50's, BP 29.67"F along with slight air movement from the SW. Current conditions for 2/25-mostly cloudy (mid and high level clouds along with scattered Cumulus), light haze, and light to moderate air movement. It is from the WNW at 5 mph, wind puff: out of the NW to 27 mph, humidity 54%, dew point 25°, current snow level 1000' (yesterday it was 4000'), observation time temperature 37.4°, and the barometric pressure 29.46" and falling.
|
| 2/26/2012 |
5:54 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Yesterday's very large wave that was moving East by NE (and appeared to be weakening in the process) over the Gulf and nearing the coasts of SE AK and the Queen Charlottes while moving toward the coasts of central BC, Vancouver Island, WA and OR, is now but a remnant (although there is an upper level trough off the WA/OR coasts) with some moist energy moving East by SE over Southeasten OR and the Northern tier of CA as well as the middle third and Northeastern OR with some of this energy extending North over Southern and Southeastern WA. Meanwhile, an upper level low (with its center well off the SW coast of SW AK) is moving East by NE over the entire Aleutian chain and forcing a very large wave ahead of it in an Easterly direction over Kodiak Island, the Kenai Peninsula, SW to Southern AK,the SW section of the Yukon before turning SE over extreme NW BC and SE AK. In other words, it is riding up the NW side of an upper level ridge of high pressure, cresting it, then turning SE "down" its NE side. Mid afternoon weather for 2/25-scattered clouds (a small area of Cirrostratus toward the SW, Altocumulus-the dominant cloud type-and scattered Cumulus. Temperatures are in the upper 40's to low 50's, BP 29.74"R along with light air movement from several directions including the NW, West and SW. Current conditions for 2/26-partly cloudy (a small area of Altocumulus to the East and scattered Cumulus on an otherwise mostly sunny morning), light to moderate haze, no precipitation during the last 24, and very little by way of air movement. It is from the NNE at 0-5 mph, wind puff: out of the NE to 6 mph, humidity 64%, dew point 19° {yesterday, the readings were 54% and 25° respectively}, current snow level is at the surface in the passes, observation time temperature 32°, and the barometric pressure 29.92" and rising. |
| 2/27/2012 |
5:29 AM |
0.01 |
T |
M |
T |
M |
In addition to the 0.01" that was recorded yesterday during the early afternoon hours, a Trace was recorded on the same day during the late evening hours! Drier air is, once again, over NW MT, the Northern panhandle of ID, most of WA and OR with the driest air over SW OR and NW CA as yesterday's remnant (which included a low pressure off the WA/OR coasts) with moist energy moved East by SE over Southeastern OR and the Northern tier of CA as well as the middle third and Northeastern OR with some of this energy extending North over Southern and Southeastern WA has continued its East by SE trek over SE ID, the Southern tier of MT, most of WY, UT and Eastern and Southeastern NV as a result of a large upper level trough moving East by SE off the CA coast with its Southernmost boundary adjacent to the central Baja, CA coast. Meanwhile, upper level winds are moving from the NW over the inner to middle Aleutians into a very large trough moving East by SE across the Gulf, and forcing a lengthy system ahead of it over extreme NW, central and Northwestern BC, SE AK, the Queen Charlottes, and nearing the NW tip of Vancouver Island in addition to forcing two narrow bands of energy (in a NE to SW plane) over the central portion of Vancouver Island. Mid afternoon weather for 2/26-temperatures are in the low to mid 40's, BP 29.89"R along with light air movement from the NE. Current conditions for 2/27-a cool though mostly sunny morning (scattered Cumulus), light to moderate haze, no pecipitation during the overnight, and light air movement. It is from the West at 2-5 mph, wind puff: out of the West to 9 mph, humidity 54%, dew point 13° {yesterday, the readings were 64% and 19° respectively}, current snow level is near 1500', observation time temperature 29.5°, and the barometric pressure 30.08" and rising. |
| 2/28/2012 |
5:54 AM |
0.00 |
0.0 |
M |
0.0 |
M |
As yesterday's very large trough was moving East by SE across the Gulf and forcing a lengthy system ahead of it over SE AK, extreme NW, central and Northwestern BC, as well as nearing the NW tip of Vancouver Island, two moderate sized pieces of "energy" united and simultaneously moved East by SE within this trough until adjacent to the coasts of WA and OR (now moving East by NE) where it further developed into an upper level low with its center over the ocean West of the Southern Queen Charlottes. Behind this system, strong upper level winds are flowing from the NW over Kodiak Island (or down the NE side of a ridge of high pressure) into an upper level trough which is forcing the system ahead of it in a East by NE direction over the Queen Charlottes, the central and SW coasts of BC, Vancouver Island, Western WA and OR as well as NW CA. In addition, one model shows scattered precipitation over NW OR while a much larger band of precipitation is moving NE over extreme Western WA including the West side of the Olympic Peninsula. Another model shows the possibility of heavy snow on the Northern Cascades of WA, the Olympics, Southern Cascades of OR, and the Siskiyou's of CA. Mid afternoon weather for 2/27-scattered Cirrus, Contrails, and lower level Cumulus on an otherwise gorgeous but cool sunny afternoon. Temperatures are in the upper 30's to low 40's, BP 29.96"R along with light air movement from the NE and a spectacular view of Glacier Peak! Current conditions for 2/28-an Altostratus overcast, no precipitation during the last 24, light to moderate haze, and very little by way of air movement. It is from the WNW at 0-2 mph, wind puff: out of the NW to 7 mph, humidity 78%, dew point 22° {yesterday, the readings were 54% and 13° respectively}, current snow level is near 500', observation time temperature 28.4°, and the barometric pressure 29.82" and falling. |
| 2/29/2012 |
5:40 AM |
0.28 |
3.9 |
0.28 |
3.9 |
0.28 |
The amount recorded above occurred yesterday between the late afternoon and evening hours. Mid afternoon weather for 2/28-a thick Altostratus duplicatus overcast, temperatures are in the upper 30's to low 40's, BP 29.69"F along with light air movement from two directions: the South and SE. Current conditions for 2/29-an Altostratus semi-transparent overcast, scattered Cumulus and patchy fog. There has been no precipitation during the overnight, and again, very little by way of air movement. What there is, comes from the SSE at 0 mph, then from the East at 0-4 mph, humidity 90%, dew point 29° {yesterday, the readings were 78% and 22° respectively}, current snow level is near 500', observation time temperature 32.1° and the barometric pressure 29.44" and falling. Here are some EOM Stats for February- 1) total rain/snow in inches: 0.71" (or 76% of average), [since last year,a month of above average precipitation was usually followed by a month of below average precipitation with one month not receiving any precipitation at all-August] 1a) the actual average precipitation for February: 0.94", 2) number of days of no precipitation: 20, 3) high BP: 30.29" on 2/02, 4) low BP: 29.44" on 2/29, 5) date with low BP and no precipitation: 29.76" on 2/13 and 2/20, 6) date with high BP and precipitation: 30.24" on 2/09 (0.02"), 7) average BP: 29.95", 8) average morning temperature: 34°, 8a) actual average temperature for February: 35.1°, 9) high morning temperature: 42.3° on 2/22, and 10) low morning temperature: 25.5° on 2/06. |
| 3/1/2012 |
5:24 AM |
0.00 |
0.0 |
M |
M |
M |
Drier air (with a surface high pressure over SW BC) is moving East by SE over Western BC, Vancouver Island, Western WA and OR, Northeastern CA, Northwestern NV and is forcing a moist system ahead of it in an Easterly direction over the Eastern third of OR, most of ID and Western MT (where, interestingly, a surface low pressure is located over extreme NW MT just East of the Northern panhandle of ID) and the Western third of WY. Meanwhile, a very large area of drier air is circulating SE around the outer Aleutians then turning East by NE South of and parallel to the Aleutians and appears to be responsible in forcing a system ahead of it East by NE over SW and Southern AK before turning SE over SE AK, extreme NW and Northwestern BC, the Queen Charlottes the central coast of BC and NW Vancouver Island. Although an upper level ridge of high pressure occupies the entire Gulf region with the NE side moving over Southern SE AK, the Queen Charlottes and the central coast of BC, it appears just close enough to be influential. There are indications that it should move over the area (WA) sometime tomorrow and remain through the up-coming week-end. Current conditions for 3/01-mostly clear skies (widely scattered Cumulus), light haze, no precipitation in the last 24, along with light air movement. It is from the WNW at 4 mph, wind gust: out of the NW to 11 mph, humidity 75% {yesterday, the reading was 90%}, dew point 25°, current snow level is near 1000', observation time temperature 30.9°, and the barometric pressure 29.65" and rising. |
| 3/2/2012 |
5:34 AM |
0.00 |
0.0 |
M |
0.0 |
M |
What snow is left from the storm of 2/28 is in the shaded areas and what was shoveled. An upper level trough (located well South of the Aleutians contains mostly drier air though with the driest air along the Southernmost boundary) is "diving" South and moving East by SE with the upper winds circulating SE over the outer Aleutians before turning quickly and sharply East by NE over the Gulf, Kodiak Island, the Kenai Peninsula, SE AK, Southern tier of the Yukon, extreme NW and Northwestern BC and the Northern half of SE AK. Meanwhile, a lengthy, narrow, and moist "pineapple-express" like system (with its origin NW of HI) extends NE over the ocean with the NW side featuring a knife-edge as a result of the drier air mentioned above. In addition, it appears to be cresting an upper level ridge of high pressure (with its axis over SE AK and just West of the Queen Charlottes) as the clouds associated with this system begin the descent down the NE side over SW to Southern and the central coast of BC {where one model shows the possibility of heavy snow on the coastal mountains of SW BC, and the Northern Cascades of WA} and Vancouver Island with some of the energy extending SE over NW to Southern WA and the Northern middle third of OR. Mid afternoon weather for 3/01-mostly clear (widely scattered Cumulus)on an otherwise cool but gorgeous winter afternoon. Temperatures are in the upper 40's to low 50's, BP 29.89"R along with light air movement from the NW. Current conditions for 3/02-an Altostratus overcast with scattered lower level Cumulus, light haze, no precipitation in the last 24, and very little by way of air movement. It is from the East at 1-2 mph, wind puff: out of the ENE to 5 mph, humidity 67%, dew point 26°, current snow level 1000' rising to near 2000' by this afternoon, observation time temperature 33.3°, and the barometric pressure 30.11" and rising. |
| 3/3/2012 |
5:47 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although high pressure is at the surface (with its center over the ocean off the Northern CA coast) and aloft over WA, OR, ID and most of BC {with the ridge axis over central Vancouver Island and simultaneously near the coasts of WA and OR}, the position of yesterday's lengthy, narrow and moist "pineapple express" like system appears to have changed little since yesterday and continues to feature a knife-edge as very dry air is diving East by SE before turning SW toward HI while drier air is moving East by NE over the middle to inner Aleutians, SW AK, the Gulf, SE AK and Northern BC. In addition, it is believed that this "system" has separated into two parts with the first cresting and beginning to slide down the NE side of this upper level ridge over central to SE Alberta and MT, central to SE BC with a larger part of this energy extending South over Eastern WA (except for the NE portion) and NE OR. Meanwhile, the second part of the "system" is attempting to ascend the relatively steep NW side of the upper level ridge; but at this point, it appears that it will not quite make it to or over the crest. Mid afternoon weather for 3/02-a Cirrostratus overcast besides scattered Altostratus and lower level Cumulus. Temperatures are in the upper 40's to low 50's, BP 30.06"R along with light air movement from the SE. Current conditions for 3/03-overcast with very fine precipitation, and very little by way of air movement.It is from the WSW at 1-4 mph, wind puff: out of the SW to 5 mph, humidity 69%, dew point 32°, current snow level is near 4500', observation time temperature 37.8°, and the barometric pressure 30.02" and falling. |
| 3/4/2012 |
5:47 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The lengthy "pineapple express" of the past few days has undergone a few changes during the last 48 hours when during that time, it extended NE across the ocean (with its origin NW of HI), separated into two parts with the first (the only "part" of concern at this time) cresting and beginning to slide down the NE side of an upper level ridge of high pressure over central to SE Alberta and MT, central to SE BC with the larger part of this energy extending South over Eastern WA {except for the NE part} and NE OR. Although it continues to maintain a relative steep NE trajectory (due to the upper level ridge of high pressure over WA, OR, ID and most of BC) over most of the Queen Charlottes, the NW tip of Vancouver Island, Southwestern to North central BC and North central Alberta, it is actually moving East by SE either because of drier air moving East by NE (along its NW side) over the Gulf, SE AK and the Northern tier of BC, or a cold front moving SE over the Northern half of the Queen Charlottes at this time
thereby continuing to give it the knife-edge appearance. The other change is to the Southern half of the "express" as it struggles around the Southeastern boundary of a relatively large "trough" of very dry air. Mid afternoon weather for 3/03-Cirrostratus and partial clearing to the South, Altostratus toward the East and scattered Cumulus on a mild winter afternoon. Temperatures are in the low to mid 50's, BP 30.02"S along with light air movement from the NE. Current conditions for 3/04-clear skies, light haze, no precipitation in the last 24, along with some air movement. It is from the West at 3-4 mph, wind gust: out of the West to 11 mph, humidity 74%, dew point 35°, current snow level is near 6000', observation time temperature 35.8°, and the barometric pressure is 30.04" and falling. |
| 3/5/2012 |
5:42 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The stranglehold of the lengthy and moist "pineapple express" has finally broken; although there appears to be two remaining remnants the first of which is moving East by SE over the SE half of Vancouver Island, Southern BC and Alberta, Western and the Eastern third of WA respectively with some of this energy extending SW over the Western third and the Northern middle third of OR. This directional movement mentioned above is due to a relatively large upper level trough which contains drier air moving East by SE over SE AK, the Queen Charlottes, the central coast of BC and the NW tip of Vancouver Island while the driest air is moving SE over the SE half of Vancouver Island and simultaneously nearing the coasts of WA and OR. AT this point, one model shows a cold front moving South by SE over SE Vancouver Island, and NW WA (the Olympic Peninsula), low pressure over SW and SE BC, and the possibility of heavy snow in extreme SW BC {the Giribaldi Provincial area}, and SE BC, the Cascades of WA and OR, as well as Southwestern Alberta and NW MT. The second remnant is over most of HI; although its "clouds" appear to be highly influenced as they attempt to conform to the counterclockwise rotation of an upper level low immediately to the NE. Current conditions for 3/05-mostly clear skies (scattered Cumulus-though it appears to be snowing on or near Mission Ridge to the SW), light haze, no precipitation in the last 24, and very little by way of air movement although it has picked-up in the last two hours. It was from the East at 0-5 mph, wind gust: out of the ENE to 14 mph, humidity 50%, dew point 30°, current snow level is 3000' lowering to 1000' by sometime this afternoon, observation time temperature 40.6°, and the barometric pressure 29.54" and falling. |
| 3/6/2012 |
6:07 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although WA and OR are not experiencing much by way of "weather" this morning, a large upper level trough containing drier air is moving East by SE over WA, OR, the Northern panhandle of ID and NW MT with the driest air moving SE over Northern to Southern CA (near the San Luis Obispo area). With the upper level ridge of high pressure that was over the area (WA) last week-end now well East of the region and another, though much stronger ridge of high pressure over the Gulf and an upper level trough between the two "high pressures", what is giving this area mostly clear skies? It would appear that the drier air over the area would be a possibility as the "stronger high pressure" mentioned above is not yet close enough to be influential; although there are indications that it is moving slowly East and should arrive over the area sometime tomorrow and remain through the latter part of the work-week. Mid afternoon weather for 3/05-mostly clear skies ( scattered Cumulus) on an otherwise very pleasant winter afternoon. Temperatures are in the mid to upper 50's (or, about 5-10 degrees cooler than yesterday at this time), BP 29.43"F along with a light breeze from the West. Current conditions for 3/06-mostly clear (scattered Cumulus), light haze, no precipitation in the last 24, and light air movement. It is from the WNW at 4-7 mph, wind gust: out of the NW to 15 mph, humidity 58%, dew point 20°, current snow level is near 300', observation time temperature 33.3°, and the barometric pressure 29.75" and rising. |
| 3/7/2012 |
5:23 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although there appears to be no active weather over BC, WA, OR, ID and Northern CA (due to a nice ridge of high pressure), drier air is over the states mentioned above with the driest air over the interior of CA from the Bay area to Southern CA. A robust "pineapple express" has developed once again (with its origin over HI) and extends in a steep NE angle over the ocean before turning North over the Gulf, SE AK, the Southern tier of the Yukon, NW and Northern BC before finally turning SE over Southwestern Alberta. West of its "origin" is a rather large and interesting wave (by way of position) in which the bulk is located within three groups of islands-Wake Island to the NW, Marshall Islands to the SW and the Midway Islands to the NE. In addition, a relatively large "system" {appearing to accompany the "express"} is moving East by SE over the Southern half of SE AK, the Queen Charlottes, the central and SW coasts of BC (with some energy just NW of WA and spreading clouds over Western Whatcom county) and most of Vancouver Island. Mid afternoon weather for 3/06-mostly clear (scattered Cumulus). Temperatures are in the mid to upper 40's, BP 29.93"R along with a sustained and very cold breeze out of the NW and additional cool air movement mainly from the NE and SW. Current conditions for 3/07-mostly clear (scattered Cirrus-along with an immense halo!), light haze, no precipitation in the last 24, and very little by way of air movement. It is from the West at 1-2 mph, wind gust: out of the WNW to 13 mph, humidity 40%, dew point 14° {yesterday, the readings were 58% and 20° respectively}, current snow level is near 2000', observation time temperature 33.6°, and the barometric pressure 30.11" and rising. |
| 3/8/2012 |
6:01 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 3/07-from mostly clear skies this morning to an Altostratus overcast (except to the East where a Cirrostratus overcast is the dominant cloud type. Temperatures are in the low to mid 50's, BP 30.16"R along with light air movement mainly from the South and SE. Current conditions for 3/08-mostly cloudy (Cirrus, Cirrostratus and scattered Altocumulus), light to moderate haze, no precipitation in the last 24, and very little by way of air movement. What there is, comes from the North at 1-4 mph, wind puff; out of the NNW to 8 mph, humidity 81%, dew point 25° {yesterday, the readings were 40% and 14° respectively}, current snow level is near 8000' (yesterday, it was near 2000'), observation time temperature 32°, and the barometric pressure 30.25" and rising. |
| 3/9/2012 |
5:37 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The robust "pineapple express" of 48 hours ago that had its origin over HI, and extended NE over the ocean before turning North over the Gulf, SE AK then East over the Southern tier of the Yukon, NW and Northern BC has since undergone some changes. The first being that it has moved well to the SE since mid-week and appears to have separated into two entities with its "origin" now an upper level low with its center NE of Kaua'i, HI while the "head" (still sustaining moisture) is moving East by SE over
Vancouver Island, Southern BC {with some of this energy extending SW over WA which includes the NE to the central portion and the NW to the SW section}, most of Alberta (except for the NW portion) and Saskatchewan before turning SE over Manitoba [or down the NE side of a high pressure ridge over Alberta and Saskatchewan]. In addition, a very lengthy and narrow "river" of very dry air moving East by SE extends NE along its entire NW side over Northern BC, NW Alberta and the NW portion of Vancouver Island. And finally, another change is an immense pool of very dry air over most of CA, SW to NE OR (which is along its East and SE sides) with the bulk extending SW over the ocean. Current conditions for 3/09-a mid level overcast (with partial clearing in the West and North), light to moderate haze, no precipitation in the last 24, and very little by way of air movement. It is from the West at 2-4 mph, wind puff: out of the WNW to 4 mph, humidity 78%, dew point 29°, current snow level is near 6000', observation time temperature 36.3°, and the barometric pressure 30.02" and falling.
|
| 3/10/2012 |
5:44 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although it doesn't appear much is happening by way of weather for the time being, upper level winds are flowing from the NW over the inner to middle Aleutians into the bowels of an upper level trough (South of the Gulf and moving East by NE) and as a result, is forcing one relatively small "system" North over the Northern half of SE AK and extreme Northwestern BC and another one over the Southern half of SE AK, NW and Northern BC, the Queen Charlottes and simultaneously nearing the central coast of BC and the SW coast of Vancouver Island. Behind this upper level trough however, is a relatively large system moving East by SE (over the outer Aleutians) as it moves down the gentle NE side of a high pressure ridge into the upper level trough mentioned above. This one is expected to pack quite a punch (late Sunday night through Monday} with wind, rain, and snow as one model shows heavy snow for the Cascades of WA (18"-24"-though with much lighter amounts in Eastern WA) and 10"-16" for the Cascades of OR. Mid afternoon weather for 3/09-a chaotic sky (scattered Cirrus,Cirrostratus, and Altocumulus) with temperatures in the upper 40's to low 50's, BP 29.82"F and light air movement mainly from the North and NE. Current conditions for 3/10-an Altostratus overcast and scattered lower level Cumulus, light to moderate haze, no precipitation in the last 24, and very little by way of air movement. It is from the North at 2-3 mph, wind puff: out of the NNE to 8 mph, humidity 69%, dew point 35°, current snow level is near 3500' [yesterday, it was near 6000'], observation time temperature 39°, and the barometric pressure 29.62" and falling. The next report will be on 3/12/12 as we will be out of town tomorrow. |
| 3/12/2012 |
5:35 AM |
0.00 |
0.0 |
M |
0.0 |
M |
A very strong, moist, and relatively large upper level low (the center of which is over the ocean well West of the Queen Charlottes) has very tight pressure gradients with the Southernmost boundary adjacent to the Northern CA coast is moving East by NE over Vancouver Island, most of Southern BC, WA, and most of OR. Upper level winds are moving over the inner Aleutians from the NW and down the steep NE side of a weak high pressure ridge {with its apex over the Bering Sea just beyond the inner Aleutains} into the bowels of the upper level low before turning NE over Vancouver Island, WA and OR. The result of this action, is forcing the "head" of the upper level low in a Northerly direction over the central coast and Northern BC while the outer bands are moving over the Queen Charlottes and nearing SE AK. Current conditions for 3/12-a Nimbostratus overcast in the form of light rain in the lower elevations and snow above 1500'. The winds are from the East at 9-14 mph, wind gust: out of the ESE to 29 mph, humidity 89%, dew point 29°, current snow level is near 1500', observation time temperature 36°, and the barometric pressure 29.54" and rising. |
| 3/13/2012 |
5:33 AM |
0.05 |
0.0 |
M |
0.0 |
M |
Yesterday's precipitation total is shown above. With no high pressure directly over the area, the present "nice weather" may be due to the influence of weak high pressure just East of the region (WA) and dry air over the middle third of WA. Yesterday's very strong, moist, and relatively large upper level low that featured very tight pressure gradients, a Southernmost boundary over the ocean but adjacent to the coasts of Southern OR and Northern CA is now an upper level trough and moving East by NE over central and Southern BC, the middle third of WA and Northern (East of The Dalles) to Southwestern OR. The result of this action is forcing yesterday's "system" (which was responsible not only for the snow and rain in the area) but also what now appears to be two entities with the larger one moving East by NE over Western and Southwestern Alberta, SE BC, the Northern panhandle of ID, Eastern third of WA, and Northeastern to Southwestern OR while the smaller one is moving East by SE over Northern and Southern CA (Monterey Bay area). Mid afternoon weather for 3/12-a Nimbostratus overcast in the form of a light rain. Temperatures are in the upper 30's to low 40's, BP 29.31"F along with light air movement mainly from the NE and NW. Current conditions for 3/13-mostly clear (some scattered Cumulus), light haze, along with some light wind. It is from the West at 2-7 mph, wind gust: out of the West to 25 mph, humidity 49%, dew point 21° {yesterday, the readings were 89% and 29° respectively}, snow level is near 500', observation time temperature 39.9°, and the barometric pressure 29.15" and falling. |
| 3/14/2012 |
5:47 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 3/13-mostly cloudy (scattered Cirrus, Cirrostratus, Altocumulus and lower level Cumulus) with partial clearing in the East and from the NW to the NE and intermittent snow showers on the higher peaks and ridges to the West and SW. Temperatures are in the upper 40's to low 50's, BP 29.45"R along with air movement from the SW. Current conditions for 3/14-a thicker Altostratus overcast although it is snowing on Twin Peaks to the West and Mission Ridge to the SW. The haze is light to moderate, no precipitation in the last 24, and very little by way of air movement. It is from the West at 0-1 mph, then from the North at 1 mph, humidity 76%, dew point 26° {yesterday, the readings were 49% and 21° respectively}, snow level will be at 2000' by this afternoon, observation time temperature 35.8° and the barometric pressure 29.72" and rising. |
| 3/15/2012 |
5:30 AM |
0.07 |
0.0 |
M |
0.0 |
M |
The amount shown above was recorded yesterday (3/14/12). One model shows a very moist occluded front {the center of which is located South of the Queen Charlottes} moving East by NE with the occluded portion moving North by NE toward the Queen Charlottes but over the Northern section of SW BC and Vancouver Island. The warm front segment of this occluded front is moving East by SE over extreme Western WA and OR while the cold front is pursuing a South by SE direction near the coasts of WA and OR. Meanwhile, an elongated pool of colder, drier air is flowing over and around the Aleutians before turning East and forcing a "system" ahead of it over Southern BC, most of WA, Western and the Eastern third of OR and Northern and Northwestern CA. However, it does appear to be bringing a fair amount of moisture to Western WA, and NW OR with less intense amounts in the Eastern third of WA while the middle third is not receiving any precipitation at the present time. In addition, another model shows the possibility of heavy snow on the coastal mountains of SW BC, Southeastern BC, the Cascades of WA as well as the Cascades of central OR. Mid afternoon weather for 3/14-temperatures are in the mid to upper 30's, BP 29.69"R along with a light breeze mainly from the North though occasionally from the NW. Current conditions for 3/15-mostly cloudy with patchy fog on a partly sunny morning, light to moderate haze, and very little by way of air movement. It is from the West at 0-2 mph, wind puff: out of the WSW to 6 mph, humidity 96%, dew point 34° (yesterday, the readings were 76% and 26° respectively), current snow level 5000', observation time temperature 38.3°, and the barometric pressure 29.55" and falling. |
| 3/16/2012 |
5:31 AM |
0.01 |
0.0 |
M |
0.0 |
M |
The amount shown above was recorded yesterday (3/15). The moist upper level low of yesterday, appears to have separated into two rather large entities with the first having moved slightly East but more SE since yesterday, and is now over Western MT, ID, NV (except for the SE portion), most of CA (except for the LA region South toward the CA/Baja border), Northwestern and the Eastern third of WA, as well as most of OR. Cooler, drier air is flowing over the middle to outer Aleutians from the NW (or down the NE side of a weak high pressure ridge with its apex well South of the outer Aleutians) before turning basically East thereby forcing the upper level low ahead of it over the areas mentioned above. However, on the NE side of the upper level trough, some "energy" is moving NE over Vancouver Island, SW and central BC as it conforms to the NAM Model flow pattern (SW to NE). Mid afternoon weather for 3/15-scattered Cirrus, a large deck of Altostratus and scattered lower level Cumulus on a partly sunny afternoon. Temperatures are in the upper 40's to low 50"s, BP 29.43"F along with light air movement from the South. Current conditions for 3/16-a large deck of Altocumulus in the East while in the West and South it is partly cloudy (Cumulus), light to moderate haze, no precipitation in the last 24, and very little by way of air movement. It is from the North at 0 mph, wind gust: out of the NNW to 10 mph, humidity 96%, dew point 34°, current snow level is near 2500' (yesterday, it was 5000'), observation time temperature 38.7°, and the barometric pressure 29.44" and falling.
|
| 3/17/2012 |
5:33 AM |
0.39 |
T |
M |
T |
M |
Mid afternoon weather for 3/16-scattered Cirrus, Cirrostratus, and lower level Cumulus on a mostly cloudy afternoon though with partial clearing in the South and NE. Temperatures are in the mid to upper 50's, BP 29.45"F along with light air movement from the South. Current conditions for 3/17-earlier this morning, some of the precipitation was in the form of a rain/snow mix. It is mostly cloudy with patchy fog, and, at the present time, very little by way of air movement although it is coming out of the West at 4 mph, wind gust: out of the ESE to 15 mph, humidity 100%, dew point 32°, current snow level is near 1500' (yesterday, it was near 2500'), observation time temperature 38.1°, and the barometric pressure 29.20" and falling. |
| 3/18/2012 |
5:33 AM |
0.00 |
0.0 |
M |
0.0 |
M |
High pressure is over the Midwest and three Provinces including Alberta, Saskatchewan, and Manitoba while another ridge of high pressure is both at the surface (with its center NE of HI) and aloft with its apex just South of Kodiak Island and the inner Aleutians. The focus will be on the latter ridge of high pressure (which is moving slowly East-and there are indications that it will continue to do so for the next day or two) for the time being. Upper level winds appear to be flowing down the NE side of this upper level ridge before turning sharply SE into the bowels of an upper level trough (moving East by NE) with relatively tight pressure gradients {the Southernmost boundary is now over Northern Baja and SW AZ} then turns North over UT and most of ID. It is believed that the combination of the upper level winds and the steep West side of the high pressure over the mid West is contributing to "weather flowing" North over Eastern AZ and NM, UT, CO, ID, NE OR, Eastern WA, Southwestern and Eastern MT then commences to turn NE over Southern Alberta and Saskatchewan as it rode up the steep West side and crested the high pressure over the mid West. Mid afternoon weather for 3/17-mostly cloudy (scattered Cirrus, Cirrostratus, and lower level Cumulus) with partial clearing in the NW and from the NE to the SE. Temperatures are in the upper 40's to low 50's, BP 29.33"F along with light air movement from the SW. Current conditions for 3/18-scattered Cirrostratus and lower level Cumulus, light to moderate haze, no precipitation in the last 24 and very little by way of air movement. It is from the WNW at 1-2 mph, then from the West at 2 mph, wind puff: out of the NW to 5 mph, humidity 88%, dew point 26° (yesterday, the readings were 100% and 32° respectively), current snow level in the passes is near 400', observation time temperature 33.4°, and the barometric pressure 29.44" and rising. |
| 3/19/2012 |
5:35 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although dry air is currently in a NW to SE plane from SW BC and moving East by NE over Eastern WA, extreme Eastern and Northeastern OR, central NV and Southern NE CA (near the NV and AZ borders), moister air is also moving East by NE behind the dry air (mentioned above) over Western WA, most of OR and CA as well as Western NV. This "action" is likely due to a ridge of high pressure {that weakened somewhat since yesterday when high pressure was at the surface- with its center NE of HI-and aloft-with its apex South of Kodiak Island and the inner Aleutians} that since yesterday has continued its Eastward movement and is now close enough to the West coast to be influential. As a result, it is moving everything ahead of it East by NE including both the dry and more moist air and the now immense upper level trough. How immense? The SW side of this ult is over most of and parallel to CA while its Southernmost boundary is over most of Baja and Northern Mexico (that features relatively tight pressure gradients) before turning NE by North up its lengthy East side over OK, KS, NE, the Dakotas and extreme Southeastern Sawkatchewan. WOW! Mid afternoon weather for 3/18-partly cloudy (scattered Cirrus, Cirrostratus, Altocumulus, and Cumulus) on an otherwise very pleasant afternoon. Temperatures are in the low to mid 50's, BP 29.38"F along with slight air movement from the NW. Current conditions for 3/19-mostly clear {scattered Cirrus, Cirrostratus and Cumulus}, light haze, no precipitation in the last 24, and light wind. It is from the West at 3-15 mph, wind gust: out of the WNW to 13 mph, humidity 44%, dew point 15° (yesterday, the readings were 88% and 26° respectively), current snow level is near 1500' (yesterday, it was near 400'), observation time temperature 37.6°, and the barometric pressure 29.64" and rising. |
| 3/20/2012 |
5:45 AM |
0.01 |
0.0 |
M |
0.0 |
M |
An upper level low, an "express" of sorts, a large pool of drier air, and weak high pressure. How do these relate? An "express" of sorts with its origin over and South of the Midway Islands extends NE across the ocean and is approaching the coasts of Southern WA and OR. A large system ahead of it is moving East by SE over SE BC, NW to SW MT, OR, most of ID (except for the SE) and WA. Meanwhile, cooler and drier air is flowing SE over the Aleutians from the NW and fanning out in the process with the SW side moving SW into an upper level trough while the bulk of it is moving East by SE and forcing the "express" mentioned above to the SE. Between the "express" to the South, and the upper level low to the North over the Queen Charlottes, the cooler drier air, now moving East, narrows to a channel before turning NE over Vancouver Island. This flow pattern is congruous to the NPJ (SW to NE). As a result, it is forcing the band of clouds associated with the upper level low East by NE over NW to SE Alberta. Current conditions for 3/20-an Altostratus overcast along with widely scattered Cumulus, light haze in addition to some light air movement. It is from the SSE at 2-4 mph, wind gust: out of the SE to 12 mph, humidity 85%, dew point 34° {yesterday, the readings were 44% and 15° respectively}, current snow level is near 2500' [yesterday, it was near 1500'], observation time temperature 39.9°, and the barometric pressure 29.41" and rising. |
| 3/21/2012 |
5:50 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Some interesting events have occurred with the"express" in the last 24 hours. First of all, the main "body" appears to have almost separated from its origin (that has since appears to have taken on the characteristics of a wave) which is still over and South of the Midway Islands. In addition, the air flow pattern is from the SW over WA, OR, ID and MT and, as a result, the main body is streaming NE and simultaneously moving East by SE over the ocean, SW to Northern OR, the Southern half of WA, the Northern panhandle of ID and NW MT. This East by SE movement is more than likely caused by a very large pool of drier air (also moving East by SE) moving over Vancouver Island, the Northern half of WA and Southern BC (near the WA border) with the dry air (well West of the Baja coast)moving East by SE and looks to be responsible for nearly separating the main body from its origin and pushing the Southern end of the main body in an Easterly direction. Mid afternoon weather for 3/20-an Altostratus overcast in the West although it was snowing fairly hard on or near Mission Ridge to the SW and looked rather ominous in appearance from the
West to the NW. In the East however, it was partly cloudy (scattered Cirrus, Cirrostratus, Altocumulus and Cumulus). Temperatures are in the upper 40's to low 50's, BP 29.61"R along with light air movement from the NW. Current conditions for 3/21-overcast (Cirrus and Cirrostratus-along with an immense halo!) though there is partial clearing to the NW, light haze, no precipitation in the last 24, and light air movement. It is from the WNW at 4-7 mph, wind gust: out of the NW to 11 mph, humidity 84%, dew point 29°, current snow level is near 1000' [yesterday, it was near 2500'], observation time temperature 35.4°, and the barometric pressure 29.79" and rising. |
| 3/22/2012 |
6:19 AM |
0.03 |
0.0 |
M |
0.0 |
M |
Drier air continues to move East by NE over Vancouver Island, Southern BC, Alberta, Saskatchewan, the Northern half of WA and most of MT as the "express" is presently flowing in an East by NE pattern over SW to NE OR (near the vicinity of Hermiston), SW to Eastern WA (near the Spokane area) and the central panhandle of ID before both the drier air {over and SW of Vancouver Island} and the "express" begin shifting North. As far as the "express" is concerned, the Northward movement appears to be the result of its riding up and cresting a weak ridge of high pressure (which, by the way, is close enough to our area-WA-to be influential) while the drier air (over and SW of Vancouver Island) is moving North forcing clouds/energy ahead of it over the Queen Charlottes, the Northern central coast of BC and simultaneously moving West by NW toward and over the Gulf. This flow pattern (North) is congruous to the NPJ, GFS, and NAM models as well as an upper level low {with the Eastern end just West of the Queen Charlottes and the NW end over the Gulf and SE of the Kenai Peninsula and Kodiak Island} which appears to account for the West by NW flow pattern. Mid afternoon weather for 3/21-a semi-transparent Altostratus overcast, snow has begun to fall on or near Mission Ridge to the SW, temperatures are in the upper 40's to low 50's, BP 29.76"R along with light air movement from the NW. Current conditions for 3/22-mostly clear skies {scattered Cumulus}, light haze, along with light air movement. It is from the WNW at 5-7 mph, then from the East at 1-3 mph, humidity 94% ( yesterday, the reading was 84%), dew point 32°, current snow level is near 1000' rising to 1500' by this afternoon, observation time temperature 38.3°, and the barometric pressure 29.67" and rising. |
| 3/23/2012 |
5:15 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The "kidney bean" shaped upper level low with its East end just West of the Queen Charlottes and the NW end very near the coasts of Kodiak Island and the Kenai Peninsula, not only has shifted SE from yesterday's location (mentioned above), but also has separated into two upper level low's within an upper level trough. Its Southernmost boundary is now adjacent to the Southern CA/Baja border. The smaller of the two is circulating SW to NE over Southern SE AK and the Northern half of the Queen Charlottes with its center over the ocean and West of the Queen Charlottes while the larger one (with somewhat of an oblong contour) is also circulating over the ocean, and adjacent to the coasts of WA (as is its center) and OR. There are indications however, that this upper level low will continue its Southerly direction for the next few days before turning inland over Southern CA early next week and commence to take an East by NE journey across the country {weakening in the process} only to reemerge as an upper level low over NE SD. Mid afternoon weather for 3/22-from mostly cloudy earlier in the day, to mostly clear later in the morning, to a Cirrostratus overcast (accompanied by a huge halo!) and scattered Cumulus mainly from the West to the South. Temperatures are in the low to mid 50's, BP 29.79"R along with light air movement from the South, though occasionally from the NE. Current conditions for 3/23-scattered Cumulus on an otherwise mostly sunny morning, light haze, no precipitation in the last 24, and light air movement. It is from the West at 5-6 mph, then from the WNW at 5 mph, wind gust: out of the WNW to 10 mph, humidity 81% (yesterday, the reading was 94%), dew point 27°, current snow level is near 2000', observation time temperature 35.1°, and the barometric pressure 29.83" and rising. |
| 3/24/2012 |
5:32 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Yesterday's larger upper level low (with somewhat of an oblong contour) that was circulating counterclockwise over the ocean and adjacent to the coasts of WA (as was its center) and OR, has continued its Southern journey with the Eastern and Northeastern sides circulating counterclockwise over NW CA and SW OR while its center (still over the ocean) is now West of Northern CA {the Eureka area}. Meanwhile, on its North side, "energy" is attempting to conform to the counterclockwise rotation but appears to be weakening in the process while just to the East, more clouds/energy are moving North over the Bay area to NE CA, Southern to NE OR, SW to Northeastern and Southeastern WA before turning North by NE over SE BC, most of ID (except for the Southern portion) and Western MT. The flow pattern the clouds/energy are taking appears to be due in part to riding up and cresting a weak ridge of high pressure over MT, ID and most of WA as well as the NPJ, GFS and NAM models (South to North). Mid afternoon weather for 3/23-increasing clouds, especially in the West, where it is mostly cloudy and snowing lightly on Twin Peaks near the summit area. In the East however, it is partly cloudy (Cumulus). Temperatures are in the low to mid 50's, BP 29.84"R along with light air movement from the South. Current conditions for 3/24-mostly overcast (Altocumulus) except for partial clearing in the SW, no precipitation in the last 24, light to moderate haze, and very little by way of air movement. It is from the North at 4-5 mph, wind puff: is out of the NNW to 9 mph, humidity 77%, dew point 27°, current snow level is near 4000' rising to 5000' by this afternoon, observation time temperature 35.6°, and the barometric pressure 29.97" and rising. |
| 3/25/2012 |
5:30 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Yesterday's upper level low with the Eastern and Northeastern sides circulating counterclockwise over NW CA and SW OR while its center (still over the ocean) was West of Northern CA (Eureka area) continued its Southern journey with its Southernmost boundary now adjacent to central Baja, CA. Interestingly, this upper level low now features two centers, the first of which is over the ocean just West of NW CA (the Crescent City area) while the second, also over the ocean, is West of the Channel Islands. Meanwhile, clouds associated with this upper level low are moving North by NW from Southern CA (the Channel Islands) to Northern CA (Lake Tahoe vicinity) before turning NW over the Northern tier of CA, SW OR and over the ocean and coasts of WA and OR along with a spur over SW to NE WA. The reason for the North by NW direction (mentioned above) the clouds are moving is quite probably because the flow pattern is congruous to the Eastern and NE sides of the upper level low, and moving up the near vertical East side of the upper level trough, or, the West side of a weak ridge of high pressure over ID, MT, and most of WA and OR. Mid afternoon weather for 3/24-scattered Cirrus and Cirrostratus on an otherwise mostly sunny afternoon. Temperatures are in the upper 50's to low 60's, BP 29.78"F along with light air movement mainly from the NE though occasionally from the SE. Current conditions for 3/25-partly sunny (Altocumulus), light to moderate haze, no precipitation in the last 24, and light air movement. It is from the WNW at 5-10 mph, wind gust: out of the NW to 14 mph, humidity 76%, dew point 29°, current snow level is near 5000', observation time temperature 38.3°, and the barometric pressure 29.74" and falling. |
| 3/26/2012 |
5:29 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 3/25-partly cloudy (scattered Cirrus and Altocumulus) on an otherwise very pleasant spring afternoon. Temperatures are in the upper 50's to low 60's, BP 29.49"F along with slight air movement from the NE. Current conditions for 3/26-an Altostratus overcast with scattered lower level Cumulus, light haze, no precipitation in the past 24, and light air movement. It is from the WNW at 2-6 mph, wind gust: out of the NW to 19 mph, humidity 65%, dew point 35°, (yesterday, the readings were 76% and 29° respectively), current snow level is near 2500' {yesterday. it was near 5000'}, observation time temperature 44.1°, and the barometric pressure 29.47" and falling.
|
| 3/27/2012 |
5:29 AM |
T |
0.0 |
M |
0.0 |
M |
This "trace" occurred after the observation time listed above. SW of the Gulf is a moderately strong ridge of high pressure with its apex over the Bering Sea just North of the outer Aleutians. However, very dry upper level winds are flowing from the NW over the inner and middle Aleutians into the bowels of an upper level trough {within which is an upper level low laying in its side with the center over the ocean and West of the WA/OR border} moving East by NE at which point two changes take place. The very dry air (mentioned above) becomes more moist, and the direction now becomes NE by North which is congruous to the NPJ flow pattern as well as the GFS and NAM models (SW to North). The over all East by NE movement of this upper level trough is spreading clouds over Southwestern to Eastern and Northeastern NV, Western UT, Northern CA, OR, and most of WA. Is it bringing much by way of precipitation? One model shows four areas of shower activity including NW OR, the Olympic Peninsula, SE WA {Ritzville to Dayton/Waitsburg} and SE Vancouver Island. Mid afternoon weather for 3/26-overcast and light rain on or near Badger Mountain to the East. Temperatures are in the mid to upper 50's, BP 29.51"F along with slight air movement from the North. Current conditions for 3/27-overcast (Stratus and patchy fog), light haze, and very little air movement at the present time. It is however from the NNW at 1-3 mph, wind gust: out of the NNW to 14 mph, humidity 71%, dew point 30°, current snow level is near 3500' [yesterday, it was near 2500'], observation time temperature 42.3°, and the barometric pressure 29.67" and rising. |
| 3/28/2012 |
5:30 AM |
0.41 |
0.0 |
M |
0.0 |
M |
The amount of rain recorded yesterday occurred during the time frames indicated below. Just by way of interest, the upper level low that was adjacent to the coasts of WA and OR on 3/24, and continued its Southern march off the West coast before turning NE over Southern CA, is now moving East over SE Ontario toward SW Quebec! Yesterday's upper level trough continues East by NE as it is currently moving over WA, OR, and Northern CA with the driest air in a nice arc over Northern CA, and the Eastern third of OR and WA. The result of this NE movement is forcing "systems" ahead of it also NE over SW to Southern BC and most of Southern Alberta with some of the energy extending SE over Western MT, the Northern panhandle of and Southeastern ID, as well as the Eastern third of WA. Although the bulk of the "systems" (mentioned above) are moving NE, the
"clouds" over North central BC are moving North by NW over the Queen Charlottes and SE AK. Both of these flow patterns appear to be congruous to the GFS and NAM models (SW to NE before turning SE to NW). Mid afternoon weather for 3/27-a Nimbostratus overcast in the form of light rain and patchy fog. Temperatures are in the low to mid 40's, BP 29.61"R along with light air movement from the NW. Current conditions for 3/28-mostly cloudy (scattered Cirrus, Altostratus and lower level Cumulus), light to moderate haze, and light air movement. It is from the WNW at 2 mph, then from the South at 8 mph, wind puff: out of the NW to 9 mph, humidity 93%, dew point 40° { yesterday, the readings were 71% and 30° respectively}, current snow level is near 3000', observation time temperature 44.4°, and the barometric pressure 29.46" and falling.
|
| 3/29/2012 |
5:53 AM |
T |
0.0 |
M |
0.0 |
M |
Some cooler, drier air is flowing South by SW around the outer Aleutians into a small upper level trough or depression (due to weak ridging with its apex SW of the outer Aleutians) while the bulk is flowing SE over the middle to outer Aleutians before turning East by NE over Vancouver Island, the central coast of BC and the Queen Charlottes as this flow pattern is not only congruous to the NPJ, GFS and NAM models (a slight SW to NE flow), but also appears to be greatly influenced by an upper level low moving North toward SE AK (with its center over the ocean just West of the Queen Charlottes). This action is forcing clouds North over SE AK and extreme NW BC, then West over the Gulf and Southern and SW AK. There are indications however, that this upper level low will be over the Gulf area during the middle portion of the week-end. Meanwhile, this upper level low is spreading clouds and moisture over WA, OR, ID, Northwestern and the Northern tier of CA as well as most of Southern BC where one model shows the possibility of heavy snow in SE and the coastal mountains of SW BC and the Cascades of WA. Mid afternoon weather for 3/28-East of a North/South line, the skies were mostly cloudy (scattered Cirrus, Altostratus and Cumulus) except for some partial clearing in the South while it was very ominous in the West with precipitation in the form of rain or snow on or near the higher peaks and ridges. Temperatures are in the upper 50's to low 60's, BP 29.56"F along with light air movement from the NW. Current conditions for 3/29-overcast, light to moderate haze, and calm winds at the present time. They were from the East at 2-3 mph, wind gust: out of the East to 26 mph, humidity 75% (yesterday, the reading was 93%), dew point 37°, current snow level is near 3500', observation time temperature 48.2°, and the barometric pressure 29.51" and rising. |
| 3/30/2012 |
5:40 AM |
0.12 |
0.0 |
M |
0.0 |
M |
The bulk of cooler drier air continues to flow SE over the outer Aleutians into the bowels of an upper level trough (moving East by NE) where the driest air is situated before extending NE over the ocean and from SW to NE WA, most of OR and the Northern tier of CA. In between a small upper level trough (also moving East by NE) within the larger one on its NE side, and an upper level low over the Gulf with its center over the ocean and West of SE AK, a short "river" of this cooler, drier air is moving East by NE over the NW tip of Vancouver Island, the central coast of BC, Queen Charlottes and Southern SE AK. This flow pattern is congruous to the GFS and NAM models. Immediately to the SE, a system {with its bulk extending SW over the ocean} is streaming East by NE and spreading moisture/precipitation over Southern, Eastern and Southeastern WA, NW (Corvallis to Portland) and SW (Medford area) OR, and NW CA (Crescent City area). Mid afternoon weather for 3/29-overcast with low clouds and intermittent light rain showers {this is how yesterday's recorded precipitation-shown above- was acquired). Temperatures are in the upper 40's to low 50's, BP 29.31"F along with slight air movement from the NW. Current conditions for 3/30-a semi-transparent Altostratus overcast, light haze, and very little by way of wind at the present time. It was however from the North at 0-1 mph, wind gust: out of the North at 14 mph, humidity 91% (yesterday, the reading was 75%), dew point 39°, current snow level is near 3500', observation time temperature 45.1°, and the barometric pressure 29.29" and falling. |
| 3/31/2012 |
6:13 AM |
0.20 |
0.0 |
M |
0.0 |
M |
A weak ridge of high pressure over ID, MT, the Dakotas, and part of WA with the apex extending North over SE BC, Southern Alberta and Saskatchewan. An upper level trough over the ocean just South of the Gulf region and West of SE AK. Meanwhile, an upper level low (with its center over the ocean West of the OR coast-and featuring very tight pressure gradients) is moving East by NE and pushing everything ahead of it East by NE including a narrow river of very dry air (also moving East by NE over Northern CA and SW OR before turning NW and becoming more moist near the coasts of Northern OR and WA) and a system over Northern CA, Western OR and WA before turning NW over the ocean and Vancouver Island as well as SW and Southern BC. Is this a rain and snow maker? One model shows a low pressure off the central coast of OR in addition to a cold front moving East by SE over the coasts of SW OR and NW CA. There is also the possibility of heavy snow on the coastal mountains and Canadian Rockies of BC as well as SE BC, the Cascades of WA and OR, the Siskiyou's and Sierra Nevada of CA. Mid afternoon weather for 3/30-North of an East/West line is what appears to be scattered Cirrus, Cirrostratus and Cumulus while the South consists of an Altostratus overcast, and widely scattered Cumulus. Temperatures are in the low to mid 50,s, BP 29.43"F along with light air movement from the South. Current conditions for 3/31-a Nimbostratus overcast in the form of light rain, and not much by way of air movement at the present time. It was from the WNW at 0-2 mph, then from the West at 13 mph, wind gust: out of the NW to 15 mph, humidity 98%, dew point 33°, current snow level is near 3500', observation time temperature 43.3°, and the barometric pressure 29.43" and rising. |
| 4/1/2012 |
5:22 AM |
0.02 |
0.0 |
M |
0.0 |
M |
Yesterday, (between 6:13AM and 11:35AM) 0.20" had been recorded and in the space of an hour another 0.02" was recorded for a grand total of 0.22". Mid afternoon weather for 3/31-a thick, semi-transparent Altostratus overcast accompanied by scattered Cumulus, low clouds and fog, with occasional intermittent showers. Temperatures are in the mid to upper 40's, BP 29.32"F along with light air movement from the South. Current conditions for 4/01-scattered Cirrus, a large deck of Altostratus and widely scattered Cumulus, light haze, no precipitation in the last 24, and light air movement. It is from the West at 4-5 mph, wind gust: out of the WNW to 18 mph, humidity 74% (yesterday, the reading was 98%), dew point 32°, current snow level is near 2000' {yesterday, it was near 3500'}, observation time temperature 40.8°, and the barometric pressure is 29.47" and falling. Here are some interesting EOM stats for March- 1) total rain/snow: 1.30" (or, 203% of average), 2) number of days with no precipitation: 22, 3) high BP: 30.29" on 3/08, 3a) number of days where the BP was at or above 30.00": 6, 4) low BP: 29.15" on 3/13, 5) date with low BP and no precipitation: 29.15" on 3/13, 6) date with high BP and precipitation: 29.72" on 3/14 (0.07"), 7) average BP: 29.67", 8) average morning temperature: 38°, 9) high morning temperature: 48.2° on 3/29, and 10) low morning temperature: 30.9° on 3/01. |
| 4/2/2012 |
5:25 AM |
0.00 |
0.0 |
M |
0.0 |
M |
A relatively large wave that yesterday was North of HI or North by NE of the Midway Islands has undergone a dramatic change as it has now developed into a strong upper level low moving North toward the Gulf (with its center over the ocean and West of the Northern coast of the Queen Charlottes). It is very impressive in appearance with the GOES West satellite image clearly showing both the inner cloud bands rotating counterclockwise around the "eye" and also the "eye" itself. Meanwhile, an upper level trough moving East by NE and featuring tight pressure gradients (with the ull mentioned above near the NE end) is adjacent to the coasts of WA and OR and spreading clouds and moisture over Southern and SE BC, most of WA, OR and Northern CA while the clouds that are relatively "close" to the upper level low, are moving North by NW spreading clouds and moisture over NW and Northern BC thereby suggesting that the present flow pattern is congruous to both the GFS and NAM models. Mid afternoon weather for 4/01-mostly sunny (a small area of Altostratus to the SW, otherwise scattered Cumulus), on a very pleasant spring afternoon. Temperatures are in the upper 50's to low 60's, BP 29.76"R along with a light breeze from the South. Current conditions for 4/02-a Cirrostratus overcast although scattered Cirrus are visible as is an immense halo! light to moderate haze, no precipitation in the past 24, and very little by way of air movement. It is from the North at 0-1 mph, wind puff: also out of the North to 9 mph, humidity 79%, dew point 30°, current snow level is near 3000' (yesterday, it was near 2000'), observation time temperature 35.6°, and the barometric pressure 30.07" and rising. |
| 4/3/2012 |
6:03 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Yesterday's impressive upper level low with its center over the ocean and West of the Northern coast of the Queen Charlottes, has moved slightly NW over the Eastern Gulf (with its center over the ocean but now West of mid SE AK) though retaining its impressiveness in the process. However, by sometime tomorrow, one model has it retrograding SE (weakening in the process) with its center over the ocean just West of the Queen Charlottes. Mid afternoon weather for 4/02-mostly clear skies (scattered Cirrus, Cirrostratus, and Cumulus) on a very pleasant afternoon. Temperatures are in the mid to upper 50's, BP 30.15"R along with light air movement from the South. Current conditions for 4/03-mostly overcast (Altocumulus) with partial clearing to the SW, light haze, no precipitation in the past 24, and very little by way of air movement at the present time. It is from the North at 0-1 mph, wind puff: out of the NNW to 5 mph, humidity 69% {yesterday, the reading was 79%}, dew point 34°, current snow level is near 4000' [yesterday, it was near 3000'], observation time temperature 43.7°, and the barometric pressure 29.77" and falling. |
| 4/4/2012 |
5:44 AM |
0.00 |
0.0 |
M |
0.0 |
M |
An upper level trough (with its Southernmost boundary now over the vicinity of San Luis Obispo) is moving East by NE over WA, OR and Southern CA. The interesting quality about this upper level trough is its SE side which features a wide and somewhat lengthy "river" of very dry air moving East by SE over Southern (the San Luis Obispo vicinity) to NE CA (Bishop vicinity), SW to NE NV, SW to NE UT before turning North over most of ID and SW MT. As a result, moisture is being forced in a Northerly direction over Southern and SE BC from most of WA and the central panhandle of ID. This flow pattern is congruous to the NPJ, as well as the GFS and NAM models. Will there be any moisture forthcoming? One model shows the possibility of accumulating snow in Northeastern (Colville area) and Eastern WA (Spokane area) as well as the Sandpoint, ID area. How much depends on the elevation. Mid afternoon weather for 4/03-an Altostratus overcast with a small area of Altocumulus to the West and a large, ominous Cumulus cloud deck from nearly overhead toward the North and extending from the NW to the East. Temperatures are in the low to mid 50's, BP 29.64"F along with light air movement from the South. Current conditions for 4/04-a Cirrostratus overcast with partial clearing to the NW and SW, light haze, no precipitation in the past 24, and some actual air movement. It is from the West at 4-12 mph, wind gust: out of the WNW to 14 mph, humidity 50%, dew point 24° { yesterday, the readings were 69% and 34° respectively}, current snow level is near 2000' [ yesterday, it was near 4000'], observation time temperature 46°, and the barometric pressure 29.66" and rising. |
| 4/5/2012 |
5:20 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 4/04-scattered Cirrus, Cirrostratus and Cumulus on an otherwise partly sunny and pleasant afternoon. Temperatures are in the upper 50's to low 60's, BP 29.71"R along with a nice breeze from the NW. Current conditions for 4/05-scattered Cirrus, Cirrostratus, Altocumulus and widely scattered Cumulus on a partly sunny morning. The haze is light to moderate, no precipitation in the past 24 and very little by way of air movement. It is from the WNW at 2-3 mph, wind gust: out of the NW to 9 mph, humidity 66% (yesterday, the reading was 50%), current snow level is 2000', observation time temperature 39.6°, and the barometric pressure 29.87" and rising. |
| 4/6/2012 |
6:02 AM |
0.05 |
0.0 |
M |
0.0 |
M |
0.03" fell during the overnight and another 0.02 was recorded from approximately 6:43AM to 7:30AM for a grand total of 0.05". Although the weather over this area is relatively calm, moist air is over Vancouver Island, most of WA and OR while drier air extends SE over the ocean (South of the Gulf region)and is moving NE over NW to Southern OR (Lakeview vicinity}, NE CA and Northwestern NV (Lake Tahoe area) as a result of an approaching upper level low moving East by NE (with its center over the ocean) though still well West of the coasts of Southern OR and Northern CA. Meanwhile, a "system"{moving North by slightly NW} has developed over Western MT, extreme Western WY, and from the Northern panhandle to Southern and Southeastern ID. Is this "system" bringing any moisture with it? Yes, in the form of heavy snow from SW MT to just East of the Great Falls area and from this point NE [over Havre] will also feature heavy snow though accompanied by strong winds. Mid afternoon weather for 4/05-although the sky overhead and toward the SW was partly cloudy (scattered Cirrus), the valley was surrounded by ominous appearing clouds (Altocumulus and Cumulus) where precipitation in the form of rain was observed in the NW and from the NE to the SE. Temperatures are in the upper 40's to low 50's, BP 29.88" and rising along with a light breeze from various directions including the SE, South and SE. Current conditions for 4/06-mostly cloudy (Cumulus and scattered Cirrus) with partial clearing to the West and SE, earlier this morning snow was observed on the lower slopes of Birch Mountain to the North and Badger Mountain to the East, we have light haze, and very little by way of air movement. It is from the North at 2 mph, wind puff: is out of the NNW to 9 mph, humidity 77%, dew point 35° {yesterday, the readings were 66% and 26° respectively}, current snow level is near 2000', observation time temperature 41.9°, and the barometric pressure 29.97" and rising.
|
| 4/7/2012 |
5:32 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Yesterday's drier air (South of the Gulf) that extended SE over the ocean and was moving NE over NW to Southern OR (Lakeview vicinity), NE CA and Northwestern NV (Lake Tahoe area) is now extending East by SE over the Northern tier of WA, Northern panhandle of ID and NW to Southern MT (Billings area), Queen Charlottes, the central and SW coasts of BC, and Vancouver Island where interestingly, this section of drier air is moving West by SW along the Southern boundary of high pressure over most of Northern BC, SE AK and the Queen Charlottes while simultaneously the SW portion of this drier air appears to be influenced by the counterclockwise rotation of the upper level low immediately to the SE. The clouds associated with this upper level low {which is adjacent to the coasts of Southern WA, OR and Northern CA} are moving North by NE in response to some ridging over the areas just mentioned. Meanwhile, this upper level low is close enough to the coasts just mentioned and is now spreading moisture over the Southern tier of WA, extreme Western to SW OR, and the coast ranges of Northern CA. Mid afternoon weather for 4/06-an Altostratus overcast and scattered lower level Cumulus. These cloud types however, are moderately threatening in appearance from the West to the SW, but very ominous from the South to the SE. Temperatures are in the upper 40's to low 50's, BP 30.03"R along with light air movement from the North and occasionally out of the NW. Current conditions for 4/07-partly cloudy (all Cumulus), light to moderate haze, no precipitation in the last 24, and very little by way of air movement. It is from the West at 1-4 mph, wind gust: out of the WNW to 10 mph, humidity 83%, dew point 30°, current snow level is 3500' rising to 4500' by this afternoon, observation time temperature 34.9°, and the barometric pressure 30.16" and rising. |
| 4/8/2012 |
5:35 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 4/07-partly cloudy (all Cumulus) on an otherwise lovely spring afternoon. As the afternoon progressed however, Cirrostratus were observed near the Western and SW horizon as well as scattered Cirrus from the NW to the SW and were spreading toward the East. Temperatures are in the mid to upper 50's, BP 30.06"R along with light air movement from the NE. Current conditions for 4/08-a Cirrus/Cirrostratus overcast (along with a large halo!), light to moderate haze, no precipitation in the last 24, and some actual light wind velocity. It is from the West at 3-12 mph, then from the South at 0-2 mph, wind gust: first out of the WNW to 11-12 mph, then from the SSE to 5 mph, humidity 51%, dew point 25° (yesterday, the readings were 83% and 30° respectively), current snow level is 6500' [yesterday, it was 4500'], observation time temperature 40.1°, and the barometric pressure 30.15" and rising. HAPPY EASTER EVERYONE!! |
| 4/9/2012 |
6:00 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The "ridging" over NV, UT, and most of ID, OR and WA with the apex extending NW over Eastern WA, has strengthened somewhat since yesterday and is not only over the areas mentioned above, but now includes WY, MT and ID with the apex now extending NW over an area East of Prince George and the ridge axis just East of MT's Western border. Although the upper level trough of the last few days has not changed much by way of movement, a few of its characteristics have including a steepening of its East side, and a deepening of the upper level trough where the Southernmost boundary (by way of reference over the ocean) now extends beyond the Baja Peninsula! The upper level low within the upper level trough continues to remain over the ocean with its center well West of the central coast of OR. There are indications that this upper level trough is going to slide SE down the West coast and by sometime tomorrow will be over Southern CA {LA/San Diego area}. Meanwhile, clouds and moisture associated to this upper level low are moving SW to NE up the East side of the upper level trough, or the West side of the ridge of high pressure over Southern (Monterey Bay area) to Northern CA, Northern NV, OR, WA, ID, and Western MT. Mid afternoon weather for 4/08-a large halo was just visible due to a Cirrus/Cirrostratus overcast. Temperatures are in the low to mid 60's, BP 29.99"F along with slight air movement from the NW. Current conditions for 4/09-mostly clear (scattered Cirrus, Cirrostratus and Contrails), light to moderate haze, no precipitation in the last 24, and very little by way of air movement. It is from the North at 3-6 mph, wind gust: out of the WNW to 13 mph, humidity 58%, dew point 28°, current snow level 7500' [yesterday, it was 6500'], observation time temperature 41.7°, and the barometric pressure 29.89" and falling. |
| 4/10/2012 |
5:40 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The ridge of high pressure (in a NW tilt) over MT, WY, ID, UT, SE BC, SW Saskatchewan and Southern Alberta with the apex over Northern Alberta, and the ridge axis now in Western MT, appears to have strengthened a bit more since yesterday. Meanwhile, the upper level trough (that yesterday featured the Southernmost boundary extending beyond the Baja Peninsula!) has now begun moving East by NE toward Southern CA while yesterday's upper level low with its center over the ocean and well West of the central coast of OR has moved South with the center still over the ocean, but now West of Northern CA (SW of the Eureka area). Moisture associated with this upper level low is moving North over Southern (Monterey Bay vicinity) to NW CA, SW to extreme Northern OR and WA before turning NW over the ocean, Vancouver Island, the central coast of and extreme NW BC and SE AK while the bulk of this moisture is moving North over NW NV, most of OR (except for the SE Portion) and WA before turning East over Northern ID and Northwestern to Southwestern MT. In short, the moisture is riding up the vertical East side of the upper level trough or, the ridge of high pressure's West side. Current conditions for 4/10-an Altostratus overcast, light to moderate haze, no precipitation during the last 24, and not much by way of air movement. It is, however from the North at 0-6 mph, wind gust: out of the NNW to 15 mph, humidity 58%, dew point 33°, current snow level is 7500', observation time temperature 47.7°, and the barometric pressure 29.67" and falling. |
| 4/11/2012 |
5:41 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The first of two storms is now moving East by NE over Southern CA (San Diego area) with the Southern most boundary now over the Northern Baja Peninsula. Clouds and moisture associated with this upper level trough are spreading or moving NW over NE CA and NW NV, most of OR, WA, ID and Western MT, Vancouver Island, most of BC and Alberta before turning NE over extreme Northern Alberta as these elements ride up and attempt to crest a ridge of high pressure over Alberta, Saskatchewan MT and the Dakotas. This "storm" will bring wind, blowing dust, lowering snow levels, rain and snow to the Sierras. How much snow? One model shows the possibility of heavy snow in the Siskiyou's with 6-12 inches while the Sierra could receive as much as 1-2' above 7000' and up to a foot below 7000'. The second storm (with its center South of Kodiak Island) is basically moving SE and will be "much stronger than the first, bringing a reinforcing shot of cold air, and has more precipitation associated with it". Current conditions for 4/11-overcast (Altostratus), moderate to bad haze, no precipitation during the last 24, and very little by way of air movement. It is from the NNW at 6 mph, wind gust: out of the NW to 16 mph, humidity 65%, dew point 35°, current snow level 5000' [yesterday, it was 7500'], observation time temperature 49.5°, and the barometric pressure 29.48" and falling. |
| 4/12/2012 |
6:09 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Yesterday's strong upper level low whose center was SE of the middle Aleutians, has really slid SE and is now circulating counterclockwise just West of the OR/WA coasts with the center well West of Washington's NW coast. The upper level low however, has moved East by NE over Northern CA (bringing colder air and more precipitation with it in the form of copious amounts of rain in the lower elevations and moderate to heavy snow above 3500' in the Sierra's through tomorrow) and the Eastern third of OR, SW WA and Vancouver Island. NW of this upper level low, denser moisture is moving NW over Western MT, SE to Northern BC and Alberta before turning East by SE as it rides up the SW side and crests a NW tilting ridge of high pressure over most of Alberta and Saskatchewan as well as the Dakotas. Behind this upper level low is a small ridge of high pressure followed by another and rather impressive upper level low SW of the outer Aleutians with the inner bands conforming to the counterclockwise rotation while on its East side, a wave appears to be totally impervious to the "rotation" as it attempts to crest the small ridge mentioned above. Mid afternoon weather for 4/11-an Altostratus Duplicatus overcast, scattered lower level Cumulus and what appears to be virga to the South. Temperatures are in the low to mid 60's, BP 29.32"F along with calm winds. Current conditions for 4/12-mostly sunny (scattered Cumulus) on an otherwise very pleasant morning. We have light haze, no precipitation in the past 24, and light air movement. It is from the North at 0-4 mph, wind gust: is out of the NNW to 12 mph, humidity 58%, dew point 34°, current snow level is near 4000' (yesterday, it was 5000'), observation time temperature 45.9°, and the barometric pressure 29.53" and rising.
|
| 4/13/2012 |
5:37 AM |
T |
0.0 |
M |
0.0 |
M |
The "T" recorded above, occurred sometime during yesterday afternoon when brief, intermittent light rain was observed. Although WA is currently enjoying very nice weather, such is not the case for CA, NV and OR. The upper level trough continues to move SE with the Southernmost boundary over the ocean, though well West of the Northern coast of the Baja Peninsula. However, its East side is moving East by NE over Northern (the Bay area and Monterey Bay) and Southern CA. This action is forcing clouds and moisture NE over Southern to Northern CA and Western NV where one model shows moderate to heavy snow continuing to impact Southern CA as up to 2' is expected in the Sierra's, 8-12" above 6000' in the mountains NE of LA, and up to 2' is expected in the mountains East of LA above 8000' while rain and snow showers are expected across Western NV today and tonight. Interestingly, as the clouds and moisture continue to move North over Southern OR, they veer NW on the West side, while continuing North on the East side. This conforms to the counterclockwise rotation of the upper level low just off the coasts of Vancouver Island, WA, OR, and Northern CA. Current conditions for 4/13-scattered Cirrus and Cumulus on a mostly sunny morning with light to moderate haze, and very little by way of air movement. It is from the North at 3-5 mph, wind gust: out of the NNW to 14 mph, humidity 71% (yesterday, the reading was 58%), dew point 31°, current snow level 4000', observation time temperature 35.2°, and the barometric pressure 29.65" and rising. |
| 4/14/2012 |
5:40 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Weak high pressure near the coasts of Vancouver Island, WA, OR, and Northern CA with its apex extending North over the Queen Charlottes Southern half and an upper level trough (the center of which is over Southern Alberta just West of the Saskatchewan border) extending SW with its Southernmost boundary just nudging SE BC. The result? Some "energy" is moving SE (between the weak high pressure to the West, and around the upper level trough to the East)over SW {Mt. Rainier vicinity} to NE WA, SE BC, the Northern panhandle of ID and Southern Alberta while at the same time pushing drier air ahead of it SE over SW to NE WA, the Northern panhandle of ID and NW MT. Between WA, OR and the next system (moving East by NE as it crests the ridge of high pressure mentioned above) approaching the coasts of Vancouver Island, WA, OR, this same drier air is spreading East over Western OR and Northern CA, with the driest air over the coastline of Southern CA. Meanwhile, the upper level trough (with very tight pressure gradients) has moved inland over the SW with the center of the upper level low over NW AZ. It is producing snow and wind in several locations including significant snow accumulation across the mountainous areas today in UT, a snow advisory for Northern, Eastern, central and Southern (Tonopah) NV, where 3-5" are expected in in the valleys and 4-8" in the mountains, and a wind advisory for SW ID. Current conditions for 4/14-scattered Cirrus and Cirrostratus along with a deck of Altostratus to the South, no precipitation during the last 24, moderate haze, and some actual wind velocities. It is from the West at 2-7 mph, wind gust: is out of the WNW to 14 mph, humidity 51%, dew point 31°, observation time temperature 44.2°, and the barometric pressure 29.72" and rising |
| 4/15/2012 |
5:35 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 4/14-scattered Cirrus, Cirrostratus and Cumulus on a mostly sunny afternoon. Temperatures are in the mid to upper 60's, BP 29.74"R along with a nice breeze from the NE. Current conditions for 4/15-scattered Cirrus, Cirrostratus and widely scattered Cumulus as well as a very large deck of Cirrostratus from the West to the East besides extending to the Southern horizon. No precipitation has been recorded in the past 24, and there is moderate haze along with some actual wind velocities. It is from the West at 8-11 mph, wind gust: out of the West to 13 mph, then out of the WNW at 14-16 mph, humidity 42%, dew point 29°, current snow level is near 5000', observation time temperature 50.5°, and the barometric pressure 29.90" and rising. |
| 4/16/2012 |
5:45 AM |
0.01 |
0.0 |
M |
0.0 |
M |
A shallow upper level trough (adjacent to the coasts of WA and OR) is moving East by NE up the NW side and cresting a small ridge of high pressure over Southern BC, WA, OR, and Northern CA forcing clouds and moisture over NW NV, most of OR, WA, Southern and Southwestern BC before turning North by NW over the central coast of BC, the Queen Charlottes and SE AK in response to the flow pattern of both the GFS and NAM models (SW to NE). How much moisture is this "system" bringing? One forecast predicts ample rain by mid-week for several cities including Seattle with 0.36", Eugene 0.93", Burns 0.30", and Crescent City 0.45". As these "clouds" continue their NW trek over the Gulf, they become increasingly affected by the counterclockwise rotation of an upper level low over the inner Aleutians with the center just South of Kodiak Island. South of this upper level low, a large wave is moving East (though still well West of the WA/OR coasts) and interestingly, the NW side of it is attempting to develop into a low pressure. Mid afternoon weather for 4/15-scattered Cumulus along with a few lenticular clouds to the North on an otherwise gorgeous spring afternoon. Temperatures are in the upper 60's to low 70's, BP 29.85" and rising along with light air movement from the NE. Current conditions for 4/16-an Altostratus overcast and widely scattered Cumulus, light to moderate haze, and very little by way of air movement. It is from the WNW at 2-6 mph, wind gust: out of the NW to 12 mph, humidity 76%, dew point 38° {yesterday, the readings were 42% and 29° respectively}, observation time temperature 52.3°, and the barometric pressure 29.79" and rising. |
| 4/17/2012 |
6:30 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The large wave that yesterday was moving East (well West of the WA/OR coasts) with the NW side of it attempting to develop into a low pressure "system" has in fact done so and is the first of two upper level lows in the region. It is now an upper level low moving East by NE (up the NW side of a weak ridge of high pressure over WA, OR and ID with its apex just beyond the Southern border of BC and SW Alberta the center of which is SW of the Queen Charlottes and West of the NW tip of Vancouver Island and spreading clouds ahead of it over Western WA, OR and the Northern tier of CA) over the central and Southwestern coasts of BC, the Queen Charlottes and Southern SE AK while the main "energy" associated with the "system" is moving over Northwestern and Southwestern OR and simultaneously approaching the NW coast of CA. The second upper level low is located SE of the inner Aleutians with its center slightly SW of Kodiak Island. Mid afternoon weather for 4/16-not much change from earlier in the day (Altostratus overcast and widely scattered Cumulus). Temperatures are in the mid to upper 50's {it rose only 5.3° from the 52.3° reading earlier this morning}, BP 29.75"S along with light air movement from the NE. Current conditions for 4/17-a large area of Cirrostratus, and scattered Cirrus on a partly sunny morning, light to moderate haze, no precipitation in the past 24, along with some air movement. It is from the NNW at 6-10 mph, wind gust: out of the NW to 14 mph, humidity 42%, dew point 25° (yesterday, the readings were 76% and 38° respectively), current snow level 3500' [yesterday, it was 5500'], observation time temperature 46.2°, and the barometric pressure 29.97" and rising. |
| 4/18/2012 |
5:31 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although moist air is over Vancouver Island, WA (indicated by higher humidity and dew points), OR and most of ID, and drier air is moving West to East over the WA/OR border, yesterday's upper level low that was moving East by NE over the central and Southwestern coasts of BC, Queen Charlottes, Southern SE AK (and the main "energy" associated with this system moving over Northwestern and Southwestern OR and approaching NW CA) as well as up the NW side of weak high pressure over WA, OR and ID with its apex just beyond the Southern border of BC and SW Alberta has now moved East of the region (WA) over Eastern MT, most of ND, WY, the SE corner of ID and Northern UT before turning NW over SW Saskatchewan, Southern Alberta, and SE to NW BC. While these "clouds" continue the NW trek over the Gulf, the bulk of which continue over SW AK, some of them are affected by the counterclockwise rotation of an upper level low over the inner Aleutians with its center just SE of the "islands" just mentioned and SW of Kodiak Island. Meanwhile, the counterclockwise rotation of an upper level low just West of the Queen Charlottes is still visible on several models; however, there are indications that throughout the day, it will continue to weaken and by sometime tomorrow, will be replaced by another upper level low-West of the Queen Charlottes! Current conditions for 4/18-scattered Cirrus, Altocumulus and Cumulus on a partly sunny morning, moderate haze, no precipitation in the past 24, and very little by way of air movement. It is, however, from the North at 0-3 mph, wind puff: out of the North to 8 mph, humidity 71%, dew point 34° {yesterday, the readings were 42% and 25° respectively}, current snow level 4000', observation time temperature 44.4°, and the barometric pressure 29.82" and rising. |
| 4/19/2012 |
5:35 AM |
0.02 |
0.0 |
M |
0.0 |
M |
A ridge of high pressure is over WA, OR, ID, NV, and Northern CA this morning with its apex over Southern BC. Interestingly, a surface analysis map shows high pressure at the surface in Southern BC (NW of Oricville-which has since moved SE over Spokane) and another in NW CA ( East of Eureka-which has since moved just East of Redding). Behind the ridge of high pressure is an immense upper level trough with a few interesting characteristics one of which is a combination of moist and drier air contained within the West and a portion of the SW sides while the Southernmost and Eastern sides contain very dry air moving East by NE the result of which is rather interesting. Although a lengthy band of clouds extend from the Queen Charlotte's to the middle Aleutians, the East by NE movement (mentioned above) is forcing the "back-end" of these "clouds" over the Queen Charlottes and SE AK while the rest of the "band" moves West by SW [with no movement toward the Gulf] in response to an upper level low {with its center SW of Kodiak Island} exerting great influence on them by its counterclockwise rotation. Meanwhile, a large wave is moving East by NE and cresting the ridge of high pressure, mentioned above, and spreading clouds over Vancouver Island, the central and SW coasts of BC, WA, and OR along with scattered showers over SW WA, and NW OR in addition to a large band extending North from Gresham, OR to Bellevue, and another moving East by SE over NW OR from Corvallis to Tillamook. Current conditions for 4/19-overcast (Altostratus Duplicatus), light to moderate haze, and very little by way of air movement. It is from the North at 2-7 mph, wind gust: out of the NNW to 11 mph, humidity 65%, dew point 31°, current snow level 4500', observation time temperature 41.5°, and the barometric pressure 29.91" and rising.
|
| 4/20/2012 |
5:36 AM |
0.07 |
0.0 |
M |
0.0 |
M |
The ridge of high pressure has flattened somewhat since yesterday but is showing signs of strengthening and is currently over Southern BC, Alberta and Southern Saskatchewan as well as most of the Western US. There are signs however that this ridge of high pressure will continue to "build" and remain over the PNW through mid-week. In addition, it will not only "continue to strengthen and bring warmer temperatures to the area during the week-end, but there is also the possibility of thunderstorms Sunday afternoon". Meanwhile, a system is riding up the NW side and cresting the ridge of high pressure (mentioned above) and spreading clouds {over the Eastern third of WA as well as over and West of the Cascades-except for NW WA where it is partly cloudy} and moisture in the form of a large band of precipitation that extends SW to NE and simultaneously is moving slowly SE over NW OR (Astoria) and SW WA (Long Beach) and from there to the Olympia/Tacoma/Seattle areas and the Cascade foothills. Although the characteristics of the upper level trough have not changed a great deal since yesterday, the two upper level lows have done a topsy turvy. The first one that yesterday was SW of the Queen Charlottes is now over SE AK while the second one that was SE of the inner Aleutians is now well South of the Gulf with its center now well SE of Kodiak Island. Current conditions for 4/20-partly cloudy (Cumulus-dominant cloudy type), light to moderate haze, no precipitation during the overnight, along with light air movement. It is from the North at 2-5 mph, then from the NNW at 4 mph, wind gust: out of the NNW to 12 mph, then from the NW to 8 mph, humidity 75%, dew point 40° (yesterday, the readings were 65% and 31° respectively), current snow level 6000' lowering to 4000' in the North, observation time temperature 45.7°, and the barometric pressure 29.86" and rising. |
| 4/21/2012 |
5:55 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although the ridge of high pressure continued to strengthen since yesterday, with high pressure now at the surface (with its center in NW Mexico-Sonora County-near the vicinity of Hermosilla) and aloft over the West coast with its apex over Southern BC, Alberta and SW Saskatchewan, one model is showing snow for Northwestern to Southwestern MT, and rain for Southern BC, Vancouver Island, the Northern and central Cascades of WA and the Olympic Peninsula while at the same time high pressure is featured over the SW portion of Northern BC East of the Prince Rupert area. As this ridge of high pressure (mentioned at the beginning) continues to strengthen through the week-end, and bring warmer temperatures to the region (WA), the freezing level will respond by rising from the current level of near 8000' today to 10'000' tomorrow before beginning a slow decline Monday evening. Meanwhile, clouds and "energy" are moving around the SE boundary of an upper level trough (with its Southernmost boundary NE of HI) then up its steep East side, or, the NW side of a high pressure ridge (mentioned above) over SE Vancouver Island, Southern BC, the Northern tier of WA, Northern panhandle of ID before turning SE over NW to SE MT. Current conditions for 4/21-other than some Altostratus to the NE and scattered Cumulus in the West and SW, the skies are mostly clear. The haze is moderate, no precipitation in the last 24, along with some light air movement. It is from the NNW at 3-6 mph, wind gust: out of the NW to 13 mph, humidity 55%, dew point 33° {yesterday, the readings were 75% and 40° respectively}, current snow level is near 8000' [ yesterday, it was 6000'], observation time temperature 48.9°, and the barometric pressure 29.96" and rising. |
| 4/22/2012 |
5:55 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The reason for the late hour was because of the "web" being down earlier this morning. High pressure is currently the dominant feature over the West coast (and should remain so through mi-week) as it has strengthened both at the surface (with its center in Northern Mexico-Chihuahua county-near the vicinity of Juarez) and aloft over most of BC, Alberta and Saskatchewan. However, even though moist air is indicated over WA and OR, clouds and "energy" are moving up the steep NW side of the "ridge" over Vancouver Island grazing NW WA (the Olympic Peninsula and Bellingham areas) in the process, most of BC and Alberta before turning SE over Saskatchewan. Interestingly, one model shows one low pressure off the coasts of SE Vancouver Island and NW WA (where a cold front is moving East by SE nearing the coasts of WA and OR} and a second over SW BC with a rain/snow mix in the Southern portion of Northern BC and most of
Southern BC (except for the SE section). In a small area of SW BC, there is a possibility of heavy snow in the coastal mountains. Behind this nice ridge of high pressure, are two upper level trough's with the Southernmost boundary of the first NE of HI, its center is South and West of the Gulf and Northern CA (Fort Bragg vicinity) respectively, while at the same time adjacent to the Northern Baja Peninsula. The second one extends SE over the Gulf with its Southeastern boundary just NW of the Queen Charlottes and the center just West of Northern SE AK. Current conditions for 4/23-except for widely scattered Cirrus and a small area of Cirrostratus in the West, the skies are mostly clear. The haze is light, no precipitation in the last 24, and very little by way of air movement. It is from North at 3-5 mph, wind gust: out of the NNW to 14 mph, humidity 61%, dew point 40°, current freezing level is near 10'000' [yesterday, it was near 8000'], observation time temperature 53.4°, and the barometric pressure 29.87" and rising. |
| 4/23/2012 |
5:59 AM |
T |
0.0 |
M |
0.0 |
M |
Although the ridge of high pressure remains firmly established over the West coast as well as Southern BC, Alberta, and most of Saskatchewan with the apex nudging the NW Territories Southern border and its ridge axis now in Western MT, very dry air (over most of CA) accompanied by more moist air is moving North by NE over Northern CA, most of OR, Southern and Southwestern to NE WA (forcing "moisture" NE over SW to NE WA) before turning East over the Northern panhandle of ID and NW MT. Is any rain going to come from this "moisture"? One model shows "a line of showers and thunderstorms extending from Wenatchee (the "cell" that gave this area-now in the process of clearing-lightening, thunder and a brief shower that resulted in a trace) has moved NE near Waterville. The area to the SE will not fare quite as well as "scattered thunderstorms will develop late this afternoon and evening, some of which may be strong with gusty winds and hail from the Blue Mountains across the Lewiston area into the ID panhandle (Silver Valley)". Mid afternoon weather for 4/22-except for widely scattered Cirrus and a small area of Cirrostratus in the West, the skies are mostly clear on a gorgeous spring afternoon. Temperatures are in the upper 70's to low 80's, BP 29.68"F along with light air movement first from the South, then from the East. Current conditions for 4/23-partly cloudy (scattered Cirrus and Cumulus), light to moderate haze, and very little by way of air movement at the present time. It was from the West at 4-5 mph, wind gust: out of the WNW to 20 mph, humidity 69%, dew point 45°, current snow level is near 9500', observation time temperature 57.6°, and the barometric pressure 29.71" and falling. |
| 4/24/2012 |
6:09 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Early last evening, the weather featured some phenomenal cloud build-ups, lightening, thunder and, South of this observation site, some shower activity as this "action" was ushered over the area from the
South (OR) into the strong ridge of high pressure that has been over the West coast for the past several days. The "weather" (mentioned above) has since moved East by NE over SE BC, Southern Alberta and Saskatchewan before turning SE over Manitoba. Does this mean pleasant weather will now resume over the area? For awhile yes. In far Eastern WA however, "the potential exists for strong thunderstorms (due to an unstable atmosphere) beginning this afternoon and lasting through the evening hours. The main threat-strong winds at the surface with gusts up to 50 mph while in the Southern and Southeastern portions of the state, these thunderstorms (in the same time frame as mentioned above) could become strong with hail, gusty winds, heavy rain and frequent lightening". Mid afternoon weather for 4/23-from mostly cloudy earlier this morning to mostly clear (scattered Cirrus and Cumulus) and pleasant. Temperatures are in the upper 70's to low 80's, BP 29.57"F along with light air movement from the NE. Current conditions for 4/24-partly cloudy (scattered Cirrus, Cirrostratus and Cumulus), moderate haze, no precipitation in the last 24, and some light wind velocities. They are from the North at 4-6 mph, wind gust: out of the NNW to 16 mph, humidity 57% (yesterday, the reading was 69%), dew point 45°, current snow level is near 8000' [yesterday, it was 9500'], observation time temperature 59.9°, and the barometric pressure 29.61" and falling. |
| 4/25/2012 |
5:55 AM |
0.00 |
0.0 |
M |
0.0 |
M |
In brief, the ridge of high pressure that has been over the West coast the past several days, has to some extent begun to weaken and is believed to be caused by an upper level trough immediately NE of its NE side, and an upper level low over the Gulf with its center SW of SE AK and the Queen Charlottes. There are also two additional upper level lows, one is off the coasts of Southern CA and the Northern Baja Peninsula, while the other is South of the outer Aleutians. Mid afternoon weather for 4/24-gradually increasing clouds (a Cirrostratus overcast-except for partial clearing to the SE-and scattered Cumulus) since earlier in the day. Temperatures are in the mid to upper 70's, BP 29.57"F along with nice air movement from the NE. Current conditions for 4/25-partly sunny (scattered Cirrus, Cirrostratus, Altocumulus and Cumulus), moderate haze, no precipitation in the past 24, and very little by way of air movement. It is from the East at 2-4 mph, wind puff: is out of the ESE to 8 mph, humidity 63%, dew point 43°, current snow level is near 7500', observation time temperature 51.3°, and the barometric pressure 29.66" and rising. |
| 4/26/2012 |
5:35 AM |
0.30 |
0.0 |
M |
0.0 |
M |
Yesterday, between the hours of 3:24PM and 6:17PM 0.32" were recorded and today, another 0.30" was recorded (between the hours indicated below) for a grand total of 0.62" Two days ago (4/24), a very large area of tropical moisture-the bulk of which was SW of the Baja Peninsula-was moving North by NE and appeared to be greatly affected by the counterclockwise rotation of an upper level low off the coast of Southern CA (LA area). It was speculated, at this point, that perhaps this "moisture" may interact with a large wave approaching, among other areas, the coasts of WA, OR and Northern CA. It didn't. However, what appeared to be a "remnant" is now over WA, OR, ID and most of MT. Meanwhile, with East by NE movement, an upper level trough ( the South easternmost boundary now over Northern CA and its center West of the Queen Charlottes Northern coast) has begun to move inland over Western WA, OR and Northern CA. On its NE side however, a "remnant" is moving NW over most of BC before turning West over extreme NW BC in response to the counterclockwise rotation of the upper level low (mentioned above) while the remainder of this remnant is moving SW to NE up the steep NW side of a high pressure ridge over ID, MT, and Southern Alberta before turning SE over Southern
Saskatchewan. Current conditions for 4/26-overcast (Stratus), light haze, along with some wind velocities. They are from the NNW at 6-11 mph, then from the North at 15 mph, wind gust: out of the NW to 20 mph, humidity 93% (yesterday, the reading was 63%), dew point 45°, current snow level 5000' lowering to 4000' later this afternoon, observation time temperature 55.8°, and the barometric pressure 29.35 and falling. |
| 4/27/2012 |
5:48 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The storm responsible for impressive rain totals the past two days, has moved East by NE of the area and is now moving NW over Eastern WY, MT, Southwestern Saskatchewan, Alberta, extreme Northern and Northeastern BC, most of the Yukon and the NW Territories. This "NW flow", is in response to a ridge of high pressure (as the "storm" rides up the steep SW side and finally crests the ridge over the Northern NW Territories) currently over Alberta, Saskatchewan, Manitoba, the Dakotas as well as Eastern MT with its apex over the Northern NW Territories beyond the Arctic Circle. Meanwhile, one wave moving East, is spreading clouds and some energy over the Southern Queen Charlottes, central coast of BC and NW Vancouver Island while a second, more organized and stronger wave is making a bee line for OR and NW CA. NW of the first wave, an upper level low (the bulk of which is over the Gulf) is circulating counterclockwise over SE AK with the center West of central SE AK. Mid afternoon weather for 4/26-a Cirrostratus overcast (except for partial clearing from the West to the SW) and a large Cumulus cloud deck from the NW to the SE that looks somewhat threatening especially in the SE and West. Temperatures are in the upper 50's to low 60's, BP 29.43"F along with a light breeze from the NW. Current conditions for 4/27-scattered Cirrus, and widely scattered Cumulus on a mostly sunny morning. The haze is light, no precipitation in the last 24, along with light wind velocities. They are from the North at 3-6 mph, wind puff: out of the NNW to 9 mph, humidity 57%, dew point 32° {yesterday, the readings were 93% and 45° respectively}, current snow level is near 3000' [yesterday it was 4000'], observation time temperature 48.6°, and the barometric pressure 29.93" and rising. |
| 4/28/2012 |
5:43 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Two days ago, the storm that moved NW over Eastern WY, MT, Southwestern Saskatchewan, Alberta, extreme Northern and Northeastern BC, most of the Yukon and NW territories is now moving West over Eastern MT, then NW over Southern Saskatchewan, and Southeastern Alberta before turning North over Northern Saskatchewan, Eastern Alberta, the Southeastern NW Territories and beyond. The reason this was mentioned, is because at first, this flow pattern appeared to present a few problems at the 500 Mb level. First, there is a ridge of high pressure at the surface (with the center near the vicinity of Grand Rapids, Manitoba) and aloft over Western Hudson Bay, Nunavut, and Manitoba and no South/North flow pattern. Another problem is that the upper level winds are moving South over most of the Alberta/Saskatchewan border (except for the extreme North). However, checking the NAM model (250 Mb streamline) eliminated the "problems" described above and confirmed the flow patterns also mentioned above. Meanwhile, high pressure is at the surface (with its center West of Northern CA-the Bay area) and aloft over Southern BC, WA, OR, ID and Northern CA with its apex over SW Alberta. Mid afternoon weather for 4/27-increasing clouds (scattered Cirrus, Cirrostratus, and Cumulus) since earlier in the day when we had clear skies. Temperatures are in the mid to upper 60's, BP 29.96"R along with light air movement from the SW. Current conditions for 4/28-mostly clear {widely scattered Cumulus}, light haze, no precipitation in the last 24, and very little by way of air movement at the present time. It was from the WNW at 6-10 mph, wind gust: out of the NW to 19 mph, humidity 52%, dew point 34°, current snow level is near 4500' rising to 6000' later this afternoon, observation time temperature 52.7°, and the barometric pressure 30.03" and rising. |
| 4/29/2012 |
5:16 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although most of Eastern WA is clear (except for the far Eastern part of the state where it is overcast as it is over and West of the Cascades-except for the Olympic National Park where it is partly cloudy as it is in the Northern boundary counties of WA) as a result of weak high pressure over WA, OR and Northern CA, the same cannot be said for Eastern MT. Because of an upper level low (with its center over extreme NW SD) over the Eastern third of MT, SW ND and NW SD, as much as 1-4" of snow is expected from East of Havre South to Lewistown. Mid afternoon weather for 4/18-mostly sunny (scattered Cirrus and Cumulus with some Cirrostratus to the NW) on a very pleasant spring afternoon. Temperatures are in the low to mid 70's, BP 29.83"F along with light air movement mainly from the SE, but from time to time the East and SW. Current conditions for 4/29-scattered Cirrus and Cumulus along with a large deck of Altocumulus from the SW to the East on a mostly sunny morning. There is light haze, no precipitation in the past 24, and very little by way of air movement at the present time. It is from the WNW at 6-8 mph, wind gust: out of the NW to 14 mph, humidity 59%, dew point 38°, current snow level is near 6000, observation time temperature 51.1°, and the barometric pressure 29.91" and falling. |
| 4/30/2012 |
7:15 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 4/29-scattered Cirrus, Cirrostratus and Cumulus on an otherwise gorgeous spring afternoon. Temperatures are in the mid to upper 70's, BP 29.74"F along with light air movement from the NW. Current conditions for 4/30-partly cloudy (all Cumulus), no precipitation in the past 24, light haze, and very little by way of air movement. It is from the WNW at 1-4 mph, wind gust: out of the NW to 16 mph, humidity 49% {yesterday, the reading was 59%}, dew point 37°, current snow level is near 5000' (yesterday, it was near 6000'), observation time temperature 57.4°, and the barometric pressure 29.43" and falling.
|
| 5/1/2012 |
5:30 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 4/30-mostly cloudy (Cumulus being the dominant cloud type), temperatures are in the upper 60's to low 70's, BP 29.47"F along with air movement from the NW. Current conditions for 5/01-scattered Cirrus and Cumulus in addition to small areas of Cirrostratus and Altocumulus to the East, no precipitation in the past 24, light haze, along with some light air movement. It is from the WNW at 4-7 mph, wind gust: is out of the NW to 12 mph, humidity 48%, dew point 29° (yesterday, the reading was 37°), current snow level is near 3500' {yesterday, it was near 5000'}, observation time temperature 47.7°, and the barometric pressure 29.68" and rising. Here are some interesting stats for April-1) total rain: 0.77" (or 151% of average), 2) number of days with no precipitation: 22, 3) high BP: 30.16" on 4/07, 4) low BP: 29.35" on 4/26, 5) date with low BP and no precipitation: 29.43" on 4/30, 6) date with high BP and precipitation: 29.97" on 4/06 (0.05"), 7) average BP: 29.79", 7a) number of days where the reading was 30.00" or higher: 4, 8) average morning temperature: 46.8°, 8a) actual morning temperature average: 52.7°, 9) high morning temperature: 59.9° on 4/24, and 10) low morning temperature: 34.9° on 4/07. |
| 5/2/2012 |
5:45 AM |
0.00 |
0.0 |
M |
0.0 |
M |
A large wave, moving East, has just begun to spread clouds over SW WA, far Western OR and NW CA, but appears to be rapidly breaking down in the process. Immediately to the North, another wave, also moving East, is clipping the Southern tip of the Queen Charlottes, and approaching the Southern central coast of BC, and the Southwestern portion of Vancouver Island. But as was the fate of its Southern cousin, it too appears to be rapidly weakening as it approaches the above mentioned coasts especially Vancouver Island. The Eastward movement of these two waves, appears to be forcing clouds over far Eastern WA NE over the panhandle of ID and NW MT as there is an upper level trough over WA with its South easternmost boundary over NE OR, the Northern panhandle of ID and NW MT. Are these "clouds" producing rain over far Eastern WA? One model shows scattered showers from Spokane North to Metaline Falls while the heaviest band of scattered showers appears to be from St John to Spokane along with numerous scattered showers in the Northern panhandle of ID. Mid afternoon weather for 5/01-increasing cloudiness (all Cumulus) since earlier in the day on a pleasant but coolish afternoon. Temperatures are in the low to mid 60's, BP 29.65"R along with light air movement from the NW. Current conditions for 5/02- partly cloudy (all Cumulus) and cool, light haze, no precipitation in the last 24, along with some light air movement. It is from the West at 4-6 mph, wind gust: out of the WNW to 14 mph, humidity 49%, dew point 28°, current snow level is 2500' rising to 4000' by this afternoon, observation time temperature 46.6°, and the barometric pressure 29.71" and rising. |
| 5/3/2012 |
5:43 AM |
0.16 |
0.0 |
M |
0.0 |
M |
0.02" was recorded at observation time and since then an additional 0.14" fell for a total of 0.16". Yesterday's large wave that was moving East and had begun to spread clouds over SW WA, far Western OR and NW CA and appeared to be rapidly breaking down in the process is now moving North by NE over Northern (Okanogan county) to Southeastern WA, the panhandle of ID, Northwestern MT (with some energy over SW MT), and Southern and Southeastern BC. Is this "wave" producing much by way of precipitation? A winter storm warning has been posted for "West Slopes Central Cascades and Passes where 2-6" are expected (except 4-8" from MT Rainier Southward)". In addition, one model shows precipitation in the form of rain contained in two very large bands, the first of which is moving North by NE over the Northern coast of OR (Lincoln City vicinity) to Portland and SW WA (Battle Ground) along with scattered showers in NW OR. The second one, also moving North by NE extends East over the Southern coast of WA (Ocean Shores) to Tacoma before turning SE over Mt Rainier. Mid afternoon weather for 5/02-increasing cloudiness (scattered Cirrus, Cirrostratus and Cumulus) since earlier in the day. Temperatures are in the low to mid 60's, BP 29.68"R along with light air movement from the SE. Current conditions for 5/03-overcast (Stratus and light sprinkles), light haze, along with light air movement. It is from the East at 1-3 mph, then from the WNW at 6 mph, wind gust: out of the ESE to 13 mph, then from the NW to 7 mph, humidity 95%, dew point 42° {yesterday, the readings were 49% and 28° respectively}, current snow level is near 4000', observation time temperature 51.4°, and the barometric pressure 29.56" and rising.
|
| 5/4/2012 |
5:39 AM |
T |
0.0 |
M |
0.0 |
M |
Yesterday, between the hours of 5:43A and 11:13A 0.16" was recorded. An additional 0.02" was recorded between 12:25P and 3:35P for a grand total of 0.18". Although one model shows a low pressure over extreme NE WA with a cold front moving East by SE over Northwestern MT, the Southern panhandle of ID and SE OR, the NPJ appears to be in a split flow with some of the energy moving over Northern BC, the SE portion of the Yukon and Western NW Territories while the rest of the energy is moving SE over some slight ridging off the coasts of WA and OR {the apex of which is SW of the Queen Charlottes} and into an upper level trough with its Southernmost boundary over Southern CA. Within this upper level trough "energy" is moving East by NE [this is congruous to the NPJ flow pattern-SW to NE] over Eastern WA and OR dragging moist air with it over Northern CA near the OR border. Had this moist air not been dragged over "Northern CA", very dry air would have enveloped the entire state as it IS moving NE over AZ and most of NV and UT. Mid afternoon weather for 5/03-overcast with patchy fog and a steady light rain. Temperatures are in the upper 40's to low 50's, BP 29.52"F along with light air movement from the SW. Current conditions for 5/04-partly cloudy (scattered Cirrus and Cumulus-dominant cloud type), light haze, along with light air movement. It is from the North at 4-5 mph, wind gust: out of the NNW to 14 mph, humidity 50%, dew point 32° {yesterday, the readings were 95% and 42° respectively}, current snow level is near 3000' (yesterday, it was near 4000'), observation time temperature 48.4°, and the barometric pressure 29.78" and rising. |
| 5/5/2012 |
5:39 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although most of Eastern WA is now enjoying mostly clear skies (except for the NE and SE boundary counties where is is partly cloudy), over and West of the Cascades it is somewhat overcast {meaning not a solid one), the storm that yesterday was over Southwestern and Southern BC, most of WA, Eastern OR, and extreme Northern CA, has moved East by NE of the area (WA) and is now over SE BC, Southern Alberta then extending East and SE over central and Southwestern Saskatchewan with some of the energy extending South over central and Eastern MT. Believe it or not, "a winter weather advisory has been posted and is in effect until midnight tonight" where from Dillon to Lewistown, MT and from Helena NW over the Continental Divide 1-3" are expected above 5500' except for the Northern Rocky Mountains (including Glacier Nat'l Park) where 2-5" are expected. Meanwhile, the upper level trough {with its Southernmost boundary still over Northern CA, moved slightly East from yesterday's location} combined with some ridging West of Vancouver Island, WA, OR and Northern CA, is believed to account for the light wind velocities over this area. Mid afternoon weather for 5/04-mostly cloudy (scattered Cirrus and Cumulus) and cool with widely scattered showers around or near the mountains around the valley. Temperatures are in the upper 50's to low 60's, BP 29.82"R along with light air movement from the NW. Current conditions for 5/05-mostly clear (widely scattered Cumulus), light to moderate haze, no precipitation in the last 24, along with some light wind velocities. They are from the West at 5-15 mph, wind gust: out of the WNW to 17 mph, then out of the West to 17 mph, humidity 40% (yesterday, the reading was 50%), dew point 26°, current snow level is 2500' rising to 3500' later this afternoon, observation time temperature 44.1°, and the barometric pressure 30.13" and rising.
|
| 5/6/2012 |
5:43 AM |
0.00 |
0.0 |
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Yesterday's upper level trough with its Southernmost boundary over Northern CA, has since moved East by NE, and in the process, developed into an upper level low over Southeastern Saskatchewan with the center near its Southern border. This upper level trough (mentioned above) has since been replaced by a ridge of high pressure over BC, WA, OR and Northern CA and is expected to remain over the area (WA) through early next week resulting in dry weather and warmer temperatures. Mid afternoon weather for 5/05-mostly clear (scattered Cirrus and Cumulus) on a pleasant spring afternoon. Temperatures are in the low to mid 60's (or, about 5° warmer than yesterday at this time), BP 30.15"R along with some nice air movement from the NW. Current conditions for 5/06-mostly clear {scattered Cirrus along with a small area of Cirrostratus to the East}, the haze is light to moderate, no precipitation in the last 24, and very little by way of air movement. It is from the WNW to 7 mph, wind gust: out of the NW to 13 mph, humidity 57% (yesterday, it was 40%), dew point 30°, current snow level is 5000' rising to 6000' by this afternoon {yesterday, it was 3500'}, observation time temperature 42.8°, and the barometric pressure 30.28" and rising. |
| 5/7/2012 |
5:49 AM |
0.00 |
0.0 |
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Since yesterday, the ridge of high pressure has strengthened somewhat over WA, OR, BW CA as well as most of BC and Alberta and should remain over the area through sometime tomorrow providing dry weather and warmer temperatures before moving East and leaving this area (WA) in a SW flow pattern through mid-week. This "strengthening" (mentioned above) will be reflected in rising freezing levels from 9000' today to 10,000' tomorrow, followed by a brief cooling trend where levels plunge from 7000' Tuesday night to 3500' Thursday. How come? One model shows a cold front moving East by SE over WA by mid-week. There are indications however, that by sometime Thursday, warmer temperatures will return to the region (WA) as strong high pressure begins to build over the region and remain over the area through the first half of the week-end. Once again, this will be reflected by rising freezing levels especially during the week-end where they will hover between 10,500' and 11,500'. Mid afternoon weather for 5/06-mostly clear (some Cumulus to the SW and widely scattered Cirrus) on a gorgeous spring afternoon. Temperatures are in the upper 60's to low 70's, BP 30.21"R along with light air movement from the South. Current conditions for 5/07-mostly sunny (scattered Cirrus and Cirrostratus), light to moderate haze, and very little by way of air movement. It is from the West at 0-3 mph, then from the North at 4 mph, wind gust: out of the West to 5 mph, then out of the NNE to 12 mph, humidity 63%, dew point 38°, freezing level is near 9000' (yesterday, it was 6000'), observation time temperature 45.5°, and the barometric pressure 30.20" and rising. |
| 5/8/2012 |
5:48 AM |
0.00 |
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It would appear that the combination of upper level winds and the flow patterns of the NPJ, GFS, and NAM models (SW to NE) is forcing drier air East by NE over the Queen Charlottes, the central coast of and Northern BC the result of which is rather interesting. The Southern half of what appeared to be a "system" has begun to split away from its Northern counterpart, and is moving East by NE over most of Alberta, the Southern portion of the NW Territories and Northern Saskatchewan before turning SE over Manitoba as it rides up and crests a ridge of high pressure over that "area". The Northern half is moving slightly North by West over the Western NW Territories before turning SW over the NE to SW portion of the Yukon and SE AK as it is possibly coming under the influence of the counterclockwise rotation of an upper level low moving NE and approaching SE AK and the Queen Charlottes. Meanwhile, the ridge of high pressure that yesterday was over the area (WA) has begun to move East although it is still close enough to be influential. Regarding the mention of yesterday's approaching cold front, one model shows it moving SE over SW BC, the NW portion of Vancouver Island and approaching the NW coast of WA. Just twelve hours later however, this same cold front continued to move SE and is projected to be over SE BC, the Eastern third of WA, NE (Milton-Freewater) to Southern (Klamath Falls) OR and NW CA and should be East of WA by sometime tomorrow. Current conditions for 5/08-mostly sunny {scattered Cirrus and Altocumulus}, no precipitation in the last 24, the haze is light to moderate, and very little by way of air movement at the present time. It was from the WNW at 2-11 mph, wind gust: out of the NW at 11-13 mph, humidity 54%, dew point 37°, current snow level 9500', observation time temperature 51.1°, and the barometric pressure 29.95" and falling. |
| 5/9/2012 |
5:27 AM |
0.00 |
0.0 |
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0.0 |
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"Active" weather is well North of the area (WA) as one model shows an upper level trough over the SW NW Territories with its center just South of Great Bear Lake, and to the SW, another upper level trough is moving East by NE over Vancouver Island, Southern BC and NW WA while the upper level low within the "trough" is moving over SE AK and spreading clouds over Northern and North central BC as well as the Northern Queen Charlottes. Although the ridge of high pressure is East of the region (WA)-though still close enough to be influential- some changes are on the way. What kind of changes? "A cold air mass under clear conditions Wednesday and Thursday, will yield a risk of widespread freezing temperatures or frost in the valleys across the Inland NW". This area (Wenatchee) looks like it will "remain above the freezing mark (low temperatures forecast for Thursday and Friday mornings are 38° and 39° respectively) but a little bit of frost is not out of the question". Mid afternoon weather for 5/08-mostly sunny (scattered Cirrus, Cirrostratus, Altocumulus and widely scattered Cumulus), on a rather warm spring afternoon. Temperatures are in the low to mid 80's, BP 29.73"F along with light air movement from the South. Current conditions for 5/09-scattered clouds (Cirrus and Altostratus) on a mostly sunny morning, light to moderate haze, no precipitation in the past 24, and some nice wind velocities. They are out of the West at 5-20 mph, wind gust: out of the West at 24-27 mph, humidity 28%, dew point 19° {yesterday, the readings were 54% and 37° respectively}, current snow level is near 3000' (yesterday, it was 9500'!), observation time temperature 56.7°, and the barometric pressure 29.82" and falling. |
| 5/10/2012 |
5:33 AM |
0.00 |
0.0 |
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0.0 |
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Very dry air is moving East by SE over Northern CA, Western (just North of Lake Tahoe) to NE NV, and SW to NE ID (closest to the WY border). Also moving East over WA (even though the skies are clear), most of OR (except for the SE portion) and the panhandle of ID is an indication of moist air. The result of this Eastward movement is forcing "clouds" East by NE over the middle third of MT with some energy extending SW over SE ID (near the WY border) and NW UT. Although high pressure is West of the PNW with its apex over the Gulf region, it should move over the area sometime tomorrow and remain over the region (PNW) through early next week resulting in dry weather and warmer temperatures. In the meantime, today, tonight, and tomorrow morning should remain relatively cool "as unseasonably cool and dry air resides over the area. Couple that with clear skies and light wind brings the potential for freezing temperatures Friday morning". However, by tomorrow, freezing levels will begin to rise in earnest with the maximum levels hovering between 11,000' and 12,000' from early in the week-end to early next week. Mid afternoon weather for 5/09-an Altostratus overcast (except for partial clearing from the West to the North), temperatures are in the upper 50's to low 60's {or, about 20-25 degrees cooler than yesterday at this time}, BP 29.92"F along with a nice breeze from the NW. Current conditions for 5/10-mostly clear (widely scattered Cumulus), light haze, no precipitation in the last 24, and light air movement. It is from the West at 4-8 mph, wind gust: out of the WNW to 20 mph, humidity 37%, dew point 22°, current freezing level is 1500' rising to 4500' later this afternoon, observation time temperature 43.9°, and the barometric pressure 30.12" and rising.
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| 5/11/2012 |
5:59 AM |
0.00 |
0.0 |
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High pressure that yesterday was West of the PNW with its apex over the Gulf region, has since moved East and strengthened in the process over BC, WA and OR and is expected to remain over the area (mentioned above) through early next week resulting in dry weather and warmer temperatures. The warmest period should be from Sunday through Tuesday, where temperatures will range from the mid to upper 80's and possibly even nudge ninety degrees. In addition to the high pressure over the areas mentioned above, one model shows high pressure over the ocean just SW of Vancouver Island, and another over SE BC. Mid afternoon weather for 5/10-mostly clear (widely scattered Cumulus), on an otherwise pleasant but somewhat coolish spring afternoon. Temperatures are in the mid to upper 60's, BP 30.05"R along with light air movement from the NW. Current conditions for 5/11-mostly clear (widely scattered Cirrus), light to moderate haze, no precipitation in the last 24, and very little by way of air movement. It is from the WNW at 1-4 mph, wind gust: out of the NW to 13 mph, humidity 51%, dew point 28° {yesterday, the readings were 37% and 22° respectively}, current freezing level is near 4500' rising to 7000' later this afternoon, observation time temperature 42.6°, and the barometric pressure 30.12" and rising. |
| 5/12/2012 |
5:58 AM |
0.00 |
0.0 |
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Mid afternoon weather for 5/11-clear skies on a gorgeous spring afternoon, temperatures are in the low to mid 70's, BP 30.05"F along with light air movement from the South. Current conditions for 5/12-clear skies, light to moderate haze, no precipitation in the last 24, and very little by way of air movement. It is from the North at 2-6 mph, wind gust: out of the NNE to 13 mph, humidity 63% (yesterday, the reading was 51%), dew point 30°, current freezing level is near 10,500', observation time temperature 44.4°, and the barometric pressure 30.12" and falling. |
| 5/13/2012 |
6:00 AM |
0.00 |
0.0 |
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0.0 |
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High pressure remaining firmly in place over the area including Alberta, WA, OR, ID, MT as well as most of BC and Saskatchewan has resulted in continued dry weather and warm temperatures. Today through Tuesday looks to be the warmest period with maximum freezing levels hovering between 12,000' and 12,500' before beginning a gradual decline Tuesday night and reaching a minimum level of 4000' by early Saturday morning. In the meantime, very dry air is currently over the Northern panhandle of ID, NE to Southern WA (the border-South of Goldendale) and Eastern OR with moist air moving slowly East over Western WA and OR. This is believed to be caused by an upper level low (with its center-accompanied by very dry air-over the ocean and West of Monterey Bay) moving slowly North by NE toward Northern CA and forcing moist air over the areas mentioned above. Interestingly, there is some energy moving North from off the coast of Northern CA to Southern OR with some of this energy extending SE over Montery Bay and the Bay area while at the same time moving NW in an attempt to conform to the counterclockwise rotation of the upper level low. Mid afternoon weather for 5/12-clear skies on another beautiful afternoon, temperatures are in the low to mid 70's along with a cool and refreshing breeze from several locations including the SE, South, and SW. Current conditions for 5/13-clear skies, light to moderate haze, no precipitation in the last 24, along with some light air movement. It is from the North at 4-8 mph, wind gust: out of the NNW to 12 mph, humidity 49%, {yesterday, the reading was 63%}, dew point 33°, current freezing level is near 12,500' [yesterday, it was 10,500'], observation time temperature 49.6°, and the barometric pressure 30.07" and falling. Happy Mothers day!! |
| 5/14/2012 |
5:37 AM |
0.00 |
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One more day of warm temperatures and pleasant conditions before the freezing level begins a gradual decline from near 13,000' today and tomorrow to near 5500' by Friday, then rebounding to some degree over the week-end. Yesterday's upper level low that was moving slowly North by NE toward Northern CA, is now over Northern CA with the center (still accompanied by very dry air) over the Ukia region (NW of the Bay area) and in the process, is pushing moist air from the South over most of OR (except for the far Eastern and Southeastern portions) and WA. Meanwhile, with an upper level low over the Gulf, and a "trough" well South of the upper level low, a "bulky" band of clouds {containing some energy} is slowly moving East by NE over the Queen Charlottes, the NW half of Vancouver Island and most of BC (except for the extreme Northern and Southern portions) before turning SE over SW Alberta as it rides up and crests the ridge of high pressure currently over the area (WA, OR, ID, MT, most of BC and Alberta). Mid afternoon weather for 5/13-mostly clear (widely scattered Cirrus and Cirrostratus) and warm, temperatures are in the mid to upper 80's, BP 29.89"F along with light air movement from the NW. Current conditions for 5/14-clear skies, light to moderate haze, no precipitation in the last 24, and very little by way of air movement. It is from the North at 5-6 mph, wind gust: out of the NNW to 16 mph, humidity 46%, dew point 37°, current freezing level is near 13,000', observation time temperature 54.3°, and the barometric pressure 29.94" and falling. |
| 5/15/2012 |
5:31 AM |
0.00 |
0.0 |
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As the freezing level begins a gradual decline today (from 12,500') and reaches a minimum of 5000' by the end of the work week, this will be reflected in the high temperatures during the period from the mid to upper 80's and possibly nudging the 90's today to the upper 60's to low 70's by the end of the work week (or a potential difference of 15-20 degrees). Although these cooler temperatures will be brief in duration, they nonetheless appear to be the result of a trough moving over the area sometime Wednesday and Thursday. Yesterday's "bulky" band of clouds that contained some energy and was moving slowly East by NE over the Queen Charlottes, the NW half of Vancouver Island and most of BC (except for the extreme Northern an Southern portions) before turning SE over SW Alberta, is now moving East by SE over central and Northeastern as well as most of Southern BC, Vancouver Island, NW WA and OR and appears to have weakened and become disorganized in the process since yesterday. Meanwhile, there are indications that the upper level low (currently over the Gulf with its center West of Northern SE AK) and its Eastward movement, will be a major player in breaking down the upper NW side and apex of the ridge of high pressure over the area (WA, OR, ID, and MT) and moving it East of the region (WA) by sometime tomorrow. Current conditions for 5/15-from clear skies earlier this morning to scattered Cirrus and Cirrostratus {mainly West of a North/South line}, moderate haze, no precipitation in the last 24, and some light air movement. It is from the WNW at 3-10 mph, wind gust: out of the NW to 18 mph, humidity 36% (yesterday, the reading was 46%), dew point 37°, current freezing level 12,500', observation time temperature 58.5°, and the barometric pressure 29.80" and falling. |
| 5/16/2012 |
5:35 AM |
0.00 |
0.0 |
M |
0.0 |
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Yesterday's upper level low that was over the Gulf (with its center West of Northern SE AK), has since moved East over NW BC (with the center also over NW BC just South of the Southern Yukon border) and has accomplished the breaking down of the upper NW side and apex of the ridge of high pressure and moving it East of the area (WA) over MT, the Dakotas, Saskatchewan, and most of Alberta and Manitoba {with its apex just over the NW Territories Southern border} although it is, for the time being, close enough to be influential. Since there is no high pressure over the Gulf region, and no upper level trough over the area (which would set up "windy" conditions) for the time being, why is it windy? One model shows a cold front moving East by SE over the far Western Northern panhandle of ID, SE corner of WA, and NE to Southern OR (near the Lakeview region). It is believed that the "passage" of the cold front is responsible for the wind. Mid afternoon weather for 5/15-mostly cloudy (scattered Cirrus, Cirrostratus and an immense halo), temperatures are in the upper 80's to low 90's, BP 29.69"F along with light air movement from the NW. Current conditions for 5/16-mostly cloudy (Cirrus, Cirrostratus and Altostratus), light to moderate haze, no precipitation in the last 24, and light wind velocities. They are from the WNW at 3-7 mph, then from the West at 7 mph, wind gust: out of the NW to 15 mph, then out of the WNW to 17 mph, humidity 29%, dew point 34°, current freezing level is near 9000' [yesterday, it was 12,500'], observation time temperature 67.3°, and the barometric pressure 29.74" and falling. |
| 5/17/2012 |
5:40 AM |
0.00 |
0.0 |
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0.0 |
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Yesterday's "wave" that was moving East by NE off the coasts of CA and Southern OR, continues to move the same direction but now over most of OR and SE WA (drier air is moving SE over NW OR, SW to NE WA and the Northern panhandle of ID) NW CA, and from the Bay area to Lake Tahoe, Northern NV, most of ID and Western MT as this flow pattern is congruous to the NPJ, GFS, and NAM models (SW to NE). Meanwhile, yesterday's upper level low has moved from NW to Eastern BC with its center over the Northern BC/Alberta border. In addition, an upper level trough should move over the area sometime today before "shifting" out of the area (WA) sometime tomorrow as building high pressure approaches the West coast. There are indications that this ridge of high pressure will be over the area (WA) by the first half of the week-end and remain through early next week. Mid afternoon weather for 5/16-mostly cloudy (Cirrus, Cirrostratus and a halo) except to the NW where there is partial clearing. Temperatures are in the upper 70's to low 80's, BP 29.71"F along with light air movement mainly from the NE though occasionally from the NW. Current conditions for 5/17-mostly clear (some Cumulus from the West to the South), light to moderate haze, no precipitation in the last 24, and light wind velocities. They are from the West at 9-11 mph, then from the WNW at 8 mph, wind gust: out of the West to 14 mph, humidity 41% (yesterday, the reading was 29%), current freezing level is near 5000' [yesterday, it was near 9000'], observation time temperature 55.4°, and the barometric pressure 29.76" and falling. |
| 5/18/2012 |
5:47 AM |
0.00 |
0.0 |
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0.0 |
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While "storminess" is East of the area (WA), drier air is moving SE over Eastern WA and the Northern panhandle of ID, and from the South, it (the drier air) extends North over most of OR before turning NE over Southwestern to Northeastern ID. Meanwhile, one wave is moving East over the Gulf, SE AK, the Queen Charlottes, the NW tip of Vancouver Island and approaching the central coast of BC with its SE end extending over far Western WA and NW OR. Another wave (behind the first one) is also moving East toward the coasts of WA and OR and together (with the Eastward movement) are spreading moist air over far Western WA, Western OR, and Northern CA while some of the moist air is moving SE over Southern CA. In addition, there appears to be a shallow trough over WA with upper level winds flowing SE down the NE side of a high pressure ridge (approaching the West coast) and into the bowels of the shallow trough thereby accounting for light "wind" at the present time. Mid afternoon weather for 5/17-mostly clear (scattered Cumulus from the SW to the SE), temperatures are in the upper 60's to low 70's, BP 29.66"F along with light wind from the West and NW. Current conditions for 5/18-mostly clear (some Cumulus to the SW), light to moderate haze, no precipitation in the last 24, and some light wind velocities. They are from the West at 4-7 mph, wind gust: out of the WNW to 28 mph, humidity 39%, dew point 29°, freezing level is near 4500', observation time temperature 51.3°, and the barometric pressure 29.84" and rising. |
| 5/19/2012 |
5:59 AM |
0.00 |
0.0 |
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0.0 |
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The first of what appears to be three waves is moving East by NE over SE AK, extreme NW BC, the Queen Charlottes while at the same time approaching the SW coast of Vancouver Island with the SE end extending over NW OR resulting in widely scattered showers approaching NW OR and the Eugene area and separate energy moving East over Southern and Southwestern OR. Followed by a brief break, a second wave (also moving East by NE) at this point, appears to be heading toward the same locales mentioned above. Although high pressure is over WA, SE AK, and most of BC with the apex over the Southern Yukon, there are indications that it will only be over the area (WA) through early next week as an upper level trough approaches the WA/OR coasts and looks to be responsible for moving the current high pressure East of the area (WA) and the likelihood of cooler temperatures for most of next week which will be reflected in the freezing levels as they hover between 3500'-4500' during this period. Mid afternoon weather for 5/18-mostly clear (scattered Cirrus and Cumulus), temperatures are in the low to mid 70's, BP 29.80"R along with light air movement from the NW and occasionally from the SW. Current conditions for 5/19-mostly clear (widely scattered Cirrus and Cumulus), light to moderate haze, no precipitation in the past 24, and light air movement. It is from the WNW at 4-8 mph, wind gust: out of the NW to 14 mph, humidity 43%, dew point 32°, current freezing level is near 7000' (yesterday, it was near 4500), observation time temperature 50.7°, and the barometric pressure 29.88" and rising. |
| 5/20/2012 |
6:05 AM |
0.00 |
0.0 |
M |
0.0 |
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Mid afternoon weather for 5/19-although it was mostly cloudy (scattered Cirrus, Altocumulus and Cumulus), a spectacular view of Mt.Stuart, the Enchantments, and Glacier Peak was afforded! Temperatures are in the mid to upper 70's, BP 29.79"R along with air movement mainly from the SE but occasionally from the East. Current conditions for 5/20-overcast (Altostratus), moderate haze, no precipitation in the last 24, and very little air movement at the present time. It is however, from the WNW at 3-7 mph, wind gust: out of the NW to 11 mph, humidity 44%, dew point 37°, current freezing level is near 7500', observation time temperature 58.5°, and the barometric pressure 29.83" and rising. |
| 5/21/2012 |
5:52 AM |
0.01 |
0.0 |
M |
0.0 |
M |
Although high pressure remains over WA, OR, ID, MT and most of BC, Alberta and Saskatchewan, it has already begun to move East as a "peanut-shaped" upper level low (with its center over the ocean and SE of the inner Aleutians) appears to be influencing its Eastward movement. As a result, "the recent string of dry days will come to an end as a series of storm systems track through the region with light rainfall tonight and Tuesday region wide". In addition, "an unseasonably strong cold front will usher in a cooler air mass today". This will have two results with the first being "lowlands will be cool and wet with locally breezy winds at times through Thursday" and the other result features "falling snow levels tonight to around 4000' with snow possible for the higher mountain passes through Thursday". Mid afternoon weather for 5/20-overcast (Altostratus, scattered Cumulus, and a small area of Cirrus to the East), temperatures are in the low to mid 70,s, BP 29.76"R along with light air movement from the SE. Current conditions for 5/21-overcast (with intermittent light showers), and very little air movement at the present time. It is from the WNW at 1-4 mph, wind gust: out of the NW to 14 mph, humidity 71%, dew point 49° {yesterday, the readings were 44% and 37° respectively}, current freezing level is near 7500' observation time temperature 59.4°, and the barometric pressure 29.72" and falling. |
| 5/23/2012 |
5:37 AM |
0.00 |
0.0 |
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0.0 |
M |
The "big story" appears to be the "cooler than usual temperatures for this time of year" with snow levels hovering around 4000'. In support of this, one model is showing snow for the coastal mountains of SW BC and the Cascades of WA (where up to 4" is expected in the Northern Cascades and up to 5" in the Southern Cascades. Even the Olympics are expecting up to 2" of the white stuff!) as well as the Canadian Rockies {Banff/Jasper region}. Although "dry and sunny weather along with warmer temperatures" are forecast to return for the first half of the week-end, this observer does not concur with it as the GFS, NAM, and especially the Canadian model shows an upper level low centered off the Northern coast of OR by sometime Friday, and near the Bay area (CA) by sometime Saturday (with its Southernmost boundary over Southern CA). So it would appear, at this point, that this upper level trough is strong enough to block the high pressure from establishing itself over the area (WA). Current conditions for 5/23-mostly overcast (scattered Altocumulus and Cumulus) except for partial clearing from the West to the NE, light haze, no precipitation in the last 24, and some nice wind velocities. They are from the West at 5-12 mph, wind gust: out of the WNW to 18 mph, humidity 56%, dew point 37° {yesterday, the reading was 28°}, current snow level is near 4500', observation time temperature 50°, and the barometric pressure 29.70" and falling. |
| 5/24/2012 |
6:07 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although high pressure has strengthened considerably since yesterday, with its apex South of Kodiak Island, there appear to be indications that it will not reach the West coast for a couple of reasons. The first of which is a trough with its present boundary extending SW over the ocean West of Vancouver Island, WA and OR. By tomorrow, it will have continued its Southern trek, strengthened into an upper level low (with its center over SW OR and NW CA) until sometime Saturday when the upper level low will now be NE of CA and centered over NW UT to SW ID. The other reason is in regard to another upper level low SE of the middle Aleutians as it moves NE from its present location to over the Gulf by sometime Saturday. Therefore, it is believed that the combination of these two upper level lows will completely breakdown the ridge of high pressure mentioned above between now and the beginning of the week-end. However, there are indications that high pressure should begin to build over the area (WA) sometime early next week and remain over the area through the first half of that week-end. Mid afternoon weather for 5/23-mostly cloudy (scattered Cirrus, Altocumulus, and Cumulus), temperatures are in the upper 60's to low 70's, BP 29.68"R along with light air movement from the NE. Current conditions for 5/24-partly cloudy (scattered Cirrus, Altocumulus and Cumulus), light haze, no precipitation in the last 24, along with some light wind velocities. They are from the WNW at 6-11 mph, wind gust: out of the NW at 14-16 mph, humidity 52%, dew point 35°, current snow level is near 4000', observation time temperature 54.1°, and the barometric pressure 29.68" and rising. |
| 5/25/2012 |
5:44 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although "active weather " is absent in WA for the time being, such is not the case in OR (where "clouds" over OR and central ID are conforming to the counterclockwise rotation of the upper level low now centered over Northern CA-NW of Lake Tahoe) or SW to NW MT, and NE ID {closest to WY} where, believe it or not, a winter weather forecast has been posted for these areas just mentioned which indicate 8-20" are possible above 6000' and 3-8" below 6000'. Meanwhile, the "warmer" forecast for today and tomorrow is not reflected by the current freezing levels as there is only a 500' difference during this period (6500'-7000'). Mid afternoon weather for 5/24-mostly cloudy (scattered Cirrus and Cumulus) and light rain showers from the NW to the East on or near Burch Mountain to the North, Badger Mountain to the East and Mission Ridge to the SW. Temperatures are in the upper 60's to low 70,s BP 29.56"F along with a nice breeze from the NW. Current conditions for 5/25-mostly cloudy {scattered Cirrus, Cirrostratus, and Cumulus}, light haze, no precipitation in the last 24, and, some nice air movement. It is from the East at 2 mph, then from the West at 2-4 mph, wind gust: out of the ENE to 12 mph, then out of the NW to 12 mph, humidity 54%, dew point 43° {yesterday, the reading was 35°}, current snow level is near 6500' [yesterday, it was near 4000'], observation time temperature 55°, and the barometric pressure 29.69" and falling. |
| 5/26/2012 |
6:40 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Two days ago, it was suggested that an upper level low SE of the middle Aleutians would move NE from that location and be over the Gulf region at the beginning of the week-end. Currently, it continues to move East by NE over the Gulf toward extreme NW BC and forcing clouds associated with it NE over the Western to Southeastern part of the Yukon, Northwestern BC, and SE AK while the Southern half moves East over the Queen Charlottes and is approaching the NW tip of Vancouver Island. The other upper level low that was suggested to be NE of CA by the beginning of the week-end, is, indeed NE of CA; however, its center is over South central NV. It is believed therefore, that the combination and location of these two upper level lows contributed to the gradual breakdown of the high pressure ridge of two days ago to a mere remnant (off the coasts of WA and OR) today. Meanwhile, "active weather" continues over SW to NW MT where, once again, SNOW is in the forecast as snow levels will lower overnight to around 4000' and snowfall will range between 12-24" above 6000' and 3-6" between 4000' and 6000'. Current conditions for 5/26-partly cloudy (all Cumulus), light haze, no precipitation in the last 24, and some light air movement. It is from the West at 4-7 mph, wind gust: is out of the WNW to 13 mph, humidity 41%, dew point 36° {yesterday, the readings were 54% and 43° respectively}, current freezing level is near 7000', observation time temperature 58.6°, and the barometric pressure 29.74" and rising. |
| 5/27/2012 |
5:33 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 5/26-In addition to being mostly overcast (except for partial clearing from the West to the NE), virga was observed from the West to the NW. Temperatures are in the mid to upper 70's, BP 29.63"F along with light air movement from the SW. Current conditions for 5/27-mostly clear, light to moderate haze, no precipitation in the past 24 and windy. It is from the West at 9-12 mph, with gusts up to 22 mph from the WSW, humidity 41%, dew point 38°, current snow level is near 6500', observation time temperature 58.6°, and the barometric pressure 29.70" and rising. The next report will be on Tuesday 5/29. Have a wonderful and memorable Memorial Day. |
| 5/29/2012 |
5:33 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Currently, very dry air over Eastern and a portion of NW WA as well as NE OR, is moving Easy by NE over SE BC and the panhandle of ID as moist air (in the form of a "wedge") is moving over most of WA and OR from the West. In addition, a trough extends SE over the NW half of Vancouver Island with its Southeastern boundary over NW WA. Meanwhile, what appears to be a
"system" is flowing around an upper level low moving East by NE (SE of and parallel to the middle Aleutians) with the bulk of the NE end approaching SE AK and the Queen Charlottes while a fragment moves East by SE over Vancouver Island, Western WA and NW OR. Interestingly, dry air is moving SW to NE between the upper level low to the NW, and the "system" to the SE giving it (the "system") a knife-edge appearance. Mid afternoon weather for 5/28-partly cloudy (all Cumulus) on a very pleasant spring afternoon. Temperatures are in the mid to upper 70's, BP 29.74"R along with light air movement mainly from the NNW though occasionally from the West. Current conditions for 5/29-from mostly clear earlier this morning to mostly overcast (Cirrus, Cirrostratus and an immense halo!), light haze, no precipitation in the past 24, and light air movement. It is from the WNW at 4-7 mph, wind gust: out of the NW to 20 mph, humidity 40%, dew point 32°, current snow level is near 5000' rising to 6000' later this afternoon, observation time temperature 54.1°, and the barometric pressure 29.85" and rising. |
| 5/30/2012 |
5:37 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although yesterday's trough (in the form of a "wedge") was over the NW half of Vancouver Island with its Southeastern boundary over NW WA, high pressure has since begun to build over WA, OR, ID, and should remain over the area through the first half of the week-end resulting in dry conditions and warmer temperatures. During this period, the freezing level will reflect the warmer temperatures as it rises later this afternoon to a maximum of 9500'. At the present time however, there is an indication of moisture streaming over WA, OR, ID and Northern CA accompanied by a series of waves/disturbances; the first of which is moving East by SE over Southern WA (which deposited heavier showers over the SE tip of Vancouver Island and less intense showers from Olympia to the Lake Stevens area) and a second {moving NE} approaching the central coast of BC and the NW half of Vancouver Island. Mid afternoon weather for 5/29-from a Cirrus and Cirrostratus overcast earlier in the day to an Altostratus overcast. Temperatures are in the mid to upper 60's, BP 29.84"R along with light air movement from the NW. Current conditions for 5/30-overcast (except for partial clearing to the NW and North), light haze, no precipitation in the past 24, and very little air movement. It is from the West at 3-4 mph, wind gust: out of the WNW to 16 mph, humidity 43%, dew point 35°, current freezing level is near 7000' rising to 9500' later this afternoon. observation time temperature 58.8°, and the barometric pressure 29.95" and rising. |
| 5/31/2012 |
5:32 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although "high pressure" over the area (WA) is somewhat flat thereby allowing disturbances to move East over Vancouver Island, WA, Southern BC and Alberta, Northern OR and ID, as well as Northwestern to Southwestern MT, it should rebuild later today and remain over the area through the first half of the week-end. Mid afternoon weather for 5/30-scattered Cirrus, Cirrostratus and Altocumulus on an otherwise very pleasant spring afternoon. Temperatures are in the mid to upper 70's, BP 29.90"R along with light air movement from the South. Current conditions for 5/31-mostly cloudy (scattered Cirrus, Cirrostratus and Cumulus), light to moderate haze, no precipitation in the past 24, and very little by way of air movement; although it has picked-up in the last few minutes. It is from the WSW at 2-4 mph, wind puff: out of the SW to 5 mph, humidity 95%, dew point 54°, {yesterday, the readings were 43% and 35° respectively}, current freezing level is near 10,000', observation time temperature 62.1°, and the barometric pressure 29.87" and rising. Here are some interesting EOM stats for May- 1) total rain: 0.28" or, 55% of average, 1a) precipitation outlook: not very encouraging as the three month forecast is calling for below average precipitation for the months of June, July, and August, 2) number of days with no precipitation: 28, 3) high BP: 30.28" on 5/06, 4) low BP: 29.56" on 5/03, 5) date with low BP and no precipitation: 29.67" on 5/22, 6) date with high BP and precipitation: this event did not occur, 7) average BP: 29.86", 8) average morning temperature: 52.7° {or 8.2° below the mean average for May}, 9) high morning temperature: 67.3° on 5/16, and 10) low morning temperature: 42.6° on 5/11. |
| 6/1/2012 |
5:35 AM |
0.00 |
0.0 |
M |
0.0 |
M |
One model shows low pressure over SW BC and another just off the NW half of Vancouver Island with a cold front moving SE and approaching the SE half of Vancouver Island while at the same time adjacent to the Northern coast of WA (Olympic Peninsula). By sometime Saturday however, the low pressure off the NW half of Vancouver Island will move East over central BC (West of Prince George) and in the process strengthen into an occluded front with the warm front portion moving NE over NE WA while the cold front part of it is moving East by SE over the middle third of WA and from Northern (The Dalles area) to SW OR before exiting the region later the same day. As a result of this passing cold front, cooler temperatures should be realized in the area and be especially noticed in the freezing level as it begins to retreat from its maximum level of 10'000' today and reaches a minimum of 5500' by Saturday night. In the meantime, a "few rain showers are expected throughout Friday" {including this area North to Omak as well as NE and SE of Moses Lake} while the "heavier rain amounts" (isolated thunderstorms) are expected in NE WA and the Northern ID mountains by sometime tomorrow. Mid afternoon weather for 5/31-mostly cloudy(scattered Cirrostratus, Altocumulus, and Cumulus) on a pleasant afternoon. Temperatures are in the mid to upper 70's, BP 29.85"R along with light air movement mainly from the NW. Current conditions for 06/01-partly sunny (scattered Cirrus, Cirrostratus, Altocumulus and Cumulus), light to moderate haze, no precipitation in the last 24, and very little by way of air movement. It is from the WSW at 0-4 mph, wind puff: out of the SW to 9 mph, humidity 94%, dew point 52°, current freezing level is near 10,000', observation time temperature 63°, and the barometric pressure 29.75" and falling. |
| 6/2/2012 |
5:57 AM |
0.00 |
0.0 |
M |
0.0 |
M |
A moderate sized pocket of dry air is moving East by NE over the SE half of Vancouver Island, SW and Southwestern BC, most of WA and NW OR which in turn forced moisture and energy ahead of it over far Eastern WA, the panhandle of ID and NW MT. The cold front that was forecast to pass over WA by sometime today, is currently in the process of doing so. In its wake however, cooler temperatures are in the offing and should be noticed early in the work week both in the freezing level (as it will be hovering between 4500' and 5000') and also the temperatures (upper 50's to low 60's) during this period. Meanwhile, there is a "risk of severe weather on Monday afternoon with the possibility of strong thunderstorms over the northern panhandle of ID and extreme Eastern WA. The main risk: strong winds and large hail as a front sweeps in from the West". Mid afternoon weather for 6/01-not much change from earlier in the day as it is still partly sunny (scattered Cumulus, Cirrostratus, Altocumulus and Cumulus) on a warm afternoon. Temperatures are in the low to mid 80's, BP 29.61"F along with light air movement from the NE. Current conditions for 6/02-partly cloudy (all Cumulus), light haze, no precipitation in the last 24, and light air movement. It is from the South at 4-9 mph, then from the NE at 3 mph, wind gust: out of the SSW to 21 mph, then out of the NE to 20 mph, humidity 60%, dew point 44° {yesterday, the readings were 94% and 52° respectively}, current snow level is near 5500', observation time temperature 64°, and the barometric pressure 29.61" and falling.
|
| 6/3/2012 |
5:47 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although one model currently show rain showers from the SW moving East by NE over far Western OR and Southwestern WA along with scattered pockets of precipitation (from West to East) over the central part of the area (WA) and calm weather appears to be over the area for the time being, changes are on the way as "heavy rain and strong to severe thunderstorms are possible Monday. A strong weather system is expected to move through Monday afternoon into Monday night". The chance of precipitation for this area is 80% and 60% respectively. "There will be a chance of some strong even severe thunderstorms across the ID panhandle and Western MT with some of these storms being capable of producing large hail and damaging downdraft winds. Ample moisture is expected to produce periods of heavy rainfall, especially across the basin over into the ID panhandle. Moderate to heavy rainfall will form along a developing surface boundary (from NE OR to Northern WA-Western Okanogan county) and there is a good chance for a line or cluster of thunderstorms to develop along the leading edge of this boundary as it moves NE" toward NE WA. Current conditions for 6/03-overcast (Cirrus, an immense halo! Cirrostratus and widely scattered Cumulus}, light to moderate haze, no precipitation in the past 24, and light air movement. It is from the West at 2-5 mph, wind gust: out of the WNW to 14 mph, humidity 46%, dew point 36° {yesterday, the readings were 66% and 44° respectively}, current freezing level is near 6500' [ yesterday, it was near 5500'], observation time temperature 58.1°, and the barometric pressure 29.71" and rising. |
| 6/4/2012 |
6:01 AM |
0.03 |
0.0 |
M |
0.0 |
M |
At the observation time indicated above, 0.03" were already recorded and currently it is still raining. An upper level trough (which possesses very dry air in its bowels and Eastern side) with its South easternmost boundary still over the ocean just West of Southern CA {NW of the Lompoc area} is moving East by NE, and has begun to move inland over far Western Northern CA (with the driest air approaching the Bay area) and Southwestern OR. This in turn, is forcing moist air ahead of it over Southern CA (LA region) and
Western NV. Meanwhile, with ample moisture associated to a "system" moving South to North over Northern CA, OR, and WA (which is congruous with the upper level wind pattern, the NPJ, GFS, and NAM models-South to North), how much rain can be expected in this area? "Persistent moderate to heavy rainfall is expected across the Columbia basin into the Okanogan highlands and Westward over into the east slopes of the Cascades". Here are some interesting totals as the "rain cast" calls for 0.77" in Seattle, 1.13" in Eugene, OR, 0.61" in Burns, and 0.94" in Crescent City, CA by Wednesday evening. Mid afternoon weather for 6/03-mostly cloudy (scattered Altocumulus and widely scattered Cumulus). Temperatures are in the low to mid 70's, BP 29.68"R along with light air movement from the NW. Current conditions for 6/04-overcast with persistent light rain, the ridges to the East and South are completely obscured from view and very little air movement. It is from the North at 2-5 mph, wind gust: out of the NNW to 12 mph, humidity 89%, dew point 46° {yesterday, the readings were 46% and 36° respectively}, current snow level is near 7000', observation time temperature 56.5°, and the barometric pressure 29.69" and rising. |
| 6/5/2012 |
5:31 AM |
0.15 |
0.0 |
M |
0.0 |
M |
When the first observation was made yesterday morning (6:01A), 0.03" was already in the gauge which was posted. From that time to 1:20P, another 0.11" was recorded. Very light rain fell for an additional 0.02" between 3p-4p, and finally, when the gauge was checked again at 10:25P, another 0.02" was recorded for a total of 0.15". Believe it or not, SNOW is in the picture once again, this time for the WA Cascades as an "unseasonably cold upper level trough for June will bring wet, cool, and breezy conditions to Western WA through tonight and several inches of snow to the Cascades above 4000' today. Interestingly, there is only 15 days until the first day of summer and the snow level for today, tonight and tomorrow will be near 4000' which is rather low for this time of year. Meanwhile, it is believed that three items contributed to moving yesterday's storm from over WA to Northern BC and Alberta before turning SE over Northern to Southeastern Saskatchewan. The first is an upper level trough that moved East by NE over WA and OR, the second item would be the upper level winds flowing in a SE to NW pattern over WA, ID, and BC, and finally, drier air, also flowing in a SE to NW pattern over NW WY, Western MT and Southwestern
Alberta. Current conditions for 6/05-mostly overcast (Altocumulus and Cumulus), light haze, and some nice air movement. It is from the West at 5-7 mph, wind gust: out of the WNW to 18 mph, humidity 70% {yesterday, the reading was 89%}, dew point 43°, current snow level is near 4000', observation time temperature 56.1°, and the barometric pressure 29.59" and falling. |
| 6/6/2012 |
6:05 AM |
0.06 |
0.0 |
M |
0.0 |
M |
Between the hours of 10:06PM on 6/04 and 7:05AM on 6/05, an additional 0.06" was recorded for a grand total of 0.24". High temperatures should remain cool today through the week end and range between the upper 50's to low 60's (or, about 20° below the maximum average for June which is 80°) as colder air sweeps in from the North over NW to SE WA. Today, these cooler conditions will be especially noticed in the Northeast mountains of WA, and the Panhandle mountains of ID as "light to moderate snowfall accumulations are expected". "Sherman Pass, for example, does have some light accumulations through 7AM this morning. However, above 5000', as much as 2-4' is expected. W-O-W! In addition, one model shows snow for the Canadian Rockies (BC/Alberta) and NW to SW MT. Meanwhile, a moderate sized "disturbance" is over NW to SE WA, the Northern panhandle of ID, and NW MT. There are indications however, that these cooler temperatures (mentioned above) should begin to moderate somewhat as high pressure moves over the area (WA) early next week though only for a brief period as it begins to break down by mid week. Mid afternoon weather for 6/05-overcast (Altocumulus and scattered Cumulus). Temperatures are in the low to mid 60's, BP 29.74"R along with some nice air movement from the NW. Current conditions for 6/06-mostly overcast (Altostratus) with partial clearing from the SW to the SE, no precipitation in the last 24, light haze, and some nice air movement. It is from the West at 7-14 mph, wind gust: out of the WSW to 20 mph, humidity 42%, dew point 29° (yesterday, the readings were 70% and 43° respectively), current snow level is near 4000', observation time temperature 54°, and the barometric pressure 29.85" and rising.
|
| 6/7/2012 |
5:49 AM |
0.10 |
0.0 |
M |
0.0 |
M |
Since the hour indicted below, 0.10" has been recorded. An upper level low centered just West of NW Vancouver Island is moving East by NE and appears to be moving inland over NW to SW WA, and almost the entire West coast of OR and forcing clouds associated to this upper level low "pinwheeling" over Vancouver Island, Southwestern and Southern BC, most of WA with some of the energy extending South over Northern OR. As noted yesterday, high temperatures should remain cool through most of the week-end (upper 50's to low 60's) and will be reflected by the snow level as it hovers between 4500' and 5500'. This low snow level underscores the probability that this low pressure is "unseasonably cold, strong", and will "move through the PNW {WA and OR} the next several days bringing showers/widespread rain and cooler temperatures East of the Cascades. As a result, snow levels will lower to between 4000'-4500' Friday night and Saturday morning where temperatures at this point will be 10-15 degrees below normal with rain, snow, and breezy winds also expected on Saturday". Mid afternoon weather for 6/06-partly cloudy (scattered Cirrus and Cumulus) to the South while to the North it was mostly cloudy (Cirrus and Cirrostratus). Temperatures are in the upper 60's to low 70's, BP 29.81"R along with some nice air movement from the NW. Current conditions for 6/07-a Nimbostratus overcast with a steady rain, and very little air movement. It is from the West at 0 mph, wind gust: out of the WNW to 11 mph, humidity 76%, dew point 38° (yesterday, the readings were 42% and 29° respectively), current snow level is near 6500' [yesterday, it was near 4000'], observation time temperature 49.5°, and the barometric pressure 29.81" and rising. |
| 6/8/2012 |
7:00 AM |
0.19 |
0.0 |
M |
0.0 |
M |
Yesterday it began to rain at 7:47A and by 11:20A 0.10" had been recorded which was posted. A very light rain fell between the hours of 11:21A and 2:15P for an additional 0.04" A more intense rain fell between the hours of 5:40P and 6:53P and an additional 0.15" was recorded for a grand total of 0.29". The upper level trough, since yesterday, has moved inland over WA and OR with its Southern most boundary over Northern CA along with an upper level low centered off the Southern coast of WA and, at first glance appears to be exerting tremendous influence on clouds moving SE to NW (or counterclockwise) over most of Alberta and BC when actually, the flow pattern of these clouds are congruous to the upper level winds, NPJ, GFS, and NAM models (SE to NW). Meanwhile, "cooler than normal temperatures will be the story for the weekend" as high temperatures will continue to be cool and range between the upper 50's to low 60's. "Along with these cooler temperatures, widespread valley rain and scattered mountain snow will also continue to influence Eastern WA and the ID Panhandle for much of the weekend". These cool conditions will be especially noticed tonight and tomorrow as light snow accumulations {up to 3"} are expected in most areas above 4500', and 3-5" above 6000'. However, "a rebound in temperatures is in sight for the early part of next week" as high pressure moves over the area during this period. Current conditions for 6/08-overcast (except for some partial clearing to the SW), with light precipitation just underway, the haze is light to moderate and very little by way of air movement. It is from the West at 2-6 mph, wind gust: out of the WNW to 12 mph, humidity 77%, dew point 40°, current snow level is near 4500', [yesterday, it was near 6500'], observation time temperature 46.6°, and the barometric pressure 29.75" and falling.
|
| 6/9/2012 |
5:40 AM |
0.02 |
0.0 |
M |
0.0 |
M |
A very interesting scenario has developed between high pressure to the West and an upper level trough. Yesterday, when the upper level trough was over WA and its Southernmost boundary over Northern CA (along with an upper level low centered off the Southern coast of WA) has since moved East with its Southern most boundary over Northern NV and the upper level low now centered over the Northern panhandle of ID. As "energy" moves up and attempts to crest the ridge of high pressure (currently over MN), it is believed that the "clouds" approaching the apex appear to be greatly influenced by the counterclockwise movement of both the upper level low {mentioned above}, and also the upper level winds as they (the "clouds") move East by SW over central Alberta before turning SW over Southwestern and Southeastern BC, most of WA, and NE OR. So, because of "a strong pressure gradient development across the East slopes due to high pressure just nudging the coast of WA and low pressure over NW MT, a wind advisory has been posted from noon to 8PM this evening as NW winds of 20-35 mph with gusts in excess of 40 mph will be possible". Current conditions for 6/09-overcast (except for partial clearing to the North), light haze, no precipitation in the last 24, and very little by way of air movement although it has picked up in the last half hour. It was from the West at 3-7 mph, wind gust: out of the WNW to 15 mph, humidity 45%, dew point 34° {yesterday, the readings were 77% and 40° respectively}, current snow level is near 4500', observation time temperature 52.2°, and the barometric pressure 29.77" and falling. |
| 6/10/2012 |
5:52 AM |
0.00 |
0.0 |
M |
0.0 |
M |
It is believed that the reason for "windy" conditions today are very similar to yesterday as high pressure is just off the coasts of WA and OR-though close enough to be influential-(with it apex just South of the Queen Charlottes) and an upper level low centered over Southwestern Alberta just North of NW MT thereby setting up what appears to be a pressure gradient though not as strong as the one yesterday. Mid afternoon weather for 6/09-very windy and overcast {scattered Altocumulus, Altostratus, and Cumulus} except for partial clearing to the North. Temperatures are in the upper 50's to low 60's, BP 29.77"F along with light to moderate wind, mainly from the North. Current conditions for 6/10-mostly clear (scattered Cirrus and Cumulus), no precipitation in the last 24, light haze, and some nice air movement. It is from the West at 7-13 mph, wind gust: out of the WNW to 23 mph, humidity 46%, dew point 37°, snow level is near 6500' [yesterday, it was near 4500'], observation time temperature 58.2°, and the barometric pressure 29.91" and rising. |
| 6/11/2012 |
5:33 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although the anticipated ridge of high pressure is finally over WA, ID, most of MT, BC and Alberta, its duration will be brief as it will begin to break down and move East by sometime tomorrow. In the meantime today should be warm with maximum temperatures reaching the upper 70's to low 80's before temperatures begin to gradually cool reaching only the mid to upper 60's, possibly nudging the low 70's by mid week to the end of the work week. This "gradual cooling" will also be reflected by the freezing level with the maximum level today at 9500' then gradually reach a minimum level of 6000' by sometime Thursday. Mid afternoon weather for 6/10-mostly clear (scattered Cirrus and Cumulus-the dominant cloud type) on a very pleasant spring afternoon which was quite a contrast to the cooler conditions experienced at the end of the work week and the first half of the weekend. Temperatures are in the upper 70's to low 80's, BP 29.86"R along with some air movement from the NW. Current conditions for 6/11-mostly clear (scattered Cirrus, Cirrostratus and Altocumulus from the South to the SE), light to moderate haze, no precipitation in the last 24, and very little by way of air movement. It is from the North at 3-6 mph, wind gust: out of the NNW to 14 mph, humidity 52%, dew point 38°, freezing level is near 9500' {yesterday, it was near 6500', observation time temperature 53.1°, and the barometric pressure 29.98" and rising. |
| 6/12/2012 |
6:18 AM |
0.00 |
0.0 |
M |
0.0 |
M |
With the warm temperatures of yesterday (low to mid 80's), and both the freezing level and temperatures now on a gradual decline through sometime Thursday, raises the potential for active weather. As a result, the National Weather Service issued a "Hazardous Weather Outlook for potential scattered thunderstorms accompanied by "dangerous lightening, small hail and heavy downpours" this afternoon and evening in the area". Even "isolated stronger storms are possible with hail up to the size of quarters and winds over 40 mph". By mid week however, "these thunderstorms will be confined to NE WA, North Id and NW MT". Mid afternoon weather for 6/11-mostly clear (scattered Cirrus and Cirrostratus to the SE) on an otherwise very pleasant late spring afternoon. Temperatures are in the low to mid 80's, BP 29.83"F along with a light refreshing breeze from several directions including the NE, East, and SE. Current conditions for 6/12-mostly cloudy (except for some partial clearing toward the SE, South and West), light haze, no precipitation in the last 24, and very little by way of air movement. It is from the WNW at 4-6 mph, wind gust: out of the NW to 14 mph, humidity 50%, dew point 46°, {yesterday, the reading was 38°}. current freezing level is near 9000', observation time temperature was 65.8°, and the barometric pressure 29.80" and falling. |
| 6/13/2012 |
5:59 AM |
0.03 |
0.0 |
M |
0.0 |
M |
Active weather is well North of the area (WA) with an upper level trough over Northern BC, and an upper level low centered over the SW portion of the NW
Territories. There is however, a shallow trough over Eastern WA, the Northern panhandle of ID and NW MT with its Southernmost boundary over Northern OR and the ID panhandle. As the upper level winds are currently in a slight NW flow pattern over the areas just mentioned, it is therefore believed they are responsible for the light wind velocities in this area. As far as temperatures and precipitation for the month of June is concerned, one model indicates that the PNW is forecast to have a "greater probability of below normal temperatures and above normal precipitation". Mid afternoon weather for 6/12-overcast and slightly cooler than yesterday at this time. Temperatures are in the mid to upper 70's, BP 29.69"F along with light air movement from the SE. Current conditions for 6/13-clear skies (except for some scattered Cumulus to the South), no precipitation during the overnight, light haze, and some nice air movement. It is from the West at 4-12 mph, wind gust: out of the WNW to 22 mph, humidity 41%, dew point 39° {yesterday, the readings were 50% and 46° respectively}, current freezing level is near 7000' [yesterday, it was near 9000'], observation time temperature 64.5°, and the barometric pressure 29.76" and falling. The next report will not be until 6/18 due to a softball commitment. |
| 6/18/2012 |
6:00 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Today, tonight, and tomorrow the freezing level will be low (5500'-6500') for this time of year which translates to cooler temperatures during this period. Tomorrow through Thursday however, the freezing level will moderate to some extent [7000'-11,000'] and as a result, temperatures become more seasonable (upper 70's to low 80's). Even though an upper level trough is moving East by SE over NE OR and the central panhandle of ID, with its Southernmost boundary over OR, and the indication of moist air is over WA, the Northern panhandle of ID and MT, very dry air is moving East by SE over OR (except near the WA/OR border), Southern ID, most of CA (except for the central portion) and Western (Lake Tahoe area) to NE as well as SE NV. With some ridging West of Vancouver Island, WA and OR along with the upper level trough mentioned above suggests the probability for windy conditions today. Mid afternoon weather for 6/17-partly cloudy (all Cumulus) on an otherwise very pleasant spring afternoon. Temperatures are in the upper 70's to low 80's, BP 29.54"R along with some nice air movement from the NE. Current conditions for 6/18-from mostly overcast earlier this morning to partly cloudy (scattered Cumulus-the dominant cloud type-and Altostratus to the South and from the East to the SE), light haze, no precipitation in the last 24, along with light wind velocities. They are from the West at 3-8 mph, wind gust: out of the WNW to 24 mph, humidity 48%, dew point 37° {yesterday, the reading was 49°}, current snow level is 5000' rising to 6000' later this afternoon, observation time temperature 59.5°, and the barometric pressure 29.58" and falling. |
| 6/19/2012 |
5:38 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Yesterday's upper level trough that was moving East by SE with its Southernmost boundary over OR, has since become wider, moved slightly East by SE with its Southernmost boundary now over Northern NV and UT and contains active weather with an upper level low centered over the Southern Alberta/Saskatchewan border on its NE side while a minor disturbance is bringing scattered showers to NW OR on the NW side. Meanwhile, as mentioned yesterday, the freezing level will begin to moderate from 6000' later this afternoon to 7500' by this evening. This moderation trend will continue for tomorrow and Thursday as the freezing level continues to rise and will hover between 10,500' and 11,000' during this period. Temperatures will also respond during this time by reaching the mid to upper 70's tomorrow and the upper 70's to low 80's by Thursday before a gradual cooling period ensues from the end of the work week through the weekend. Mid afternoon weather for 6/18-partly cloudy (all Cumulus). Temperatures are in the low to mid 70's and the BP is 29.62" and rising. Moderate gusts came from several directions including the NW, North and NE while less intense wind speed was from the South. Current conditions for 6/19-partly cloudy (scattered Cirrus, Altocumulus and Cumulus), light haze, no precipitation in the last 24, and light air movement. It is from the WNW at 4-7 mph, wind gust: out of the NW to 15 mph, humidity 46%, dew point 37°, current snow level is 5000' rising to 6000' later this afternoon, observation time temperature 56.8°, and the barometric pressure 29.78" and rising. |
| 6/20/2012 |
5:34 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Even though today will be warmer than yesterday, tomorrow will be the warmest day of the week (with the probability of being "10 degrees above normal") as temperatures reach the mid to upper 80's in response to the higher freezing level (between 10,500' and 12,000') before gradual cooling ensues "as a low pressure system over the Eastern Pacific will move into the region late Thursday bringing a return to cooler and unsettled weather pattern for the upcoming weekend" thus delaying the "start of summer". Meanwhile, one model shows a rather large, shallow and wide (from the middle Aleutians to Vancouver Island) upper level low with its center West of SE AK moving East by NE toward the Queen Charlottes and Vancouver Island pushing ahead of it what appears to be a weak wave over the central coast and SW BC, the NW half of Vancouver Island {with some of the "clouds" extending SE over NW to central WA}. Mid afternoon weather for 6/19-increasing cloudiness (scattered Cirrus and Cumulus) since earlier in the day. Temperatures are in the low to mid 70's, BP 29.81"R along with light air movement from the NE. Current conditions for 6/20-partly cloudy {scattered Cirrus, Cirrostratus, a small area of Altocumulus and widely scattered Cumulus}, light haze, no precipitation in the last 24, and light air movement. It is from the North at 2-7 mph, wind gust: out of the WNW to 12 mph, humidity 56% (yesterday, the reading was 46%), dew point 41°, current freezing level is near 10,500' [yesterday, it was near 6000'], observation time temperature 54.7°, and the barometric pressure 29.98" and rising. |
| 6/21/2012 |
5:40 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Another shallow and broad (extending from the inner Aleutians to Vancouver Island) upper level trough that contains a rather large upper level low centered West of Southern SE AK. However, looking ahead to early next week, it is projected to slide SE with the upper level low now centered over NW OR while the upper level trough's Southernmost boundary is over Northern CA. Weak high pressure currently over OR, ID, MT and most of WA (with its apex over SE BC and Southern Alberta) will gradually move East of the area (WA) and strengthen in the process with high pressure at the surface in Southern NM and aloft over ID, MT, WY, the Dakotas as well as Saskatchewan and most of Alberta. Mid afternoon weather for 6/20-partly cloudy (scattered Cirrus, Cirrostratus, widely scattered Cumulus and three sun dogs-one toward the West, SW, and East!) on an otherwise very pleasant first day of summer. Temperatures are in the low to mid 80's {about 10 degrees warmer than yesterday at this time}, BP 29.82"F along with light air movement from the East. Current conditions for 6/21-a Cirrostratus/ Altostratus overcast (except for clear skies from the SW to the SE), light to moderate haze, no precipitation in the last 24, and very little by way of air movement. It is from the West at 3-6 mph, wind gust: out of the WNW to 15 mph, humidity 48%, dew point 42°, current freezing level is near 11,000', observation time temperature 59.5°, and the barometric pressure 29.76" and falling.
|
| 6/22/2012 |
5:31 AM |
0.02 |
0.0 |
M |
0.0 |
M |
The amount recorded above was the result of two storms (approximately 15 minutes in duration). Although moist air is moving East over most of CA, Western NV, OR, WA, the central and Northern panhandle of ID and MT, larger amounts of moisture are moving North by NW over Northern CA, central and NW OR, most of Western WA, Vancouver Island, the central coast and North central BC and SE AK as it conforms to the counterclockwise rotation of an upper level low centered off the WA/OR border. Meanwhile, the freezing level is at its maximum today (10,000') and now commences a gradual decline reaching a minimum level of 6500' by early next week "as a low pressure system over the Eastern pacific will migrate across the region bringing a return to a much cooler and unsettled weather pattern for the upcoming weekend". There is also the "possibility of thunderstorms today-along with heavy rainfall accumulations-and Saturday". Mid afternoon weather for 6/20-mostly sunny (scattered Cirrus and Cirrostratus) on a very warm summer afternoon. Temperatures are in the mid to upper 80's, BP 29.58"F along with very slight air movement from the NW. Current conditions for 6/22-mostly overcast (Altocumulus and widely scattered Cumulus), light to moderate haze, along with some nice wind speeds. They are from the WNW at 6-14 mph, wind gust: out of the NW to 20 mph, humidity 63%, dew point 52° {yesterday, the readings were 48% and 42° respectively}, current freezing level is near 10,000', observation time temperature 68.5°, and the barometric pressure is 29.47" and falling. |
| 6/23/2012 |
5:38 AM |
0.03 |
0.0 |
M |
0.0 |
M |
As of yesterday morning, 0.02" had been recorded and was posted. During the hours indicated below, an additional 0.03" was recorded for a grand total of 0.05". The freezing level will continue to remain low through the weekend (as a "low pressure system over the Eastern Pacific will migrate across the region and bring a return to much cooler and unsettled weather for the weekend") and early next week when the minimum level will be near 6000' before a nice rebound occurs near the end of the work week with the freezing level hovering between 9500' and 11,500' as high pressure is projected to build over the area by mid week and remain through the first half of the weekend. Even though "scattered thunder storms are expected this afternoon and evening", "a severe thunder storm warning has been posted for Eastern Pend Oreille county as quarter sized hail, damaging winds in excess of 60 mph and extremely heavy rainfall is expected". The agent responsible for the "warnings" {mentioned above} is believed to be an upper level low centered off the central OR coast which since yesterday, moved East over WA, OR and Northern CA. Mid afternoon weather for 6/22-overcast ((Cirrostratus, Altocumulus and Cumulus). Temperatures are in the mid to upper 70's, BP 29.41"F along with a nice breeze from the NW. Current conditions for 6/23-mostly cloudy (Cirrostratus, Altocumulus, scattered Cirrus and Cumulus) except for partial clearing from the SW to the South, moderate haze, and very little by way of air movement. It is from the East at 2-4 mph, wind puff: out of the East at 7 mph, humidity 72%, dew point 52°, current snow level is near 7500', observation time temperature 58.5°, and the barometric pressure 29.55" and falling. |
| 6/24/2012 |
5:37 AM |
0.04 |
M |
M |
M |
M |
When the gauge was checked yesterday morning, 0.01" had already been recorded. The freezing level will remain low today (6500') before a slight moderation occurs tonight and Monday evening when, during this time, the maximum level will be near 7500' before declining to a minimum of 5500' by Tuesday. Temperatures during this period will reach the low to mid 70's today and tomorrow and only the mid to upper 60's by Tuesday. However, a nice rebound should occur from mid week {with the freezing level now hovering between 9500'-11,500'} through the first half of the weekend as high pressure is projected to build over the area during this period resulting in dry conditions and warmer temperatures (upper 70's to mid 80's!). Although isolated thunder-storms for this area terminated as of 10AM, such is not the case for North central and Northeastern WA where "scattered thunder-storms are expected" a few of which "could be severe". Meanwhile, a large upper level low continues to circulate counterclockwise over WA, OR and Northern CA with its center West of the Northern coast of OR. Mid afternoon weather for 6/23-overcast (except for partial clearing from the SW to the South) with lightning, thunder and ominous appearing clouds to the NW. Temperatures are in the low to mid 70's, BP 29.54"F along with light air movement from the South. Current conditions for 6/24-mostly cloudy (all Cumulus), light to moderate haze, and very little by way of air movement. It is from the West at 2-5 mph, wind gust: out of the WSW to 18 mph, humidity 67%, dew point 44° (yesterday, the reading was 52°), current snow level is near 6500', observation time temperature 55.9°, and the barometric pressure 29.68" and rising. |
| 6/25/2012 |
5:48 AM |
T |
0.0 |
M |
0.0 |
M |
Today and tonight brings a slight moderation to the freezing level as the maximum level will be near 7500' followed by a further reduction on Tuesday to 6000'. Temperatures during this period will be cool and range from the low to mid 70's today and only the low to mid 60's tomorrow (well below the mean average for the month which is 80°). During this time, it will be wet with up to 0.18" expected for this area as "a strong Pacific storm will move across the region Tuesday morning through Tuesday night". However, by mid week through the first half of the weekend, a nice moderation will occur as the freezing level will hover between 9500'-10,500' during this time. Temperatures will reflect the moderation with highs in the low to mid 70's Wednesday, then warming to the upper 70's to low 80's through the rest of the period mentioned above. Meanwhile, energy is moving North by NW over NW OR and the SW coast of WA {with precipitation} as a result of an upper level low centered just West of the OR/CA border. Mid afternoon weather for 6/24-mostly sunny (all Cumulus) which is quite an improvement from earlier in the day when it was overcast with intermittent showers. Temperatures are in the mid to upper 70's, BP 29.78"R along with light air movement from the NW. Current conditions for 6/25-partly sunny {scattered Cirrus, Altocumulus and Cumulus}, light to moderate haze, and some light air movement. It is from the WNW at 4-7 mph, wind gust: out of the NW to 16 mph, humidity 65%, dew point 42°, current snow level is near 7500', observation time temperature 57.2°, and the barometric pressure 29.79" and rising. |
| 6/26/2012 |
5:35 AM |
T |
0.0 |
M |
0.0 |
M |
A trace had been already recorded at the observation time; since then however, it has been a light and steady rain. Storminess in the NW is the result, in part, of the jet stream riding up and over the strong ridge of high pressure at the surface (with the center in NW OK-near the KS border) and aloft over the mid section of the US. Meanwhile, today should be the coolest day of the week with temperatures hovering between the mid to upper 60's as "an area of low pressure will be migrating across the PNW today producing widespread showers along with isolated thunderstorms this afternoon and evening before exiting the region later on this evening". In addition, one model reveals that the "storm" moved North by NE from over Northeastern CA, most of OR and WA, to most of WA, the central and Northern panhandle of ID and Northwestern MT with some of the energy extending North over Southern and Southeastern BC. Although this area is currently receiving light precipitation, the bulk of the precipitation is over the Eastern third of WA, the central and Northern panhandle of ID and NW MT with numerous pockets of more intense rainfall over and surrounding the Spokane region. Current conditions for 6/26-overcast with a steady light rain, and light air movement. It is from the WNW at 1-7 mph, wind gust: out of the NW to 14 mph, humidity 79% {yesterday, the reading was 65%}, dew point 48°, current snow level is near 6000', observation time temperature 60.3°, and the barometric pressure 29.63" and falling. |
| 6/27/2012 |
6:00 AM |
0.04 |
0.0 |
M |
0.0 |
M |
Yesterday, after the trace was recorded, an additional 0.04" was recorded between the hours indicated below. The storm that brought copious amounts of precipitation to the Eastern third of WA, and only light rain in this area, has now moved East by NE over South central Saskatchewan (with its center over the same locale) and some of the energy associated to it is also moving East over SE BC, the Northern panhandle of ID and NW MT. Meanwhile, the next wave (moving East) is already spreading clouds over the NW half of Vancouver Island and approaching the coast of WA while the southern portion is moving SE toward OR and Northern CA and appears to be weakening in the process. Today finally marks the commencement of a warmer period (it should be a pleasant contrast to the last several days when cool temperatures and low freezing levels were the general rule) that is projected to last through the weekend as high pressure begins to build over the area (WA) today. During this time, the freezing level will fluctuate between 9000' to 10,000' and the temperatures will respond accordingly with highs in the upper 60's to low 70's today and the upper 70's to low 80's during the remainder of the period mentioned above. However, there are indications that "isolated thunderstorms will be possible across the Northern mountains (Northern ID) Friday afternoon then across the majority of Eastern WA and Northern ID Saturday afternoon as the next storm tracks into the region". Current conditions for 6/27-clear skies (except for a few widely scattered Cumulus to the North), light to moderate haze, no precipitation during the overnight, and very little by way of air movement. It is from the WNW at 4-7 mph, wind gust: out of the NW to 14 mph, humidity 56%, dew point 39° {yesterday, the readings were 79% and 48° respectively}, observation time temperature 52.2°, and the barometric pressure 29.86" and rising. |
| 6/28/2012 |
5:35 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although high pressure will be over the area (WA) today and tomorrow with temperatures in the upper 70's to low 80's, an upper level trough (with its Southeastern most boundary just West of the Northern CA coast) is moving North by NE and forcing the next disturbance/system East by NE over Southern SE AK, the Queen Charlottes, the central coast of BC, Vancouver Island and at the same time nearing the coast of WA and spreading clouds ahead of it over most of BC (except for the NE portion) as well as far Western WA and OR. Along with this disturbance a lengthy band of precipitation is moving North by NE over the NW tip of the Olympic Peninsula and the SE half of Vancouver Island. Looking ahead however, "there is an increasing likelihood of an active thunderstorm pattern shaping up for the weekend some of which could produce hail, brief heavy downpours and very gusty winds". Mid afternoon weather for 6/27-mostly clear (scattered Cirrus, Cirrostratus and Cumulus) on an otherwise very pleasant summer afternoon. Temperatures are in the upper 70's to low 80's {or about 15 degrees warmer than yesterday at this time}, BP 29.79"R along with light air movement from the South. Current conditions for 6/28-mostly clear (scattered Cirrus and Cirrostratus), no precipitation during the last 24, light to moderate haze, and very little by way of air movement. It is from the North at 1-4 mph, wind gust: out of the NNW to 11 mph, humidity 54%, dew point 44°, current freezing level is near 9500', observation time temperature 56.3°, and the barometric pressure 29.81" and rising. |
| 6/29/2012 |
5:31 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Drier air is currently moving East by NE over WA and the SE half of Vancouver Island while the closest active weather is moving East by NE {along the NW side of a large area of very dry air, also moving NE, over NV and most of Southern ID} over Southern to NE OR toward the central panhandle of ID and spreading clouds ahead of it over the central and Northern panhandle of ID and Northwestern MT. Although high pressure is East of the area (WA), it is still close enough to be influential; therefore, warm conditions should prevail today and tomorrow with the freezing level hovering between 10,000'-11,000' and temperatures ranging from the upper 70's to low 80's. However, a change is in the offing as low pressure will influence the weather this weekend creating the "likelihood of an active thunderstorm pattern shaping up for Saturday then will exit by early to late Sunday depending on the location". Some of these thunderstorms have the potential to "produce hail, brief heavy downpours and very gusty winds". Mid afternoon weather for 6/28-mostly sunny (scattered Cirrus, Cirrostratus, Altostratus and Cumulus), on a very pleasant summer afternoon. Temperatures are in the low to mid 80's, BP 29.68"R along with light air movement from the SE. Current conditions for 6/29-partly cloudy (scattered Altocumulus and Cumulus), no precipitation in the last 24, light to moderate haze, and very little air movement. It is from the West at 3-4 mph, wind gust: out of the WNW to 12 mph, humidity 51%, dew point 48°, current freezing level is near 10,000', observation time temperature 64°, and the barometric pressure 29.82" and rising. |
| 6/30/2012 |
5:36 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although warm conditions should prevail through the remainder of the weekend and temperatures range from the upper 70's to low 80's, ("a low pressure system will move into the PNW this weekend and with warm moist air, will create unstable conditions across the region") it appears that an even warmer period is projected for next week (Wed-Fri) with the freezing level between 11,000'-12,500' and temperatures ranging from the mid to upper 80's. Before this projected warmer period arrives however, cooler temperatures are likely early next week (mid to upper 70s) as there is the possibility of a "dry cold front passage". Current conditions for 6/30-partly cloudy (Cirrus, scattered Altocumulus and Cumulus), no precipitation in the last 24, light to moderate haze, and little to no air movement. It is from the WNW at 0-4 mph, wind gust: out of the NW to 13 mph, humidity 58%, dew point 53°, freezing level is near 10,000, observation time temperature 67.8°, and the barometric pressure 29.73" and rising. Here are some interesting EOM stats for June- 1) total rain: 0.72" {or 104% of average}, 2) number of days with no precipitation: 20, 3) high BP: 29.98" on 6/11 and 6/20, 4) low BP: 29.47" on 6/22, 5) date with low BP and no precipitation: 29.58" on 6/18, 6) date with high BP and precipitation: 29.91" on 6/16 (T), 7) average BP: 29.76", 7a) number of days where the BP was at 30.00" or above: 0, 8) average morning temperature: 58.3°, 9) high morning temperature: 68.5° on 6/22, and 10) low morning temperature: 46.6° on 6/08. |
| 7/1/2012 |
5:55 AM |
0.07 |
0.0 |
M |
0.0 |
M |
It is believed that a correction is in order regarding the precipitation total (shown above) for last month. Earlier in the day a trace was posted. However,during the late afternoon, rain, and a heavy downpour-lasted about ten minutes-and a total of 0.07" was recorded which changed both the total precipitation for the month from 0.72" to 0.79" and also the percent of average from 104% to 114%. The pleasant weather that has been enjoyed the last few days should continue through tomorrow with high temperatures ranging from the upper 70's to low 80's today, and the low to mid 80's tomorrow. This will be followed by a brief period of cooler weather for tomorrow evening and the next day with the snow level responding accordingly by plunging to near 5500' by Tuesday and temperatures reaching only the mid to upper 70's. However, warmer temperatures will gradually return from midweek through the first half of the weekend as each successive day during this period should be a few degrees warmer then the previous day. Meanwhile, the storm that brought rain to this area, has moved East and is now moving SW to NE (up the NW side of a high pressure ridge-which is also congruous to the upper level winds flow pattern-SW to NE) over the central panhandle to Eastern ID {very near the Eastern OR border}, NW MT, Southern Alberta, and central Saskatchewan. Current conditions for 7/01-partly cloudy (all Cumulus), no precipitation in the last 24, light to moderate haze, and light air movement. It is from the WNW at 3-8 mph, then from the West at 11 mph, wind gust: out of the NW to 12 mph, then out of the WNW to 15 mph, humidity 50%, dew point 49°, current snow level is near 9500', observation time temperature 66°, and the barometric pressure 29.73" and rising. |
| 7/2/2012 |
6:06 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Today should be the last of pleasant and mild temperatures with the high in the upper 70's to low 80's before the brief cooling period commences later this evening and continues through tomorrow during which time the freezing level will reach a minimum of near 5500' and high temperatures reaching only the mid to upper 70's "as a cold front will move across the mountains tonight and will be followed by an unseasonably cool upper level trough on Tuesday". However, gradually warming temperatures will return from Tuesday evening through the weekend with each successive day a few degrees warmer than the previous day. The warmest period is currently projected for the weekend as the freezing level will be be near 14,000' and high temperatures at this time should range between the mid to upper 80's and perhaps even nudge the low 90's. Though no active weather is forecast for this area, isolated thunderstorms are forecast for the Northern boundary counties and from Garfield to Spokane counties as a "trough will be moving through the region Monday evening through Tuesday". Mid afternoon weather for 7/01- mostly sunny ( scattered Cumulus, and besides a large Cumulus Congestus cloud to the NE, there were some Cirrus and Cirrostratus in the same locale). Temperatures are in the low to mid 80's, BP 29.67"F along with a nice breeze from the NW. Current conditions for 7/02-mostly sunny (scattered Cirrus, Cirrostratus, and Altocumulus), light to moderate haze, no precipitation in the past 24, and very little air movement. It is from the North at 4-6 mph, wind gust: out of the North to 17 mph, humidity 50%, dew point 42°, current freezing level is near 11,000' [yesterday, it was near 9500'], observation time temperature 60.1°, and the barometric pressure 29.73" and falling. |
| 7/3/2012 |
5:44 AM |
T |
0.0 |
M |
0.0 |
M |
With the high temperatures reaching only the low to mid 70's, today should be the coolest day of the week and is believed to be caused by several or any combination of contributing factors. One of the more obvious factors would be the low snow level which currently is near 5500' and, believe it or not, SNOW is in the forecast-this is July!-where up to 2" is expected around and above 6000' as a result of a "cold front that moved through the area last night". Another factor would be wind which is expected today with the potential of becoming gusty later this afternoon. A third factor is the upper level trough (which yesterday was said to be "unseasonably cool") that has since moved East by NE over WA with its Southernmost boundary over most of OR (except for the SE portion). Contained within this upper level trough is an upper level low centered just off the SE coast of Vancouver Island. And the last contributing factor are the upper level winds which are currently in an West by NE flow over WA and OR. However, from midweek through the weekend, gradually warming temperatures will return with each successive day a few degrees warmer than the previous day. The warmest period is still projected for the weekend when high temperatures at this time should range between the upper 80's to low 90's. Current conditions for 7/03-partly cloudy (all Cumulus), light haze, no precipitation during the overnight, and some nice wind velocities. It is from the West at 4-13 mph, wind gust: out of the WSW to 27 mph, humidity 34%, dew point 34°, current snow level is near 5500', observation time temperature 62.2°, and the barometric pressure 29.60" and rising. |
| 7/5/2012 |
5:32 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Interestingly, just 48 hours ago, the upper level trough that brought "unseasonably cool" temperatures to the area is still alive and well, has continued its East by NE track and is now over Northeastern Manitoba with its center over the same locale. The warmest period so far this month, is now projected for the weekend into early next week with temperatures during this period ranging between the low to mid 80's today (which is a few degrees warmer than yesterday) to the low to mid 90's by Saturday and possibly mid to upper 90's through early next week. Why these warm temperatures? "Because an area of high pressure across the Rockies will begin to expand North and West and arrive in the Inland NW this weekend bringing sunny skies and significantly warmer than normal temperatures for this time of year {as much as 10-15 degrees above normal}". So, with active weather over North central BC and ESE of WA, what would be a "reason" for the clear skies since currently there is no ridge of high pressure over the area (as there has been no significant rise in the barometric pressure)? It is believed that drier air moving East over WA and NW OR could be a contributing factor. Current conditions for 7/05-mostly clear (widely scattered Cumulus), light to moderate haze, no precipitation the last 24, and little by way of air movement. It is from the West at 4-8 mph, Wind gust: out of the WNW to 15 mph, humidity 55%, dew point 45°, current freezing level is near 10,500' [yesterday, it was near 9500'], observation time temperature 56.8°, and the barometric pressure 29.79" and falling |
| 7/6/2012 |
5:45 AM |
0.00 |
0.0 |
M |
M |
M |
Currently, the only states with moist air over them is WA, SW to NE OR, the central to Northern panhandle of ID and NW MT as a very large area of very dry air is moving SW to NE over CA, Southern to NE OR, Southern ID and SW to NE MT. Meanwhile, the warmest period so far this month, commences today through mid week and is reflected both in the high freezing level(12,000'- 15,000' respectively) and also the high temperatures [mid to upper 80's today with the possibility of nudging the low 90's, and the mid to upper 90's by Sunday] during this time as high pressure begins to build over the area later today and is expected to remain over the area through mid week resulting in very warm conditions (mentioned above) while at the same time "the area of high pressure across the Rockies begins to expand North and West arriving in the Inland NW this weekend bringing sunny skies and significantly warmer than normal temperatures for this time of year" (as much as 10-15 degrees above normal). Mid afternoon weather for 7/05-mostly clear [scattered Cumulus], temperatures in the mid to upper 80's (or about 7-10 degrees warmer than yesterday at this time), BP 29.71"F along with a refreshing breeze from several directions including the NE, East, and SE but mainly from the South not to mention a spectacular view of Glacier Peak. Current conditions for 7/06-mostly clear (scattered clouds in the West and South), no precipitation in the last 24, light to moderate haze/smoke, and very little air movement. It is from the WNW at 2-5 mph, wind gust: out of the NW to 15 mph, humidity 45% (yesterday, the reading was 55%), dew point 44°, current freezing level is near 12,000', [yesterday, it was near 10,500'], observation time temperature 61.5°, and the barometric pressure 29.87" and falling. Just a note: my granddaughter typed most of this report! |
| 7/7/2012 |
5:43 AM |
0.00 |
0.0 |
M |
M |
M |
As an interesting note, the only states with moist air over them is most of MT, SW to NE WA and Southeastern ID [near the WY border] as a very large area of dry air is moving North by NE over CA, NV, OR and most of AZ, UT, and ID. Meanwhile, the warmest period so far this month is in full swing as high temperatures today reach the low to mid 90's and the upper 90's to low 100's for both Sunday and Monday along with a slight chance of thunderstorms both days. This will be followed by slightly cooler temperatures from Tuesday through the end of the work week with highs in the low to mid 90's and upper 80's to low 90's respectively; however, these temperatures are still well above the maximum average for July which is 87.8°. The "culprits" responsible for these warm temperatures appear to be the combination of a high pressure ridge over the area (WA) which has strengthened considerably since yesterday, and the arrival of a high pressure ridge "that expanded North and West from across the Rockies bringing sunny skies and significantly warmer than normal temperatures to the Inland NW for this time of year (as much as 10-15 degrees)". Current conditions for 7/06-mostly clear {widely scattered Altocumulus and Cumulus}, no precipitation in the last 24, the haze now consists of smoke (from the Navarre-Coulee area) which is moderate, and very little by way of air movement. It is from the North at 2-4 mph, wind gust: out of the NNW to 15 mph, humidity 39%, dew point 48°, current freezing level is near 13,000' (yesterday, it was near 12,000'), observation time temperature 67.3°, and the barometric pressure 29.90" and rising. |
| 7/8/2012 |
6:24 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The warmest period so far this month should culminate today and tomorrow as "temperatures will approach or even exceed record highs "with maximum temperatures reaching 101° and 99° respectively as strong high pressure (both at the surface-with its center on the NV/UT border-and aloft) is firmly in place over the PNW and should remain over the area [mentioned above] through midweek. Meanwhile, what appears to be a weak disturbance (from SE to NW OR) is moving SW to NE {this is congruous to the upper level wind pattern-SW to NE} toward WA. This weak disturbance combined with a "very unstable air mass will cause thunder storms to develop over SE WA, and NE OR between Sunday afternoon and Monday night". Mid afternoon weather for 7/07-mostly clear (widely scattered Cumulus) on an otherwise very warm summer afternoon. Temperatures are in the upper 90's to low 100's, BP 29.97"R along with very light air movement from the NW. Current conditions for 7/08-mostly clear (widely scattered Cumulus), no precipitation in the last 24, the smoke/haze is moderate to bad, and very little air movement. It is from the North at 5-7 mph, wind gust: out of the NNW to 17 mph, humidity 42%, dew point 50°, current freezing level is near 13,000', observation time temperature 70.9°, and the barometric pressure 29.86" and falling. |
| 7/9/2012 |
6:05 AM |
0.04 |
0.0 |
M |
0.0 |
M |
WOW! what a spectacular meteorological display late last evening with frequent lightening, "rolling" thunder, brief periods of gusty wind, and rain. Although strong high pressure is still firmly in place over the PNW both at the surface (with the center in Eastern NV-near Ely) and aloft, it should remain over the area through mid week with high temperatures today reaching the upper 90's to low 100's. Meanwhile, "a very hot and unstable air mass combined with passing upper level disturbances will trigger thunder storms over much of the Inland NW today and tonight a few of which may be strong with hail, strong winds and frequent lightening". The upper level low currently over the Gulf region, will begin to move NE and by mid week will have moved NE over the NW portion of the NW Territories effectively pushing the ridge of high pressure ahead of it over Manitoba. What appears to be a disturbance is moving SW to NE {which is congruous to the upper level wind flow pattern-SW to NE}, over central to NE OR and the Southeastern quadrant of WA where one model shows precipitation moving North by NE over Northeastern OR and Southern WA from Kennewick to Walla Walla. Current conditions for 7/09-mostly clear (Cirrostratus to the East, along with scattered Cirrus and Cumulus), the haze is moderate to bad, and very little by way of air movement. It is from the West at 2-8 mph, wind gust: out of the West at 23 mph, humidity 50%, dew point 55°, current freezing level is near 13,000', observation time temperature 75°, and the barometric pressure 29.79" and rising. |
| 7/10/2012 |
5:49 AM |
0.04 |
0.0 |
M |
0.0 |
M |
The amount of recorded precipitation shown above occurred sometime during the overnight as the "duration information" was now known. Although high pressure is still at the surface (with the center now in Southwestern UT) and aloft, it is beginning to show signs of weakening as the upper level low that yesterday was over the Gulf, has begun to move NE (with its center now over the Southeastern section of the Yukon) and is projected to be over the NW section of the NW Territories by midweek at which time, the ridge of high pressure, currently over the PNW, will have been pushed NE to reside over Manitoba. Meanwhile, today through Thursday, the freezing level will hover between 14,000-15,000' {during which time, the temperatures should be in the mid to upper 90's with the likelihood of pushing the low 100's} before lowering slightly Thursday night through the weekend at which time the freezing level will still be high though now hovering between 13,000'-14,500'. In addition, one model shows low pressure over SE WA where "isolated to scattered thunderstorms are expected. These storms will be capable of producing gusty winds, hail, and brief heavy rain". Mid afternoon weather for 7/09-mostly clear (scattered Cirrus, Altocumulus, and a small area of Cirrostratus to the East) and HOT! Temperatures are in the low to mid 100's, BP 29.70"R along with light air movement from the East. Current conditions for 7/10-clear skies, the smoke/haze is bad, along with light air movement. It is from the West at 3-6 mph, wind gust: out of the WNW to 17 mph, humidity 40% (yesterday, the reading was 50%), dew point 50°, current freezing level is near 14,000' [yesterday, it was near 13,000'], observation time temperature 75.4°, and the barometric pressure 29.83" and rising. |
| 7/11/2012 |
6:06 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Very warm days will be the norm for today,tomorrow and the near future as "above normal temperatures will continue at least another week for Eastern WA" with the freezing level hovering between 14,000'-15,000' and high temperatures in the mid to upper 90's both days with the likelihood of pushing the low 100's. By way of contrast and as an interesting sidelight, high temperatures for Death Valley for today and tomorrow will be 122° and 118° respectively! However, "a chance of showers and thunderstorms will arrive Friday and last through the weekend" as an upper level trough (currently West of the OR coast) will move East by NE to arrive over WA by sometime Friday and remain through the weekend. Looking ahead to early next week, "some slight relief is in sight with temperatures approaching normal" with highs projected to be in the low to mid 90's on Monday, and the upper 80's to low 90's on Tuesday as yet another upper level low drops South from BC over
WA early next week. Mid afternoon weather for 7/10-clear skies and HOT! Temperatures are in the upper 90's to low 100's, BP 29.71"R along with very light air movement from the East. Current conditions for 7/11-clear skies, the air quality is bad, no precipitation in the last 24, and very little air movement. It is from the WNW at 1-10 mph, wind gust: out of the NW to 17 mph, humidity 37%, dew point 46°, current freezing level is 14,500', observation time temperature 70.6°, and the barometric pressure 29.80" and rising. |
| 7/12/2012 |
5:55 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The freezing level will be near 14,500' today with high temperatures, once again, in the mid to upper 90's and the likelihood of pushing the low 100's, after which a gradual decline will commence from 13,500' tonight to a minimum level of near 12,000' through the first half of the weekend. This should result in slightly cooler temperatures tomorrow and Saturday with highs in the low to mid 90's and in the upper 80's to low 90's respectively. Meanwhile, the threat for thunderstorms will increase Friday into Saturday as the upper level trough that yesterday was West of the OR coast has indeed moved East by NE with the upper level low center now nudging the West coast of WA and should "move onshore bringing with it a good chance for showers and thunderstorms (isolated in this area) on Saturday some of which may be capable of producing locally heavy rain over the Northern Cascades, Eastern WA, and Northern ID". Mid afternoon weather for 7/11-clear skies and HOT! Temperatures are, once again, in the upper 90's to low 100's, BP 29.66"R along with slight air movement from the SW. Current conditions for 7/12-mostly clear (scattered Cirrus, and a "deck" of Cirrostratus from the SW to the SE), the air quality remains bad, no precipitation in the last 24, and very little air movement. It is from the North at 5-9 mph, wind gust: out of the NNW to 15 mph, humidity 46%, dew point 52° {yesterday, the readings were 37% and 46° respectively}, current freezing level is near 14,500', observation time temperature 71.2°, and the barometric pressure 29.71" and falling. |
| 7/13/2012 |
5:30 AM |
0.00 |
0.0 |
M |
0.0 |
M |
There is a threat for severe thunderstorms late this afternoon and tonight where the slight risk area exists over the Northern boundary counties (Okanogan-Pend Oreille), Northern ID, NW MT (including Glacier Nat'l Park) and from Spokane East over the central panhandle of ID, and North to the border. As mentioned yesterday, "the threat for thunderstorms will increase into the weekend where some of the thunderstorms on Saturday may be capable of producing locally heavy rain over the Northern Cascades, Eastern WA, and Northern ID". High temperatures today should be in the low to mid 90's and the upper 80's to low 90's tomorrow along with a lower freezing level {12'000'-13,000} today through the weekend. The agent responsible for the active weather is a "low pressure system moving through the PNW (an upper level low currently over Western WA-South Puget Sound area) which will bring isolated thunderstorms to the area over the next several days". Mid afternoon weather for 7/12-mostly overcast (with what appears to be scattered Cirrus and Cirrostratus above a medium sized Altostratus cloud deck that gives a semi-transparent appearance) and very warm. Temperatures are in the mid to upper 90's, BP 29.60"F along with very light air movement from the SE. Current conditions for 7/13-partly cloudy (mostly Cumulus), no precipitation in the last 24, the air quality remains bad, and very little air movement. It is from the WNW at 5-ll mph, wind gust: out of the NW to 19 mph, humidity 48%, dew point 54°, current freezing level is near 12,000', observation time temperature 77°, and the barometric pressure 29.70" and falling. |
| 7/14/2012 |
6:10 AM |
0.00 |
0.0 |
M |
0.0 |
M |
An upper level low (with its center over SE AK-just South of the Yukon's SW border) moving East over SE AK, the Northern half of the Queen Charlottes and NW BC, a lengthy band of clouds and energy/disturbances are streaming North from AZ to Southern Alberta and Southwestern Saskatchewan while to the West "a low pressure system (centered over Western OR-the Portland/Vancouver area-where one model shows scattered showers over WA; however, there are several areas of more intense precipitation one of which extends SW from near Marysville to the Olympic Peninsula, another is moving North by NE over NE OR {with the more intense area of precipitation South of La Grande} while still a third is moving NE over the Clarkston/Pullman region) will continue to draw moist unstable air into the Inland NW region today and tonight "with the highest potential for thunderstorms in NE WA {Eastern Okanogan to Pend Oreille counties)". Meanwhile, temperatures will be in the upper 80's to low 90's today and the low to mid 80's tomorrow before a brief warming period occurs early to mid week when temperatures will be in the mid to upper 80's and the upper 80's to low 90's respectively. Mid afternoon weather for 7/13-mostly cloudy (a large Cirrostratus cloud deck from the South to the SE, a moderate sized Altostratus cloud deck to the NW and scattered Cumulus-dominant cloud type) and warm. Temperatures are in the mid to upper 90's, BP 29.64"F along with light air movement from the East. Current conditions for 7/14-mostly cloudy
(Cirrostratus, scattered Altocumulus and Cumulus), the air quality remains bad, no precipitation in the last 24, and very little by way of air movement. It is from the North at 1-5 mph, wind gust: out of the North to 16 mph, humidity 54%, dew point 58°, current freezing level is near 11,500', observation time temperature 72.5°, and the barometric pressure is 29.72" and falling. |
| 7/15/2012 |
7:00 AM |
0.00 |
0.0 |
M |
M |
M |
|
| 7/16/2012 |
5:40 AM |
T |
0.0 |
M |
0.0 |
M |
The upper level low that yesterday was centered over Western WA (South Puget Sound region) has since moved SW with its center now near the Portland area. it has the appearance of being a relatively strong upper level low with clouds and energy over Southern ID
moving SE to NW as they appear to be conforming to the counterclockwise rotation. This SE to NW direction is also congruous to the upper level wind flow pattern-SE to NW. As for thunderstorms, "they will be possible through the remainder of the work week although the threat will increase this evening into the overnight hours". Mid afternoon weather for 7/15-North of an imaginary East/West line, the sky is mostly clear except for some very impressive Cumulus Congestus build ups to the North and NE, while South of the "line" is mostly cloudy {Cirrostratus, scattered Altocumulus and Cumulus}. Temperatures are in the low to mid 90's, BP 29.43"F along with light air movement from the North. Current conditions for 7/16- partly cloudy (scattered Altocumulus and Cumulus), the air quality is moderate to bad, no precipitation during the overnight, and very little air movement. It is from the North at 2-5 mph, wind gust: out of the NNW to 19 mph, humidity 61% (yesterday, the reading was 48%), dew point 52°, current snow level is near 10,000' [yesterday, it was near 11,000'], observation time temperature 66.6°, and the barometric pressure 29.71" and rising. |
| 7/17/2012 |
5:48 AM |
0.04 |
0.0 |
M |
0.0 |
M |
The upper level low that was over NW OR with its center near the Portland area continued to track slightly SW and is now centered over NW CA very near the OR border. "This is an unusually strong and moist upper level low, and will continue to dominate our weather through mid week". As an example of its "strength", it is not only exerting great influence (by its counterclockwise rotation) with the energy and clouds over OR, but from as far away as the Northern panhandle of ID where these clouds and energy are streaming from East to West over WA before turning SW over NW OR. One model shows a large band of precipitation extending SE to NW over Wellpinit {NW of Spokane} to the Winthrop area with the more intense precipitation over the Omak/Okanogan region. Mid afternoon weather for 7/16-partly cloudy (scattered Cirrus, Cumulus and a small area of Cirrostratus to the SE) and warm. Temperatures are in the upper 80's to low 90's-though it varied between the low to mid 90's and the mid to upper 90's for much of last week-BP 29.53"R along with light air movement from the SW. Current conditions for 7/17-mostly cloudy (Cirrus, Cirrostratus, Altocumulus and Altostratus) except for some partial clearing from the South to the SE, the air quality is moderate to bad, and very little by way of air movement. It is from the East at 2-4 mph, wind gust: out of the ESE to 35 mph, humidity 70%, dew point 61°, {yesterday, the readings were 61% and 52° respectively}, current freezing level is near 11,500' [yesterday, it was near 10,000'], observation time temperature 72°, and the barometric pressure 29.63" and rising. |
| 7/18/2012 |
5:38 AM |
0.00 |
0.0 |
M |
0.0 |
M |
With the NPJ North of the area (WA) and in a NW flow over SE AK, the Queen Charlottes, central and Southern BC, the nearest weather to WA is the upper level low still centered over NW CA which suggests the probability of "stalling" since it looks to be over the same locale tomorrow. The main effect will be "a threat for thunderstorms across Southeastern WA and lower panhandle of ID today and tomorrow with drier conditions elsewhere". In addition, the freezing level is projected to range between 10,500' (Friday)-13,500' (Sunday evening) with high temperatures in the upper 80's to low 90's today and tomorrow and the upper 70's to low 80's on Friday. However, there are indications that by sometime tomorrow, it will have moved North off the Southern OR coast before turning NE (and appearing to weaken in the process) over SW WA, and NW OR. Meanwhile, another upper level low {South of Kodiak Island} is beginning to move SE over the Southern perimeter of the Gulf and is projected to be West of the Queen Charlottes by sometime tomorrow at which time it will continue to "slide" SE and should be directly over WA by sometime early next week. Mid afternoon weather for 7/17-mostly cloudy (scattered Cirrus, Cirrostratus and Cumulus) and warm. Temperatures are in the mid to upper 80's, BP 29.60"R along with light air movement from the NE. Current conditions for 7/18-mostly clear (widely scattered Cirrus and Cumulus), no precipitation in the last 24, the air quality is moderate, though there is light air movement. It is from the North at 4-10 mph, then from the WNW at 4-6 mph, wind gust: out of the NNW to 12 mph, then from the NW to 13 mph, humidity 53%, dew point 56°, {yesterday, the readings were 70%, and 61° respectively}, current snow level is near 11,500', observation time temperature 72.7°, and the barometric pressure 29.69" and rising.
|
| 7/20/2012 |
5:44 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The upper level low which yesterday was off the coast of NW CA, has indeed moved NE over NW OR and SW WA and looks to pass directly over WA sometime today before moving over SE BC sometime tomorrow. The upper level low that was South of Kodiak Island and beginning to move SE over the Southern perimeter of the Gulf is now centered SW of the Queen Charlottes and is still projected to be over the area (WA) by early next week. And what will be the result? "As this low pressure continues to move SE toward the region (WA), remnants of former hurricane Fabio will continue to enhance unstable weather over the Inland NW". In addition, "from early afternoon to evening, some storms will be strong to severe capable of damaging wind gusts, large hail, frequent lightening, and very heavy rainfall". Meanwhile, today and tomorrow appear to be the warmest with highs both days in the upper 70's to low 80's and the low to mid 80's respectively. However looking ahead to Sunday and Monday, there is the possibility of a cold front passing over the area (WA) which would significantly lower the freezing level from 12,000' Saturday to 8000' the following day and with the temperatures ranging between the mid to upper 70's during this time. Current conditions for 7/20-partly cloudy (Cumulus), no precipitation in the last 24, the air quality is moderate, and some nice air movement. It is from the West at 3-10 mph, wind gust: out of the WNW to 13 mph, humidity 48%, dew point 56°, current snow level 10,000' [yesterday, it was 13,000'], observation time temperature 74.3°, and the barometric pressure 29.70" and falling.
|
| 7/21/2012 |
5:48 AM |
0.03 |
0.0 |
M |
0.0 |
M |
Even though strong high pressure has not been firmly established over the PNW since 7/11/12, there is high pressure both at the surface (with the center in Northern KS- NE of the Smith Center region-near the NE border) and aloft over MT, WY, the Dakotas as well as Southern Saskatchewan and Manitoba. By way of interest, the upper level low that yesterday was over NW OR and SW WA (which, by the way, moved directly over WA during the early afternoon and evening hours) has since moved East by NE over Southern Alberta near the Saskatchewan border. Meanwhile, a narrow and lengthy "river" of very dry air is streaming across NW OR though moving West to East over SW to NE WA and SE BC as the leading edge of moist air {associated with a large upper level low-which continues to move SE toward WA-circulating counterclockwise South of the Queen Charlottes} is being "pumped" over SW to Northern WA (Oroville area) and NW OR. As an indication of its tremendous influence, not only are the "clouds" over Northern BC conforming to the counterclockwise rotation-East to West-but also "clouds" are quite literally being "pulled" away from the upper level low over Southern Alberta (mentioned above)! Mid afternoon weather for 7/20-very overcast on a rather dark afternoon and frequent lightening, thunder and sporadic precipitation thus far. Temperatures are in the upper 70's to low 80's, BP 29.80"R along with light air movement from the West. Current conditions for 7/20-partly cloudy (scattered Cumulus) on an otherwise very pleasant summer afternoon, no precipitation during the overnight, the haze is light, and very little by way of air movement. It is from the WNW at 1-4 mph, wind puff: out of the NW to 8 mph, humidity 47%, dew point 50°, current snow level is 12,000' [yesterday, it was 10,000'], observation time temperature 62.8°, and the barometric pressure 29.97" and rising.
|
| 7/22/2012 |
5:49 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Clouds and energy continue moving East to West over Northern Alberta and BC in an attempt to conform to the counterclockwise rotation of the upper level low now centered off the NW half of Vancouver Island. From this point, it is projected to continue its SE movement toward NW WA, then move East across the state tomorrow. As it does, it is believed that its passage will be responsible for cooler conditions today and especially tomorrow. In response the freezing level will drop from its current level of 11,000' to 9000' later on today, and by tomorrow it will bottom out at 8000'. High temperatures during this period will be in the low to mid 80's today, and only the low to mid 70's tomorrow. WOW! Meanwhile, as far as the rest of today is concerned, "an upper level disturbance will bring strong gusty winds to the Cascade lee side valleys and across the Columbia Basin late this afternoon and overnight. Expect wind gusts of 30-40 mph with local blowing dust". Current conditions for 7/22-partly cloudy (scattered Altocumulus), no precipitation in the last 24, the haze is light to moderate, along with minimal air movement. It is from the West at 0-4 mph, wind gust: out of the WNW to 14 mph, humidity 62%, {yesterday, the reading was 47%}, dew point 52°, current snow level is 11,000' lowering to 9000' later on today, observation time temperature 64.2°, and the barometric pressure 29.80" and falling. |
| 7/23/2012 |
5:55 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The upper level low (with its center now over the WA/BC border) should continue to move East across WA today and by sometime tomorrow will be over SW Alberta. Meanwhile, today and tonight should be the coolest day of the week as high temperatures will only reach the mid to upper 70's; however, from tomorrow through the week end the freezing level is projected to range between 12,000'-13,000' thereby suggesting a warming trend and "plenty of sunshine for the work week" as high pressure begins to build over the region (WA) and remain through the weekend which will result in dry conditions and warmer temperatures. Consequently, temperatures will respond nicely with highs projected to be in the low to mid 80's tomorrow, the mid to upper 80's by mid week and the upper 80's to low 90's from Thursday through the weekend! Mid afternoon weather for 7/22-partly cloudy (scattered Cumulus), temperatures are in the mid to upper 80's, BP 29.63"F along with some air movement that quickly changed from the NW to the SW. Current conditions for 7/23-mostly clear (scattered Altostratus and Cumulus from the North to the NE), no precipitation in the last 24, the haze is light to moderate along with some nice air movement. It is from the West at 6-12 mph, wind gust: out of the West to 21 mph, humidity 43%, dew point 38° (yesterday, the reading was 52°), current snow level is 6500' rising to 8000' later this afternoon, observation time temperature 61.2°, and the barometric pressure 29.91" and rising. |
| 7/24/2012 |
5:44 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although very dry air is currently over CA, NV, most of OR and WA, the central panhandle of ID and NW MT, the upper level low that yesterday was centered over the WA/BC border, has indeed moved East by NE over SW Alberta. So, with clear skies and warmer temperatures forecast for today, is WA therefore free from the influence of this upper level low? Well, not exactly. Moisture-associated to the upper level low-is moving West to East over the Northern boundary counties of WA (Okanogan to Pend Oreille-where it is partly cloudy), Northern panhandle of ID, and NW MT. In the meantime, the freezing level should remain between 12,000'-13,000' for the remainder of the week and temperatures will respond accordingly with highs in the low to mid 80's today, mid to upper 80's tomorrow and is projected to be in the upper 80's to low 90's through the rest of the week. However, looking ahead to the end of the work week, one model shows a cold front moving East by SE over Western BC, Vancouver Island, and is approaching the NW coast of WA with a possibility of moving over the area (WA) by somtime during the first part of the weekend. Mid afternoon weather for 7/23-mostly clear (scattered Cirrus, Cirrostratus, and Cumulus), on a very pleasant summer afternoon. Temperatures are in the upper 70's to low 80's, BP 29.90" and rising along with air movement from the NW. Current conditions for 7/24-clear skies, no precipitation in the last 24, light to moderate haze, and light air movement. It is from the West at 4-5 mph, wind gust: out of the WSW to 16 mph, humidity 53%, dew point 45° {yesterday, the readings were 43% and 38° respectively}, current freezing level is near 13,000' [yesterday, it was 8000'], observation time temperature 59.7°, and the barometric pressure 29.83" and rising. |
| 7/27/2012 |
5:48 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although high pressure appears to be at the surface (centered over Southern CO) and aloft over OR, ID, MT, WY, most of WA with its apex over Southern Alberta and Saskatchewan, an upper level trough has begun to move inland over the Southern coast of WA and NW OR and appears to be forcing everything ahead of it in an Easterly direction including moister air over Western WA, Southwestern to Northern OR (The Dalles area), a narrow band of very dry air over SW to Northern OR {East of The Dalles}, then additional moisture over most of Eastern OR and Southern to Northeastern WA within which "energy" is moving East by NE over far Eastern and Northeastern OR where "an upper level disturbance is moving NE from CA and will combine with day time heating to produce isolated to scattered thunderstorms mainly over the mountains this afternoon and evening" (South central and SE WA). However, there are indications that as it-the upper level trough-moves NE over WA sometime tomorrow, it should weaken considerably in the process when it arrives over SW BC sometime tomorrow evening at which time the ridge of high pressure should rebuild to some extent by the latter half of the weekend. Mid afternoon weather for 7/26-partly cloudy from the East to the South whereas from the West to the NE {where a Cumulus Congestus is building}, a large cloud deck is moderately ominous in appearance. Temperatures are in the mid to upper 90's, BP 29.58"F along with a refreshing breeze from several directions including the East, SE, and South. Current conditions for 7/27-clear skies, moderate haze, no precipitation in the last 24, and some nice air movement. It is from the WNW at 3-7 mph, wind gust: out of the NW to 16 mph, humidity 53%, dew point 54°, current freezing level is near 12,000', observation time temperature 69.1°, and the barometric pressure 29.69" and falling.
|
| 7/30/2012 |
5:48 AM |
0.00 |
0.0 |
M |
0.0 |
M |
High pressure (along with light winds from the SW to the NE over WA, OR, ID and Northern CA-this upper level wind flow pattern is congruous to both the GFS and NAM models (SW to NE) should remain over the area one more day before breaking down sometime tomorrow as there are indications that an upper level trough-currently extending SE over the Kenai Peninsula and Kodiak Island-will move East over the Gulf region before turning SE off the coast of Southern SE AK, continue its SE movement over the Queen Charlottes, the central coast of BC to finally reside over SE and SW BC and Alberta respectively at which time, the upper level trough is projected to extend SW over WA and NE OR by the end of the work week. Mid afternoon weather for 7/29-mostly clear (scattered Cirrus and Cirrostratus). Temperatures are in the low to mid 90's, BP 29.77"F along with light air movement from the East. Current conditions for 7/30-mostly clear (widely scattered Cumulus-mainly to the West and SW), the haze is light to moderate, no precipitation in the last 24, along with light air movement. It is from the West at 6-12 mph, wind gust: out of the WNW to 20 mph, humidity 37%, dew point 47°, current snow level is near 12,000', observation time temperature 71.6°, and the barometric pressure 29.80" and rising. |
| 8/1/2012 |
5:51 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The upper level low that yesterday was over the Gulf region has since moved East over SE AK and Northern BC as high pressure that yesterday was over the middle Aleutians moved East over the Gulf and strengthened in the process. As the upper level low continues its Eastward movement over BC (and weakens in the process), the upper level trough associated with it will continue to move SE, and begin to arrive over WA sometime tomorrow and remain over the area through early Friday when at this time, high pressure will begin to build over the area (WA) and remain through the weekend resulting in continued dry conditions and warmer temperatures. Current conditions for 8/01-clear skies, no precipitation in the last 24, the haze is light to moderate, and very little by way of air movement. It is from the West at 4-7 mph, wind gust: out of the West to 18 mph, humidity 42%, dew point 44°, current freezing level is near 12,500', [yesterday, it was near 11,500'], observation time temperature 65.3°, and the barometric pressure 29.89" and rising. Here are some interesting stats for JULY-1) total rainfall: 0.15" (which is 50% of average), 2) number of days with no precipitation: 27, 3) high BP: 29.97" on 7/21, 4) low BP: 29.60" on 7/03, 5) date with low BP and no precipitation: 29.63" on 7/15, 6) date with high BP and precipitation: 29.86" on 7/08 (0.04"), 7) average BP: 29.78", 8) average morning temperature: 67.6° {or about 6.8° below the mean average for July}, 9) high morning temperature: 77° on 7/13, and 10) low morning temperature: 54° on 7/04. |
| 8/2/2012 |
5:46 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Today should be the last "cool" day of the week before significant warming commences tomorrow evening and remains through the first half of the weekend as the freezing level will range between 14,500'-16,000' and the warmest temperatures so far this summer should be experienced during this period. High temperatures tomorrow should be in the low to mid 90's, then warming to the mid and upper 90's on Saturday with the probability of reaching the low 100's. The high freezing level and very warm temperatures (mentioned above) is a result of a high pressure ridge that will begin building over the area sometime tomorrow and becoming even stronger by the first half of the weekend. Meanwhile, the upper level low that yesterday was over NW BC, continued its SE movement and now is centered over Northern Southwestern Alberta with the upper level trough extending SW over WA which should be out of the area (WA) sometime today. Energy and clouds associated to this upper level low are currently moving East by SE over NW to SE WA, the Northern panhandle of ID, and NW MT. Mid afternoon weather for 8/01-mostly clear (widely scattered Cirrus-dominant cloud type-and Cumulus) and warm as mid summer is fast approaching. Temperatures are in the low to mid 90's, BP 29.79"R along with very light air movement mainly from the South. Current conditions for 8/02-mostly overcast (Altocumulus), light to moderate haze, no precipitation in the last 24, and very little air movement. It is from the West at 4-9 mph, wind gust: out of the WNW to 21 mph, humidity 40%, dew point 44°, current snow level is near 12,500', observation time temperature 72.1°, and the barometric pressure 29.83" and rising. |
| 8/3/2012 |
5:47 AM |
0.00 |
0.0 |
M |
0.0 |
M |
With the upper level low now centered over SW Saskatchewan, and the NPJ well to the North of WA, clouds and energy are moving NE over the Southern and Southeastern portion of the Yukon, Western and Southwestern part of the NW Territories, SE AK, Northern BC, and the Western half of Northern Alberta. Meanwhile, the warmest temperatures so far this summer will begin today and last through the weekend. This will be reflected by the high freezing level which will be near 14,500' today and between 15,500'-16,000' this evening through the weekend. High temperatures during this period will reach the low to mid 90's today and the mid to upper 90's tomorrow and Sunday with the probability of reaching the low 100's. The high freezing level and very warm conditions are-as mentioned yesterday-the result of high pressure building over the area today, and then strengthening even more over the weekend. However, looking ahead, it appears that a slight cooling trend is in the offing from Sunday evening through mid week. Mid afternoon weather for 8/02-from mostly cloudy (Altocumulus) earlier in the day to partly cloudy (all Cumulus). Temperatures are in the upper 80's to low 90's, BP 29.77"R along with light air movement from the West. Current conditions for 8/03-clear skies, no precipitation in the past 24, moderate haze, and very little air movement. It is from the North at 0-7 mph, wind gust: out of the North to 14 mph, humidity 45%, dew point 48°, current freezing level is near 14,500' [yesterday, it was near 12,500'], observation time temperature 64°, and the barometric pressure 29.91" and rising. |
| 8/4/2012 |
5:45 AM |
0.00 |
0.0 |
M |
0.0 |
M |
A high freezing level (15,500') and warm temperatures (mid to upper 90's today, and the upper 90's to low 100's tomorrow) will be the norm for the rest of the weekend as high pressure over the area is in control and looks to become even stronger by tomorrow before a slight cooling trend ensues by tomorrow evening through early next week when "passing disturbances will trigger dry thunderstorms and abundant lightening mainly Monday". Mid afternoon weather for 8/03-clear skies, temperatures are in the upper 80's to low 90's, BP 29.87"R along with very light air movement from the SW. Current conditions for 8/04-clear skies, no precipitation in the last 24, light to moderate haze, and very little air movement. It is from the West at 0-5 mph, wind gust: is out of the WNW to 11 mph, humidity 19% (yesterday, the reading was 45%), dew point 44°, current freezing level is 15,500' [yesterday, it was near 14,500'], observation time temperature 60°, and the barometric pressure 29.86" and falling. |
| 8/5/2012 |
6:03 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although there are no major changes in the weather for this area, today should be the warmest day of the weekend with temperatures expected to reach the upper 90's to low 100's as high pressure over the area (WA) is in control for the time being. However, a slight cooling trend will ensue from tonight through early this week when "passing disturbances will trigger thunderstorms and abundant lightening mainly Monday". It is believed that the "disturbances" that will eventually affect this area, are currently moving North by NW over far Northern CA, SW OR, the ocean and at some time, are projected to turn NE by East over this area which would be congruous to the upper level wind pattern of both the GFS and NAM models. Following these "disturbances", there are indications that high pressure will redevelop and remain over the area from early in the week through most of the weekend resulting in another round of dry conditions and warm temperatures. Mid afternoon weather for 8/04-clear skies, temperatures are in the mid to upper 90's, BP 29.77"F along with light air movement from several directions including the East, SE, South, and occasionally the SW in addition to another spectacular view of Glacier Peak! Current conditions for 8/05-scattered Cirrus from the NW to the SE, no precipitation in the last 24, moderate haze, and very little air movement. It is from the West at 5 mph, wind gust: out of the WNW to 11 mph, humidity 48%, dew point 50° {yesterday, the readings were 19% and 44° respectively}, current freezing level is near 15,500', observation time temperature 62°, and the barometric pressure 29.79" and falling. |
| 8/6/2012 |
5:40 AM |
0.00 |
0.0 |
M |
0.0 |
M |
It appears that this area will get a brief break from the heat today with high temperatures reaching the upper 80's to low 90's. Meanwhile an upper level low will continue to "spin" over the Gulf for the next few days as high pressure (currently over BC, Alberta, WA, ID, MT and most of OR) is strong enough, for the time being, to keep the upper level low from moving inland over SE AK until near the end of the work week. Even though high pressure is over the area (WA), a very wide span of very dry air is moving North by NE over most of CA, NV, NW UT, Southern ID OR, and Southern WA and forcing clouds and energy ahead of it North by NW over Vancouver Island, WA, the central panhandle of ID and SW MT where "a weather disturbance will pass dry thunderstorms and abundant lightening over Eastern WA and Northern ID today". Following the "disturbance", there are indications that high pressure will redevelop and remain over the area from early in the week {tomorrow more than likely} through most of the weekend resulting in another round of dry conditions and warm temperatures. Mid afternoon weather for 8/05-mostly clear (scattered Cirrus), temperatures are in the upper 90's to low 100's, BP 29.69"F along with very light air movement from several directions including the SE, South and SW. Current conditions for 8/06-mostly cloudy (Cirrus, Cirrostratus and Altocumulus) although only partly cloudy from the SW to the SE. The haze is moderate to bad, no precipitation in the past 24, and very little air movement. It is from the North at 2-7 mph, wind gust: out of the North to 13 mph, humidity 44%, dew point 54°, current freezing level is near 12,500' [yesterday, it was near 15,500'], observation time temperature 73°, and the barometric pressure 29.77" and falling.
|
| 8/7/2012 |
5:49 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Yesterday, the forecast that called for "a weather disturbance that will pass dry thunderstorms and abundant lightening in Eastern WA (including the Wenatchee Valley) and Northern ID" obviously did not happen here although it may have brushed the area. Meanwhile, the upper level low continues to spin near the Gulf region as strong high pressure both at the surface (centered in West central NM) and aloft (over the Yukon, the Western NW Territories, BC, Alberta, WA, OR, ID, MT, and most of Saskatchewan) will prevent the upper level low from moving inland over SE AK for the time being. With this strong high pressure firmly in place, high temperatures should reach the mid to upper 90's today, cooling slightly to the upper 80's to low 90's tomorrow. The clouds and energy that yesterday had moved North over Vancouver Island, WA, the central panhandle of ID, and SW MT, is now over South central BC, Southwestern Alberta, Northeastern MT, Southwestern ND, most of SD, central NE, and most of KS. Current conditions for 8/06-partly cloudy (scattered Cirrus and Cirrostratus), no precipitation in the last 24, moderate haze, and very little air movement. It is from the South at 1 mph, wind gust: out of the SSW to 13 mph, humidity 91%, dew point 59° {yesterday, the readings were 44% and 54° respectively}, current freezing level is near 13,500' [yesterday, it was near 12,500'], observation time temperature 64°, and the barometric pressure 29.87" and rising. |
| 8/8/2012 |
5:43 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although high pressure is both at the surface (now centered in SW CO) and aloft (over MT, ID, WY, Alberta, and most of WA, OR, BC, and Saskatchewan), the upper level low that has been spinning over the Gulf region for the last few days, has finally begun to show signs of moving inland over SE AK. With high pressure over the area (WA), why is it windy? It is believed one possibility could be that both the GFS and NAM models show the upper level winds flowing SW to NE over Northern CA, OR, WA, and SE BC, or a second possibility could be a combination of the reason just given with a surface low just to the NE of this area which covers most of Eastern WA. In the meantime, the freezing level will hover between 12,500'-13,500' from today through the end of the workweek during which time temperatures should be slightly cooler than was experienced the last few days with the highs reaching the upper 80's to low 90's. However, looking ahead, it appears that a cold front moving East by SE over Western Alberta, SE BC and NE to SW WA could affect the area (Eastern WA) by sometime tomorrow and Friday. Meanwhile, very dry air moving East by NE over NW CA, Western OR and WA, is forcing a narrow band of clouds ahead of it in an Easterly direction over far Northern CA, SW to NE OR, the Eastern third of WA and SE BC. Within this narrow band, a relatively small band of lighter precipitation is moving North by NE NW of the Banff region while pockets of more intense rain are occurring between Nelson and Vernon BC. Current conditions for 8/08-clear skies, no precipitation in the last 24, light to moderate haze, along with some nice air movement. It is from the NW at 12 mph, wind gust: out of the WSW to 13 mph, humidity 37%, dew point 54° {yesterday, the readings were 91% and 59° respectively}, current freezing level is near 12,500' [yesterday, it was near 13,500'], observation time temperature 73°, and the barometric pressure 29.72" and falling. |
| 8/9/2012 |
5:31 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Yesterday's strong high pressure both at the surface and aloft (over MT, ID, WY, Alberta, and most of WA, OR, BC, and Saskatchewan) has weakened to some extent and moved East over Manitoba thereby allowing the upper level low-that had been spinning over the Gulf region for the past several days-to move inland over NW BC with the center now over the Yukon/BC border. Even though high pressure is at the surface across the SW, there is some ridging over WA, OR, ID, Southern BC, and Alberta. So, with the freezing level at 13,000' today and tomorrow, high temperatures for both days should reach the low to mid 90's. Anyone looking for serious HEAT? "Record setting heat is being caused by a stubborn upper level high pressure centered across the desert SW where record high temperatures were set in several locales including Phoenix at 116°, Lake Havasu City, AZ reached 123°, and Furnace Creek in Death Valley, CA topped the list at 126° W-O-W!!-this is approximately 30 degrees warmer than the expected high temperature for this area! Meanwhile, what appears to be a minor disturbance-and containing some energy-is moving SW to NE over SW to NE OR, Western, Southwestern and central WA which is believed to be responsible for the partly cloudy conditions currently over this area. Current conditions for 8/09-partly cloudy (scattered Cirrus and Cirrostratus), light to moderate haze, no precipitation in the past 24, and very little air movement. It is from the West at 10 mph, then from the ESE at 0 mph, humidity 53% {yesterday, the reading was 37%}, dew point 55°, current freezing level is near 13,000', observation time temperature 63.1°, and the barometric pressure 29.92" and rising.
|
| 8/10/2012 |
5:40 AM |
0.00 |
0.0 |
M |
0.0 |
M |
With high pressure still at the surface-across a somewhat smaller area of the SW and centered in NW NM-and aloft (over Southern Saskatchewan, SW Manitoba, the Dakotas, WY and SE WA and OR), the nearest active weather to WA is moving NE by East over Southern ID, Western WY, and most of MT before turning SE over the Dakotas. Meanwhile, 24 hours ago, it was noted that a cold front was moving East by SE over Western Alberta, SE BC and NE to SW WA that could affect the area (Eastern WA) by sometime tomorrow which appears to be the case as "a dry cold front will bring gusty NW wind-10-25 mph with gusts to around 30mph-to the Kittitas Valley today into this evening". In the meantime, today should be the last "cool" day as the freezing level (currently at 12,500') will begin a steady climb from tonight through most of next week and bring the onset of warmer temperatures-upper 80's to low 90's today- from Saturday evening through early next week (as the freezing level will hover between 14,000-14,500') before even warmer temperatures invade the area from next Tuesday evening to near the end of the work week. Highs should reach the mid to upper 90's with the possibility of nudging the low 100's as the freezing level will now hover between 15,000'-15,500'. Current conditions for 8/10-mostly clear (scattered Cirrus and Cirrostratus), light to moderate haze, no precipitation in the last 24, along with some air movement. It is from the NW at 13 mph, wind puff: out of the ESE to 4 mph, humidity 45%, dew point 54°, current freezing level is near 12,500', observation time temperature 63°, and the barometric pressure 29.83" and falling.
|
| 8/11/2012 |
5:40 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Even though the upper level low that had been spinning over the Gulf earlier in the week and finally moved inland over NW BC sometime Thursday is now over NW Saskatchewan and another rather large upper level low (centered West of SE AK) is spinning just South of the Gulf region. Although high pressure currently over WA, OR, ID, most of BC, Northwestern and Southwestern MT does not appear to be very potent, it should be strong enough to keep the upper level low (just mentioned) from affecting this area. Meanwhile, the real HEAT continues in the SW where high temperatures are expected to reach 110°-115° (e.g. Phoenix, AZ 113°, and Las Vegas, NV 110°) as a "stubborn but strong upper level high pressure remains firmly entrenched along the Southwestern US through early next week". Meanwhile, from today through the end of the work week next week, the freezing level will hover between 14,500'-15,000'. As a result, high temperatures during this period, are expected to reach the mid to upper 90's with the probability of nudging the low 100's. There are indications however, that by early next week, a cold front moving East by SE over SE to SW BC and the SE half of Vancouver Island is projected to continue moving SE and pass over WA by sometime next Tuesday. Current conditions for 8/11-mostly clear (not sure if the clouds that are visible are scattered Cirrus or smoke), light to moderate haze, no precipitation in the last 24, and very little air movement. It is from the NW at 10 mph, then from the South at 0-1 mph, wind puff: is out of the South to 7 mph, humidity 50%, dew point 53°, current freezing level is near 14,500' [yesterday, it was near 12,500'], observation time temperature 61°, and the barometric pressure 29.82" and rising. |
| 8/12/2012 |
5:40 AM |
0.00 |
0.0 |
M |
0.0 |
M |
With high pressure currently over WA, OR, ID, MT, WY, most of BC and Alberta, there are indications it will remain over the area through the end of the upcoming work week resulting in continued dry conditions and very warm temperatures. As a result, high temperatures should reach the mid to upper 90's for most of the work week except Wednesday and Thursday when the highs will have the potential to reach the low to mid 100's. In addition, the freezing level will also remain high through the end of the work week with the maximum level projected to reach 16,000' by Wednesday and Thursday. However, the real HEAT continues in the SW (e.g. Phoenix, AZ 113°, and Las Vegas, NV 109°) where "a few of the hotter desert locations across Southern and Southwestern AZ, and the interior of-south-central CA will soar into the lower 120's as Southerly to Southeastern breezes flow around the western fringes of the fair weather center". Mid afternoon weather for 8/11-clear skies, temperatures are in the mid to upper 90's, BP 29.74"R along with minimal air movement first from the East, then from the SE. Current conditions for 8/12-clear skies, the haze is moderate to bad, no precipitation in the past 24, and very little air movement. It is from the West at 6 mph, then from the South at 0 mph, wind gust: out of the SSE to 10 mph, humidity 50%, dew point 57°, current freezing level is near 15,000', observation time temperature 60°, and the barometric pressure 29.82" and rising. |
| 8/13/2012 |
5:49 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The freezing level will remain high through the work week with the maximum level expected to reach 16,000' for Wednesday and Thursday. High temperatures should reach the mid to upper 90's for most of the week except for Wednesday and Thursday when high temperatures for these two days will have the potential to reach the low 100's. Although the ridge of high pressure that was over WA, OR, ID, MT, WY, and most of BC and Alberta has flattened considerably since yesterday, an upper level low centered South of the middle Aleutians will move East by NE toward the Gulf and as it does, a ridge of high pressure will build over the area (WA, ID, MT, and WY) by sometime tomorrow through mid week at which time it will strengthen even more, remain over the area {thereby preventing the upper level low-mentioned above-from affecting this area} through the upcoming weekend and result in continued dry conditions and warm temperatures. Meanwhile, "clouds" are moving East over central and Northwestern BC as well as central Alberta with some of these clouds extending SE over the Canadian Rockies (BC/Alberta border) and South over the Northern boundary counties (Okanogan and Ferry) of WA. Current conditions for 8/13-partly cloudy (scattered Cirrus and Cirrostratus), no precipitation in the last 24, the haze is moderate to bad, and very little air movement. It is from the West at 7 mph, then from the South at 0 mph, humidity 39% [yesterday, the reading was 50%], dew point 57°, current freezing level is near 15,000', observation time temperature 64°, and the barometric pressure 29.74" and falling. |
| 8/14/2012 |
6:01 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Heat will be the general rule for Western WA today as "a spell of hot weather is expected later Wednesday through Friday. Many locations from Seattle Southward in the interior will see temperatures rise well into the 90's on Thursday". For Eastern WA, the freezing level will be near 15,000' today and Friday, with the maximum level expected to reach 15,500' tonight through Thursday. High temperatures for today should reach the low to mid 90's and the mid to upper 90's for tomorrow and Thursday. Other than a "disturbance" moving East by SE over Saskatchewan and NW Manitoba and a large upper level low centered South of the middle Aleutians, it appears that "active weather" will not be affecting this area (WA) at least through the weekend as high pressure will build over the area today and tomorrow at which time it is projected to strengthen even more and remain over the area through the upcoming weekend with the likelihood of continued dry conditions and warm temperatures. Mid afternoon weather for 8/13-partly cloudy (scattered Cirrus), temperatures are in the mid to upper 90's, BP 29.67"F along with light air movement from the SW. However upon reaching the NW summit of Saddlerock, two things became apparent: a fire cloud extending from the SW to the SE, and a strong, steady breeze from the NE. Current conditions for 8/14-mostly clear (a few scattered clouds to the NE), no precipitation in the past 24, the air quality is moderate to bad as "high pressure aloft is preventing the mixing of air and keeping smoke near the surface", and very little air movement. It is from the North at 0-2 mph, humidity 24%, dew point 50° {yesterday, the readings were 39% and 57° respectively}, current freezing level is near 15,000', observation time temperature 73°, and the barometric pressure 29.69" and falling. |
| 8/15/2012 |
5:50 AM |
0.00 |
0.0 |
M |
0.0 |
M |
With the freezing level currently near 16,000', it appears that today through tomorrow night will be the warmest two days of the week as high temperatures for these two days are expected to reach the mid to upper 90's with the potential of nudging the low 100's. By way of contrast in the SW, "a few hotter desert locations such as Lake Havasu City, AZ will skyrocket into the lower 120's potentially peaking at an amazing 125 degrees"! W-O-W!! Meanwhile, the the high freezing level and warm temperatures are the result of a high pressure ridge both at the surface-well West of the WA coast-and aloft attempting to build over the area (WA) as there is currently a weak minor disturbance over extreme NE WA that should move East by SE over NE MT sometime today at which time the ridge will rebuild and remain over the area through the weekend. As a result, any wind or air movment should be light today and tomorrow. As an interesting note, the "stronger" ridge of high pressure will eventually force the upper level low (now centered South of the inner Aleutians) East by SE over the SE portion of the Yukon. Mid afternoon weather for 8/14-mostly clear (widely scattered clouds to the South and SE), temperatures are in the low to mid 90's, BP 29.58"F along with light air movement from the NW. Current conditions for 8/15-clear skies, no precipitation in the past 24, the air quality is moderate to bad, though there is some air movement. It is from the WSW at 7 mph, then from the ESE at 10 mph, wind puff: out of the West at 0-7 mph, humidity 31%, dew point 44° {yesterday, the readings were 24% and 50° respectively}, current freezing level is near 16,000', observtion time temperature 62°, and the barometric pressure 29.79" and rising.
|
| 8/16/2012 |
6:13 AM |
0.00 |
0.0 |
M |
0.0 |
M |
It was thought that the high temperature for yesterday would reach the mid to upper 90's with the potential of nudging the low 100's for two reasons: a ridge of high pressure at the surface-well off the WA coast-and aloft, was attempting to build over the area (which may have accounted for the high freezing level) as a minor disturbance was over extreme NE WA. Obviously, yesterday's high temperatures were not reached possibly because of a persistent light breeze for most of the day as the "disturbance" (mentioned above) moved slowly East by SE over NE MT, or the upper level winds (according to both the GFS and NAM models) were flowing down the NE side of the high pressure ridge {NW-SE} over the area, or a combination of both possibilities. By late afternoon however, the breeze had abated considerably thereby suggesting that the ridge of high pressure had rebuilt and should remain over the area through most of the weekend. It is now believed the warmest days of the week will be Friday and Saturday as strong high pressure will be firmly established over the PNW and "a very hot air mass will set up along the East slopes of the central and South central Cascades which will lead to hot temperatures and an unstable atmosphere". High temperatures these two days, are expected to reach the mid to upper 90's with the potential of nudging the low 100's. In the meantime, today's high temperatures should reach the low to mid 90's. Current conditions for 8/16-clear skies (except for some scattered "fire clouds" to the South), no precipitation in the past 24, the air quality is moderate to bad, and very little air movement. It is from the NW at 6 mph, then from the WNW at 5-6 mph, wind gust: out of the NW to 13 mph, humidity 48% (yesterday, the reading was 31%), dew point 45°, current freezing level is near 16,000', observation time temperature 57°, and the barometric pressure 29.86" and rising. |
| 8/17/2012 |
6:08 AM |
0.00 |
0.0 |
M |
0.0 |
M |
With no active weather in sight for at least two days (except for a chance of "dry thunderstorms containing little rainfall Saturday evening"), the main event for the next two days will be HEAT and low humidity (13-23%) as strong high pressure at the surface and aloft will be firmly established over the PNW and "a very hot air mass will set up along the East slopes of the central and South Central Cascades which will lead to hot temperatures and an unstable atmosphere. It is therefore believed that that the warmest days of the week will be Friday and Saturday where temperatures are expected to reach the mid to upper 90's with the potential of nudging the low 100's. Mid afternoon weather for 8/16-clear skies and very warm. Temperatures are in the low to mid 90's, BP 29.76"R along with cool and refreshing light air movement from several directions including the NE, SE, and South. Current conditions for 8/17-clear skies, no precipitation in the past 24 {today is the 28th day without any measurable precipitation-the last rain event occurred on July 20 where 0.03" was recorded}, the air quality is moderate to bad, although there is some air movement. It is from the WNW at 3-11 mph, then from the South at 2 mph, humidity 44%, dew point 47°, current freezing level is near 15,000', observation time temperature 59°, and the barometric pressure 29.81" and rising. |
| 8/18/2012 |
6:05 AM |
0.00 |
0.0 |
M |
0.0 |
M |
One more day of the same weather conditions as yesterday, which consist of: 1) continued very warm temperatures as they are expected, one more time, to reach the mid to upper 90's with the potential of nudging the low 100's as 2) strong high pressure is both at the surface {in Southern AZ and the UT/AZ border} and aloft which remains firmly established over the PNW along with 3) "a very hot air mass that has set up along the East slopes of the central and South central Cascades which will lead to hot temperatures and an unstable atmosphere". In addition, there is a chance for 4) "dry thunderstorms containing little rainfall and a threat of abundant lightening this evening". Following the HEAT and looking ahead, it appears that a change is on the way in the form of a cooling trend that will be reflected in part by the freezing level {as it will lower from a maximum level of 13,000' Wednesday, to a minimum level of just 8500' near the end of the work week} and the temperatures which are projected to reach just the upper 70's to low 80's during this period. What is believed to be responsible for the lowering temperatures and the freezing level level is a "low pressure system that will track through the area on Tuesday bringing a chance of thunderstorms. Some storms have the potential to be strong with abundant lightning, rain, hail, and gusty winds". Current conditions for 8/18-partly cloudy (scattered Cirrus and Cirrostratus), no precipitation in the past 24, moderate to bad haze, and very little air movement. It is from the South at 0-2 mph, wind puff: out of the South to 7 mph, humidity 44%, dew point 50°, current freezing level is near 13,500' [yesterday, it was near 15,000'], observation time temperature 60°, and the barometric pressure 29.78" and falling. |
| 8/19/2012 |
6:08 AM |
T |
0.0 |
M |
0.0 |
M |
The amount recorded above occurred after the observation time. The freezing level will range between 12,000'-13,000' through mid week which suggests it will not be quite as warm like the past few days. High temperatures during this period should be in the low to mid 90's today and tomorrow, cooling to the upper 80's to low 90' for Tuesday, and the low to mid 80's by mid week. The agent responsible for the lower temperatures and freezing level is a "low pressure system that will track through the area Monday night into Tuesday. There is the potential for elevated thunderstorms Monday night and then a chance for strong thunderstorms Tuesday afternoon. Some storms may contain abundant lightening, rain, hail, and gusty winds". Mid afternoon weather for 8/18-mostly cloudy (Cirrostratus) and very warm. Temperatures are in the mid to upper 90's, BP 29.64"F along with very light air movement from multiple directions including the East, SE and South. Current conditions for 8/19-partly cloudy (scattered Cumulus and widely scattered Cirrostratus), the air quality is moderate to bad, though there is currently very light air movement. It is from the South at 2-6 mph, wind gust: out of the SSW to 12 mph, then from the NNW to 23 mph, humidity 36%, dew point 54°, current freezing level is near 12,000', observation time temperature 63°, and the barometric pressure 29.69" and falling. |
| 8/20/2012 |
6:08 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although high pressure remains over the area (WA) for the time being (with high temperatures expected to reach the low to mid 90's today and the upper 80's to low 90's tomorrow), clouds and energy are presently moving East by NE over NW OR, SW to Northern WA (Whatcom county), the central Southern interior and Southwestern BC as an upper level low is currently centered near the SW coast of Northern Vancouver Island. Meanwhile, as mentioned yesterday, "thunderstorms will develop near the OR border and track North through Eastern WA overnight. Then a strong low pressure system will move through the region Tuesday afternoon increasing the threat for thunderstorms". Following the "passages", a cold front moving East by SE is projected to be over far Eastern to SW BC, the mid section of Vancouver Island and near the NW coast of WA (Olympic Peninsula) by sometime Wednesday then continue its SE movement over WA the following day. With its passage, the freezing level should drop from a maximum level of 13,000' Wednesday night to a minimum level of 8500' by Friday. At this point, high temperatures are only expected to reach the upper 70's to low 80's by Thursday and Friday. Current conditions for 8/20-mostly cloudy (scattered Cirrus and Cirrostratus), no precipitation in the past 24, the air quality continues to be moderate to bad, and very little air movement. It is from the North at 11 mph, then from the NNW at 1 mph, wind gust: out of the NNW to 22 mph, humidity 39%, dew point 45° {yesterday, the reading was 56°}, current freezing level is near 13,500', observation time temperature 66°, and the barometric pressure 29.71" and falling. |
| 8/21/2012 |
6:17 AM |
0.00 |
0.0 |
M |
0.0 |
M |
As one disturbance is moving North by NE over far Eastern WA, the Northern panhandle of ID and Southeastern BC, another of less intensity is moving in the same direction (N by NE) over SW to Northern WA {Okanogan county} and Southern BC. Could this be the "strong low pressure system that will move through the region Tuesday afternoon and increasing the threat for thunderstorms" as satellite images do not indicate any "development" behind this disturbance? One model shows a moderate sized band of precipitation moving North by NE over far Eastern WA and the Northern panhandle of ID and a large pocket of more intense rainfall occurring NE of Moscow and the Northern panhandle of ID. Mid afternoon weather for 8/20-mostly cloudy (scattered Cirrus, Cirrostratus, and Altocumulus), temperatures are in the low to mid 90's, BP 29.68"R along with calm winds. Current conditions for 8/20-mostly cloudy (scattered Cirrus, Cirrostratus and Altocumulus) although it appears to be clearing from West to East, no precipitation in the past 24, the air quality is moderate to bad, and very little by way of air movement. It is from the WNW at 1-9 mph, wind gust: out of the NW to 12 mph, humidity 40%, dew point 48°, current freezing level is near 12,500' [yesterday, it was near 13,500'], observation time temperature 63°, and the barometric pressure 29.68" and rising. |
| 8/22/2012 |
6:09 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Today, the freezing level will hover between 11,500'-12,500' before lowering even further to a minimum level of 8000' Thursday night, then rebounding slightly the following day to 8500' as "another cold front will move through the interior Pacific NW by sometime Thursday and bring a cooler air mass which will result in a brief cool down with day time temperatures on Friday 4-9 degrees cooler than normal". High temperatures will reflect the "cool down" as they will reach the mid to upper 80's today, low to mid 80's tomorrow, and only the upper 70's to low 80's by Friday. With the passage of this cold front, "a mid/upper level ridge is forecast to build over the region through the weekend and produce a warming trend through early next week". However, after looking at some models (GFS and NAM), it appears that an upper level low over the Gulf, is projected to slide SE (in the process, push a "small" ridge ahead of it over WA, OR, and ID Saturday and Sunday) and arrive off the coast of WA by sometime Saturday and remain there through early next week when it begins to move inland over WA. As this minimum level {mentioned above} grabs the attention because it is still late summer, and even though there are only 31 days until the commencement of autumn, September has been known to have warm days too. Current conditions for 8/22-clear skies, no precipitation in the past 24, the air quality continues moderate to bad, though there are some nice wind velocities. They are from the WNW at 5-16 mph, then from the West at 7-11 mph, humidity 41%, dew point 42°, current freezing level is near 11,500' [yesterday, it was near 12,500], observation time temperature 63°, and the barometric pressure 29.68" and rising. |
| 8/23/2012 |
6:20 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The minimum freezing level of 8000' will be reached today and remain over the area through tomorrow before rebounding some extent by the weekend as "another cold front will move through the interior PNW sometime today (one model already shows a cold front moving East by SE over Eastern WA) and bring a cooler air mass resulting in a brief cool down with day time highs on Friday 4-9 degrees cooler than normal. Temperatures in this area will also reflect the "cool down" as they will reach the upper 70's to low 80's today, and only the mid to upper 70's tomorrow. Meanwhile, after looking at both the GFS and NAM models, it appears that an upper level low will be positioned over the Gulf by sometime tomorrow and from this point commence to slide South by SE arriving off the coast of OR sometime Sunday before bearing NE off the coast of WA the following day and as it does, high pressure ahead of it will have developed at the surface and aloft (by sometime on Monday) over WA, ID, MT, WY, NV and, at the present time, looks as though it will remain over the area through mid week bringing dry conditions and a "warming trend". Mid afternoon weather for 8/22-clear skies (except for some clouds to the NW), temperatures are in the low to mid 80's, BP 29.78"R along with light air movement, mainly from the NW. Current conditions for 8/23-clear skies, no precipitation in the last 24, the haze is moderate, though there is some air movement. It is from the West at 4-11 mph, wind gust: out of the West to 19 mph, humidity 47%, dew point 41°, current freezing level is near 10,000' [yesterday, it was near 11,500'], observation time temperature 62°, and the barometric pressure 29.75" and rising. |
| 8/25/2012 |
6:11 AM |
0.00 |
0.0 |
M |
0.0 |
M |
48 hours ago, after looking at both the GFS and NAM models, it appeared that an upper level low would be positioned over the Gulf (as of yesterday, it was centered West of the Queen Charlottes) and from this point commence to slide South by SE arriving off the coast of Northern OR sometime Sunday before bearing NE off the coast of WA by Monday. As it does, high pressure ahead of it will have developed at the surface (centered on the CO/NM border) and aloft {over WA, OR, ID, MT, WY, and the Dakotas} sometime Monday, and, at this point in time, looks as though it will remain over the area through mid week bringing dry conditions, a "warming trend", and will effectively block the upper level low from moving over WA during this period. Believe it or not, "light winds, clear skies, and dry air, will promote strong radiational cooling overnight and as a result, FREEZING temperatures are likely across valley locations in Northeastern WA from 1AM to 9AM this morning"! Mid afternoon weather for 8/24-clear skies (except for widely scattered Cumulus in the West and SW), temperatures are in the mid to upper 70's, BP 29.84"R along with some air movement from the East. Current conditions for 8/25-clear skies, no precipitation in the last 24, the air quality is moderate to bad, and even though at the present time, there is no air movement, earlier, it was from the North at 2-6 mph, then from the SSW at 9 mph, wind gust: out of the NNE to 11 mph, then from the SW to 10 mph, humidity 41%, dew point 63° {yesterday, the reading was 36°}, current freezing level is near 12,500' [yesterday, it was near 9500'], observation time temperature 48°, and the barometric pressure 29.82" and rising. |
| 8/26/2012 |
6:14 AM |
0.00 |
0.0 |
M |
0.0 |
M |
On one model, the upper level low can be seen spinning off the coast of NW OR spreading clouds and energy over NW OR, most of Western WA (of which, a few high clouds migrated to Eastern WA-Chelan, Kittitas, and Yakima counties), the central and SW coast of BC as well as the Queen Charlottes. It should bear North (off the coast of WA by sometime tomorrow) and as it does, high pressure ahead of it will have developed over WA, OR, ID, MT, WY, and the Dakotas, then strengthen later tomorrow and Tuesday bringing dry conditions and a "warming trend" for the next few days. High temperatures should be in the mid to upper 80's today, and the upper 80's to low 90's tomorrow. Meanwhile, another model shows low pressure West of Vancouver Island, and a cold front approaching the coast of WA and OR. As this low pressure slides NE over SE BC, the cold front is shown tracking SE over Northern ID, NE to Southern WA, Northern (Biggs area) to SW OR and the NW corner of CA. It is believed that the counterclockwise rotation of the low pressure off the coast of Vancouver Island contributed to a direction change where the cold front actually tracked SE over all of WA as well as the other areas just mentioned. Mid afternoon weather for 8/25-clear skies, temperatures are in the low to mid 80's on a very pleasant late summer afternoon along with a light, refreshing breeze mainly from the East and South. Current conditions for 8/26-mostly clear (scattered Cirrus-the dominant cloud type-and a small area of Altocumulus), no precipitation in the past 24, the air quality remains moderate to bad, and very little air movement. It is from the NW at 7 mph, then from the North at 4-6 mph, wind gust: out of the NNW to 12 mph, humidity 50%, dew point 40°, {yesterday, the readings were 41% and 63° respectively}, current freezing level is near 11,500' [yesterday, it was near 12,500'], observation time temperature 50°, and the barometric pressure 29.66" and falling. |
| 8/27/2012 |
6:14 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The ridge of high pressure-which appears to have strengthened since yesterday-is currently at the surface (SE CO) and aloft (over WA, OR, ID, MT, WY, the Dakotas as well as most of Alberta and Saskatchewan) should remain over these areas bringing continued dry and pleasant conditions through tomorrow. High temperatures are expected to reach the mid to upper 80's today, and the low to mid 80's tomorrow. In addition, it is believed to be strong enough to keep the upper level low (where yesterday, it was observed-by way of a model-spinning off the coast of NW OR and is now centered near the coast of Vancouver Island) from moving inland over WA for the time being. However, there are indications that by midweek, "a low pressure system will move across the PNW late Tuesday and Wednesday producing scattered showers, breezy West winds and cooler temperatures". As a result, the freezing level will commence a continual lowering from 10,500' after today to between 9500'-8500' tomorrow and finally reach a minimum level of only 7500' by Wednesday. As already mentioned, high temperatures for tomorrow should reach the low to mid 80's, but only the upper 60's to low 70's for Wednesday. Mid afternoon weather for 8/26-mostly cloudy (Altocumulus-the dominant cloud type-and scattered Cirrus), temperatures are in the mid to upper 80's, BP 29.52"F along with occasional air movement from the NW. Current conditions for 8/27-clear skies, no precipitation in the last 24, the haze is moderate to bad, and very little air movement. It is from the NW at 8 mph, then from the WNW at 4-8 mph, wind gust: out of the NW to 18 mph, humidity 42%, dew point 44°, current freezing level is near 10,500' [yesterday, it was near 11,500'], observation time temperature 65°, and the barometric pressure 29.74" and rising. |
| 8/28/2012 |
6:23 AM |
0.00 |
0.0 |
M |
0.0 |
M |
High pressure at the surface-Southern CO-and aloft (over WA, OR, ID, MT, WY, the Dakotas, as well as Saskatchewan, Manitoba, and most of Alberta) will remain over these areas one more day bringing dry, pleasant conditions {any wind should be in a SW flow pattern} at which time, the upper level trough (currently off the coasts of WA and OR) should track East by NE over WA by late tonight or tomorrow producing "breezy 'West' winds and cooler temperatures". As a result, the freezing level, currently near 9000', will lower to 8000' by tonight, and reach a minimum level of only 6500' tomorrow. Temperatures will be noticeably cooler as the high should reach the low to mid 80's today, and only the upper 60's to low 70's tomorrow. Even tonight's low temperature has the potential to reach only the upper 40's to low 50's! Mid afternoon weather for 8/27-mostly clear (scattered Cumulus from the West to the North), temperatures are in the mid to upper 80's, BP 29.71"R along with light air movement from the NW on a very pleasant late summer afternoon. Current conditions for 8/28-partly cloudy (scattered Cumulus and widely scattered Cirrus), no precipitation in the last 24, the air quality remains moderate to bad, and, at the present time, very little air movement. It is from the West at 5 mph, then from the WNW at 3-5 mph, wind gust: out of the NW to 11 mph, humidity 48%, dew point 44°, current snow level is near 9000' [yesterday, it was near 10,500'], observation time temperature 59°, and the barometric pressure 29.80" and rising. |
| 8/29/2012 |
6:29 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The ridge of high pressure that brought dry conditions and warm temperatures the past few days, is now well East of the area (WA). In its place, for the time being, is a small, "finger-like" band of clouds moving NE and producing scattered precipitation over the Olympic Peninsula and NW WA. Other than that, the nearest weather to WA is an upper level low currently centered over the Southern Alexander (SE AK!) and there are indications that it will continue to slide SE, attempt to move over WA sometime tomorrow and Friday, but will be prevented from doing so as high pressure will develop and strengthen ahead of it. Meanwhile, even though the freezing level is currently near 6500', it will begin a gradual rebound reaching a maximum level of near 13,000' for the weekend. High temperatures should be in the low to mid 70's today, mid to upper 70's tomorrow, and possibly the upper 70's to low 80's by Friday. Mid afternoon weather for 8/28-mostly cloudy (Cumulus-the dominant cloud type-and widely scattered Altocumulus), temperatures are in the upper 70's to low 80's, BP 29.65"R along with light air movement from the NW. Current conditions for 8/29-partly cloudy (scattered Cumulus), no precipitation in the last 24, the air quality is moderate, though there is currently some air movement. It is from the North at 10 mph, then from the West at 3-5 mph, wind gust: out of the WNW to 13 mph, humidity 48%, dew point 43°, current snow level 6500', observation time temperature 56°, and the barometric pressure 29.87" and rising. |
| 8/30/2012 |
6:22 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The upper level low that yesterday was centered over SE AK, continued its SE track with its center now over North central BC and though this upper level low will continue to slide SE and approach the NW coasts of WA by sometime tomorrow, it will be prevented from moving over the state as high pressure will develop and strengthen ahead of it while simultaneously moving East. The same can not be said of the upper level trough as it will move inland over the central coast to NE WA, then shift NE over far Northern WA by sometime Saturday. Meanwhile, the freezing level should hover between 11,000'-12,500' through Labor Day before rising further and reaching a maximum level of 13,000'-14,000' early next week. High temperatures for today, tomorrow and Saturday, should be in the upper 70's to low 80's. However, with the possibility of strong radiational cooling (clear skies, light wind, and dry conditions) tonight, low temperatures could be cool as they are projected to be in the upper 40's to low 50's by early tomorrow morning. Mid afternoon weather for 8/29-partly cloudy (scattered Cirrus and Cirrostratus from the NW to the NE, as well as Cumulus-the dominant cloud type), temperatures are in the mid to upper 70's, BP 29.79"R along with light air movement from the NE. Current conditions for 8/30-clear skies, no precipitation in the last 24, the air quality is moderate to bad, though there is light air movement. It is from the West at 2-6 mph, wind gust: out of the WNW to 12 mph, humidity 62% {yesterday, the reading was 48%}, dew point 43°, current freezing level is near 11,000' [yesterday, it was near 6500'], observation time temperature 50°, and the barometric pressure 29.84" and rising. |
| 8/31/2012 |
6:23 AM |
0.00 |
0.0 |
M |
0.0 |
M |
The upper level low, which has been the dominant feature the past few days, continued to track SE from North central BC and is now centered over SW BC. As of yesterday, it was believed that it would attempt to move over WA by sometime today but would be prevented from doing so as high pressure was going to develop and strengthen ahead of it. However, after looking at the NPJ, GFS, and NAM models this morning, they show it brushing the NW coasts of, then far Northern WA by sometime today although the upper level trough associated with it, has already begun to move inland over SW to NE WA. In the meantime, clouds currently over the area are part of a narrow band of clouds extending
SW to NE over SW to NE WA, SE BC, and Southern Alberta {SW to the East} as they flow around the SE side of the upper level low (mentioned above) and up the NW side of a high pressure ridge. Mid afternoon weather for 8/30-partly cloudy (scattered Cirrus and Altocumulus), temperatures are in the upper 70's to low 80's, BP 29.64"F along with a gentle breeze from the SE. Current conditions for 8/31-partly cloudy (a narrow band of Altocumulus from the SW to the NE), no precipitation in the last 24, the air quality is moderate, and very little air movement at the present time. It is from the West at 5 mph, then from the WNW at 3-5 mph, wind gust: out of the NW to 16 mph, humidity 53%, dew point 44°, current freezing level is near 12,000' [yesterday, it was near 11,000], observation time temperature 57°, and the barometric pressure 29.66" and falling. |
| 9/1/2012 |
6:29 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Mid afternoon weather for 8/31-mostly clear (a narrow band of Altocumulus from the South to the East), temperatures are in the low to mid 80's, BP 29.56"F along with light air movement-mainly from the NW and North. Current conditions for 9/01-clear skies, no precipitation in the past 24, the air quality is moderate, though there is some air movement. It is from the West at 2-7 mph, wind gust: out of the WNW to 16 mph, humidity 41%, dew point 35° {yesterday, the readings were 53% and 44° respectively}, current snow level is near 10,500' [yesterday, it was near 12,000'], observation time temperature 56°, and the barometric pressure 29.81" and rising. Here are some interesting stats for AUGUST- 1) total rainfall: T on 8/19-other than that, the last rain event occurred on 7/20/12 when 0.03" was recorded, 2) number of days with no precipitation: 30, 3) high BP 29.92" on 8/09, 4) low BP: 29.66" on 8/26, 5) date with low BP and no precipitation: 29.66" on 8/26, 6) date with high BP and precipitation: this stat did not happen, 7) average BP: 29.84", 8) average morning temperature: a) digital: 62.4°, b) official minimum: 61°, 9) low morning temperature: a) digital: 50.2° on 8/25, b) official minimum: 48° on 8/25, 10) high morning temperature: a) digital: 74.3° on 8/14, b) official minimum: 73° on 8/06, 08 & 14, 11) average afternoon temperature: a) digital: 90.2°, official max: 90.5°, 12) low afternoon temperatures: a) digital 76.6° on 8/23, b) official min: 75° on 8/23 & 13), high afternoon temperatures: a) digital: 101° on 8/05, b) official max: 100° on 8/05 & 8/07. |
| 9/2/2012 |
6:30 AM |
0.00 |
0.0 |
M |
0.0 |
M |
With one model showing a narrow band of clouds extending SW to NE over Western Yakima and Kittitas counties as well as Southern Chelan county, and some energy over SW Kittitas and Chelan counties, the closest active weather to WA is over far Northwestern BC and an upper level low centered over the central Alberta/Saskatchewan border. As an interesting note, there is a dome of high pressure North of this upper level low, some ridging to the East {over Manitoba} and West (over the Gulf). There are indications that this ridge of high pressure will move East, build, strengthen, and begin to affect (WA) by sometime tomorrow, and is projected to remain over the area through next weekend bringing dry conditions and pleasant temperatures. In the mean time, although the current freezing level is near 11,000', then rising to 12,500' by tonight, it appears that from Monday night through the first half of the weekend, the maximum level will range between 13,000'-14,000'. High temperatures for today should reach the upper 70's to low 80's, the low to mid 80's tomorrow and the mid to upper 80's by the following day. Mid afternoon weather for 9/01-clear skies, temperatures are in the upper 70's to low 80's, BP 29.77"R along with light air movement mainly from the NE, though occasionally from the East and SE. Current conditions for 8/02-mostly clear (scattered Cirrus and Cirrostratus), no precipitation in the last 24, the air quality remains moderate to bad, even though there is some air movement. It is from the West at 4-11 mph, then from the WNW at 7-9 mph, wind gust: out of the WNW to 15 mph, humidity 42%, dew point 41°, current freezing level is near 11,000', observation time temperature 59°, and the barometric pressure 29.87" and rising. |
| 9/3/2012 |
6:40 AM |
0.00 |
0.0 |
M |
0.0 |
M |
With no active weather currently affecting WA, the closest weather is North of the border where this morning, two events were observed. The first of which was an upper level low centered over far Northwestern BC, second, clouds and energy were moving West to East over Southern Alberta and Western Saskatchewan, but East by SE over NW to SE BC (as event two was riding down the NE side of a high pressure ridge). Of some interest is a "small" piece of energy moving SE over SW BC which, if it holds together and remains on its present course, there is a chance of some scattered clouds at some point during the day. Meanwhile, since yesterday, the ridge of high pressure has indeed moved East {over Western BC, the Queen Charlottes, and SE AK-with its apex just over the southern border of the Yukon}, become stronger, and, at the present time, is close enough to affect WA. Furthermore, it is projected to remain over the area through the weekend bringing dry conditions and pleasant temperatures. High temperatures today should be in the low to mid 80's, and the mid to upper 80's with a chance of nudging the low 90's for the remainder of the work week. Mid afternoon weather for 9/02-mostly clear (a small area of Cirrus from the SW to the SE and widely scattered Cumulus),temperatures are in the upper 70's to low 80's, BP 29.87"R along with light air movement from the NE on a very pleasant late summer afternoon. Current conditions for 9/03-clear skies, no precipitation in the last 24, the air quality remains moderate to bad even though there is light air movement. It is from the
WNW at 2-5 mph, then from the West at 0-6 mph, wind gust: out of the WNW to 10 mph, humidity 54% {yesterday, the reading was 42%}, dew point 45°, current snow level is 12,000' [yesterday, it was 11,000'], observation time temperature 52°, and the barometric pressure 29.90" and rising. |
| 9/4/2012 |
6:30 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although active weather is well North of the border with an upper level low centered over NW Manitoba, an upper level trough over the South central part of the Yukon, and a second upper level low centered over and North of the middle Aleutians, the weather hasn't changed all that much since yesterday as high pressure is over the area (WA) and is now projected to remain over the area through the weekend bringing dry conditions and warm temperatures through the end of the workweek. Highs should reach the mid to upper 80's during this period. However, there are indications that a cooling trend is in the offing for the weekend and early next week as the freezing level will respond by dropping from 14,000' at the end of the workweek, to a minimum level of 8000' by early next week. As a means of corroboration, one model shows a cold front tracking East by SE from East of Prince George to SW BC, the SE half of Vancouver Island toward the NW coast of WA. These latter events occurr even though high pressure is still in place over WA. Mid afternoon weather for 9/03-mostly clear (Cirrus and Cirrostratus from the NW to the NE, and a small area of Altocumulus Undulatus toward the NE), temperatures are in the low to mid 80's, BP 29.81"R along with light air movement from several directions including the NE, East, SE, and South. Current conditions for 9/04-mostly clear (a few scattered Cumulus to the South), no precipitation in the last 24, the air quality continues to be moderate to bad, and very little by way of air movement. It is from the North at 3 mph, wind gust: out of the North to 13 mph, humidity 62%, dew point 46°, current freezing level 14,000', observation time temperature 52°, and the barometric pressure 30.00" and rising {interestingly, the last time the BP was at 30.00" or above occurred on 5/13/12 when the reading was 30.07"!}
|
| 9/5/2012 |
6:40 AM |
0.00 |
0.0 |
M |
0.0 |
M |
There are now just three more days that the maximum freezing level will be at 14,000' as high pressure is over (WA) and still projected to remain over the area through the weekend bringing continued dry conditions and warm temperatures. High temperatures should reach the mid to upper 80's today and tomorrow with a chance of nudging the low 90's by Friday. As an interesting note, clouds and energy are tracking NW to SE over Southern Alberta and South western Saskatchewan as well as central to SE BC. It was believed that if this piece of energy held together and stayed on its SE course that there would be a chance for scattered clouds at some point during the day. Meanwhile, indications continue to suggest that a cooling trend is in the offing for the weekend and early next week. The freezing level will respond with a steady decline from 14,000' at the end of the workweek to a minimum level of just 6500' by Monday night. After looking at an NOAA model earlier this morning, and as a means of corroboration, it (the model) continues to show a cold front tracking East by SE over NE to SW BC and nearing the NW tip of Vancouver Island by Sunday then passing over WA by sometime the following day. Current conditions for 9/05-partly cloudy (scattered Cirrus and Cirrostratus), no precipitation in the past 24, the air quality is still moderate to bad, and very little by way of air movement. It was from the North at 2-5 mph, wind gust: out of the NNW to 11 mph, humidity 57%, dew point 46°, current freezing level 14,000', observation time temperature 49°. and the barometric pressure 29.90" and falling.
|
| 9/6/2012 |
6:50 AM |
0.00 |
0.0 |
M |
0.0 |
M |
A slight change has occurred with the maximum freezing level as it will now range between between 13,000'-14,000' rather than the 14,000 for the remainder of the workweek as was previously thought. Nevertheless, high pressure (along with very dry air over Eastern WA and the central panhandle of ID) is over WA and is still projected to remain over the area through the weekend resulting in continued dry conditions and warm temperatures {though the high temperatures will decline as the weekend progresses}. High temperatures should reach the low to mid 80's today, the mid to upper 80's tomorrow, and the low to mid 80's for Saturday. In the meantime, there continues to be indications that a cooling trend is in the offing for the latter part of the weekend and early next week as "a strong cold front passage on Monday will bring windy conditions to the Columbia Basin where wind gusts in excess of 30 mph are possible". So, where exactly is this cold front? One model shows it tracking South by SE over NE to SW BC and the NW half of Vancouver Island toward the NW coast of WA by Sunday then passing over WA by sometime the following day. As a result, the freezing will respond with a steady decline from 14,000' at the end of the workweek to a minimum level of just 6500' by Monday night. Mid afternoon weather for 9/05-mostly cloudy (scattered Cirrus, Cirrostratus and Cirrocumulus), temperatures are in the mid to upper 80's, BP 29.67"F along with light air movement from the NW. Current conditions for 9/06-clear skies, no precipitation in the last 24, moderate to bad air quality even though there is some air movement. It is from the NW at 6 mph, then from the NNE at 2-3 mph, wind gust: out of the NE to 11 mph, humidity 52%, dew point 45°, current freezing level is 13,000' [yesterday, it was 14,000'], observation time temperature 53°, and the barometric pressure 29.89" and rising. |
| 9/7/2012 |
6:50 AM |
0.00 |
0.0 |
M |
0.0 |
M |
High pressure-along with a severe NE tilt-continues on track for remaining over the area (WA) through the weekend. High temperatures for today and tomorrow should reach the mid to upper 80s, and the low to mid 80's on Sunday. Meanwhile, an upper level low {currently off the West coast of AK!} is projected-by sometime Sunday-to track SE over the Alaskan Peninsula before turning East over the Gulf region, SE AK, and the Queen Charlottes, then turn East by SE over Vancouver Island and arriving over WA sometime Monday. In addition, this should be the last day the maximum freezing level will be at 14,000' as a steady drop will commence tonight and continue through the weekend during which time the freezing level will range between 12,000'-13,500'. However, the maximum level will drop significantly from 10,000' Sunday evening, to a minimum level of just 6500' Monday {as "a strong cold front passage on Monday will bring windy conditions to the Columbia Basin. Sustained winds of 20-30 mph with gusts to near 40 mph are possible"} before rebounding nicely with the maximum level projected to reach 12,000' by mid week. Mid afternoon weather for 9/06-clear skies, temperatures are in the low to mid 80's, BP 29.84"R along with calm winds. Current conditions for 9/07-clear skies, no precipitation in the last 24, the air quality is moderate, and very little by way of air movement. It is from the North at 1-3 mph, wind gust: out of the NNW to 12 mph, humidity 48%, dew point 41°, current freezing level is near 14,000' [yesterday, it was 13,000], observation time temperature 48°, and the barometric temperature 30.02" and rising. |
| 9/8/2012 |
6:50 AM |
0.00 |
0.0 |
M |
0.0 |
M |
One of the local radio stations stated that tomorrow's high should reach the low to mid 90's to which I respectively disagree for two reasons. First of all, the month is September, not July or August, though occasionally an "Indian summer" is experienced where high temperatures have the potential to reach the low 90's. In addition, the official normal high temperatures for September are the upper 70's to low 80's. Second, after checking high temperatures for the Yakima/Tri-cities area, they should only reach the mid 80's. In the meantime, today should be the last of a high freezing level (currently at 13,500'-and high temperatures today should reach the mid to upper 80's) as "warm and dry conditions will precede a cold front that will bring strong winds Sunday and Monday". How strong? Tomorrow they should be from "15-25 mph, with gusts up to 30 mph", becoming stronger the following day from "25-35 mph with gusts up to 45 mph". The freezing level will begin a steady decline tonight and tomorrow reaching a minimum level of just 5500' by Monday afternoon where-believe it or not-"SNOW and rain showers are likely" in the higher elevations. High temperatures for Monday should only reach the mid to upper 60's! However, this will be followed by a nice rebound from mid week through the end of the work week as the freezing level should, once more, range between 11,500'-12,500'. Current conditions for 9/08-partly cloudy (scattered Cirrus, Cirrostratus and Altocumulus), no precipitation in the last 24, the air quality is moderate to bad, and very little by way of air movement. It is from the WNW at 1-5 mph, wind gust: out of the North to 12 mph, humidity 13-23% {although it was given as 51%}, dew point 41°, current freezing level is near 13,500', observation time temperatue 48°, and the barometric pressure 29.97" and rising. |
| 9/9/2012 |
6:50 AM |
0.10 |
0.0 |
M |
0.0 |
M |
The amount recorded above ends a stretch of 49 consecutive days since the last rain event (7/20/12) when 0.03" was recorded. Today, tonight, and tomorrow look to be cooler days of the week as "gusty winds-from the West at 15-25 mph with gusts to 30 mph-will develop over much of central and Eastern WA Sunday afternoon". This will be followed by even stronger West winds as "a strong cold front passage on Monday will bring windy conditions to the Columbia Basin. Sustained winds of 20-30 mph with gusts to near 40 mph are likely". The freezing level (currently at 9500') will respond by lowering to a minimum level of only 5500' by Monday afternoon where "rain and SNOW-no accumulation-are expected". Following this brief cooling, a nice rebound is on the way from midweek though the end of the work week with warmer temperatures and a higher freezing level that should range between 12,000'-13,000'. Meanwhile, the upper level low of two days ago that was projected to arrive over WA by sometime tomorrow, is currently centered just East of SE AK and is now projected to move NE over the Yukon's Southwestern section by sometime tomorrow even though the upper level trough will arrive over WA and the Northern half of OR tomorrow. Current conditions for 9/09-from overcast skies earlier this morning to mostly clear (except near the Eastern horizon), the air quality is moderate to bad even though there is nice air movement. It is from the WNW at 6-8 mph, then from the North at 7-12 mph, wind gust: out of the NW to 20 mph, then out of the NNE to 21 mph, humidity 55% {even though it was listed elsewhere in the low 20% range}, dew point 52°, current freezing level is 9500' [yesterday, it was near 13,500'], observation time temperature 62°, and the barometric pressure 29.62" and falling.
|
| 9/10/2012 |
6:50 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Yesterday's upper level low that was centered just East of SE AK, has indeed moved NE over the Yukon's South western section while the upper level trough is shown (via a Canadian model) over WA and the Northern half of OR. As a result, today and tonight should be cool {as high temperatures today should reach the upper 60's to low 70's, while the low temperatures have the potential to be in the mid to upper 40's as "windy conditions will increase today behind a strong cold front passage. Sustained winds of 20-30 mph with gusts to near 40 mph are likely".} before a nice rebound commences tomorrow and lasts through the end of the work week since high pressure-from the Gulf region-is projected to begin affecting the area (WA) sometime tomorrow before moving over WA the following day and remain through the end of the work week. Mid afternoon weather for 9/09-clear skies, temperatures are in the upper 70's to low 80's, BP 29.62"F along with a nice breeze from the NW. Current conditions for 9/10-mostly clear (widely scattered Cumulus), no precipitation in the last 24, light to moderate haze, and some nice air movement. It is from the West at 5-9 mph, then from the WNW at 3-8 mph, wind gust: out of the WNW to 13 mph, then out of the NW to 17 mph, humidity 41% (although it is given elsewhere as between 15-25%), current snow level is 7000' lowering to 6000' later this afternoon, observation time temperature 53°, and the barometric pressure 29.71" and falling.
|
| 9/11/2012 |
7:00 AM |
0.00 |
0.0 |
M |
0.0 |
M |
It appears that a warming trend is on the way-:)! as high pressure over the Gulf region has indeed begun to affect WA and, indications are that it will shift further East over WA by sometime tomorrow and remain through the end of the work week resulting in dry conditions and WARMER temperatures. High temperatures for today should reach the low to mid 70's, the mid to upper 70's tomorrow, and the low to mid 80's on Thursday. After a brief "lull", another ridge of high pressure will, at first, begin to affect WA sometime Sunday before strengthening the following day over WA. By next week (Tuesday) however, it is projected to become robust, immense in size, and remain over WA through 9/27! Mid afternoon weather for 9/10-partly cloudy (scattered Cumulus-along with an immense plume of smoke from the West to the SE as a result of a fire on or near Twin Peaks West of Wenatchee). Temperatures are in the mid to upper 60's, BP 29.75R with a light to moderate breeze from several directions including the NW, North and NE. Current conditions for 9/11-the sky is assumed to be clear as a thick layer of smoke over the valley is making the air quality very bad, no precipitation in the last 24, and very little by way of air movement. It is from the WNW at 0-3 mph, wind gust: out of the NW to 13 mph, humidity 52% {although it it is given elsewhere as 32%}, dew point 34°, current snow level is near 8000' [yesterday, it was near 6000'], observation time temperature 43°, and the barometric pressure 30.02" and rising. |
| 9/12/2012 |
6:55 AM |
0.00 |
0.0 |
M |
0.0 |
M |
Although the current freezing level is near 12,500', it will rise to a maximum level of 14,000' tonight and tomorrow before lowering slightly tomorrow night to 13,000' then remain between 12,000'-13,000' through the weekend. High temperatures should be in the mid to upper 70's today, and the low to mid 80's tomorrow. In the meantime, three events will take place in the next few days. First-"high pressure will continue to build over the region today through Friday yielding a warming and drying trend with temperatures peaking on Friday". However, after a brief "lull" another ridge of high pressure should begin, at first, to affect WA sometime Sunday before strengthening the following day. There are indications however, that by early next week (Tuesday) a mammoth and robust ridge of high pressure should be over the area (WA) and remain through 9/28! Second event-"late Thursday afternoon and early evening, conditions will become quite unstable over the WA Cascades" and Third-"a weak cold front will pass through Friday evening leading to a slight increase in West to NW winds for Friday night and Saturday". Current conditions for 9/12-although a veil of smoke is over the valley, it has thinned enough to see that the sky is "clear", no precipitation the last 24, the air quality is bad, and very little by way of air movement. It is from the West at 4-8 mph, then from the WNW at 4 mph, wind gust: out of the NW to 12 mph, humidity 48% (although it is given elsewhere as between 14-24%), current freezing level is near 12,500' {yesterday, it was near 8000'}, observation time temperature 41°, and the barometric pressure 30.21" and rising. |
| 9/13/2012 |
6:55 AM |
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While the nearest "active weather" to WA is moving East by NE over SE AK, the Yukon's SE section, the NW Territories SW section, the Northern Queen Charlottes, Northern BC and most of Northern Alberta, high pressure currently in place over WA (as well as other areas) is keeping air movement to a minimum while at the same time trapping smoke and cool air near the surface. As a result, the veil of smoke over the valley has taken on a characteristic similar to being "socked in" by dense fog as East Wenatchee is, at the present time, still not visible. In addition, high temperatures are forecast to reach the mid 80's today; however, if this veil of smoke does not dissipate to some extent, it is believed that the highs will only reach the low to mid 70's. There are indications that by sometime Saturday, another ridge of high pressure will develop over the area (WA) and is projected to remain through most of the month and become robust and mammoth in the process! Mid afternoon weather for 9/12-although a veil of smoke is still over the valley, it thinned enough to deduce that the sky is mostly clear, temperatures are in the low to mid 70's, BP 30.16"R along with minimal air movement from the NW. Current conditions for 9/13-mostly "overcast", no precipitation in the last 24, the air quality is very bad, and little by way of air movement. It is from the WNW at 5 mph, wind gust: out of the NW to 11 mph, humidity 58% {though it is listed elsewhere as 25%), dew point 35°, current freezing level is near 14,000' [yesterday, it was near 12,500'], observation time temperature 40°, and the barometric pressure 30.20" and falling. |
| 9/14/2012 |
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The veil of smoke continues to hang over the valley like a dense fog, obscuring East Wenatchee and the surrounding mountains from view although it thinned some extent from the North to the NE. Yesterday, the ridge of high pressure that was over WA moved East of the area but is still close enough to be influential. In the meantime, a change in the weather pattern is coming this afternoon as "breezy West to NW winds will combine with very low relative humidity's (reaching a minimum this afternoon of just 7-13%), dry fuels, and very unstable afternoon conditions". High temperatures for today are forecast to reach the upper 80's to low 90's; however, if this veil of smoke does not dissipate to some extent, and the "winds" (mentioned above) do develop, it is believed that the highs should reach the mid to upper 70's. Mid afternoon weather for 9/13-once again, the smoke over the valley thinned enough to see some scattered Cirrus and Cirrostratus from the South to the SE. Temperatures are in the low to mid 70's, BP 29.99"F along with light air movement, first from the SE, then from the NW. Current conditions for 9/14-very dense smoke though it was thin enough overhead to actually observe some scattered clouds, no precipitation in the last 24, the air quality is very bad, and little by way of air movement. It is from the North at 0-2 mph, wind gust: out of the NNW to 12 mph, humidity 27%, dew point 39°, current freezing level is near 13,000' [yesterday, it was near 14,000'], observation time temperature 46°, and the barometric pressure 29.96" and falling. |
| 9/15/2012 |
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"A weak weather system, currently moving East by NE over most of WA-except for the far Southern section-will increase and thus promote local improvement in air quality tonight and Sunday with increased winds; however, a stagnant air pattern will return beginning Monday and lead to further deterioration of air quality through the middle of the new work week" as high pressure begins to build over the area sometime today, becoming stronger Sunday and Monday before flattening to some extent the following day. By mid week through the first half of the week end however, this ridge of high pressure should become even stronger, more robust, and immense over WA, thereby leading to the "deterioration" mentioned above. Mid afternoon weather for 9/14-the conservative high temperature estimate of the mid to upper 70's will not be realized today because of an inversion which resulted in poor mixing, calm winds, a veil of dense smoke over the valley-that failed to dissipate-and continues, even now, to obscure East Wenatchee, and the surrounding mountains. Temperatures are in the upper 60's to low 70's, BP 29.82" and falling. Current conditions for 9/15-the veil of smoke dissipated enough to notice some scattered Cirrus; however, the air quality remains bad, no precipitation in the last 24, and very little air movement. It is from the North at 0 mph, wind gust: out of the NNW to 17 mph, humidity 31%, dew point 38°, current freezing level is near 11,500' [yesterday, it was near 13,000'], observation time temperature 48°, and the barometric pressure 29.86" and falling. |
| 9/16/2012 |
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Not much change in the weather since yesterday (although poor air quality stretches from Wenatchee to Spokane and South by SE from Wenatchee to Lewiston, ID) as "a weak weather disturbance will temporarily lead to improving conditions today with increased winds {it is believed that this 'disturbance' may have passed through the area yesterday}. However, a stagnant weather pattern will return beginning Monday and lead to further deterioration of air quality through the middle of the work week" due, in part, to a high freezing level (currently near 13,000' with the maximum level expected to reach 14,000'-14,500' from tomorrow through at least Wednesday) and high pressure {currently at the surface-centered on the Southern end of SE AK, the NE end of the Queen Charlottes-and aloft} over WA for today and tomorrow before flattening some extent on Tuesday. However, this ridge will rebuild, becoming even stronger, more robust and immense as it will remain from mid week through the week end over WA which, in turn, further frustrates improving conditions for the near future. Current conditions for 9/16-although it is still "smokey", East Wenatchee, and the surrounding mountains are visible, no precipitation in the last 24, and very little air movement. It is from the North at 0-2 mph, then from the NNW at 8 mph, wind gust: out of the NNW to 14 mph, humidity 29%, dew point 44°, current freezing level is near 13,000' [yesterday, it was near 11,500'}, observation time temperature 50°, and the barometric pressure 29.99" and falling. |
| 9/17/2012 |
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Although strong high pressure is currently at the surface-centered just West of NW Vancouver Island-and aloft over WA, OR, ID, BC, Alberta, and Saskatchewan with its apex extending over Victoria Island beyond the Arctic Circle, it is in the process of breaking down to some extent and, as as result, the air flow will be temporarily zonal over BC and Western Alberta. By tomorrow however, this ridge will rebuild, become even stronger (than the one mentioned above), more robust, immense and should remain over the area through the weekend. Hence, "a stagnant air pattern will promote deterioration of the air quality through the middle of the week" at the very least. "Late night and morning hours will probably have the poorest air quality with smoke trapped near the ground under morning temperature inversions". In addition, high temperatures today through the weekend are forecast to be in the low 90's which is 12-15 degrees above normal for this time period. In reality, it is believed that the highs will reach the low to mid 80's today. Mid afternoon weather for 9/16-although it remains smokey, it thinned enough overhead to deduce that the sky is clear, temperatures are in the upper 70's to low 80's, BP 29.88"R along with minimal air movement from the East. Current conditions for 9/17-smokey skies {though East Wenatchee is just visible, the surrounding mountains are totally obscured from view}, no precipitation in the past 24, the air quality is obviously bad, with very little air movement. It is from the West at 2-4 mph, wind gust: out of the WNW to 11 mph, humidity 29%, dew point 43°, current freezing level is near 14,000' [yesterday, it was near 11,500'], observation time temperature 47°, and the barometric pressure 29.97" and falling. |
| 9/18/2012 |
7:03 AM |
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High pressure currently over WA, OR, ID, Alberta, and Saskatchewan has flattened to some extent since yesterday, and as a result, the air flow over BC and Western Alberta will be temporarily zonal. However, as the day progresses, this ridge should rebuild and become more robust, immense, as well as persistent and is projected to remain over the area (WA) through the last Saturday of the month! Hence, "a stagnant air pattern will promote deterioration of the air quality through the middle of the week" at the very least. "Late night and morning hours will probably have the poorest air quality with smoke trapped near the ground under morning temperature inversions". In the meantime, a cold front is shown moving South by SE over SE Saskatchewan and far Northern MT, then SW over central to SE BC. However, later the same day (Wednesday), it is shown plunging South over the Northern Plains while the eastern part of it is tracking SW over SW MT, the Northern panhandle of ID and Northeastern WA. Mid afternoon weather for 9/17-continued smokey-enough to obscure the mountains to the North and East from view-although it thinned enough overhead to reveal mostly clear skies. Temperatures are in the upper 70's to low 80's, BP 29.85"F along with minimal air movement from the SE. Current conditions for 9/18-a dense smoke overcast {East Wenatchee and the surrounding mountains are totally obscured from view}, no precipitation in the last 24, the air quality continues to be bad with very little air movement. It is from the North at 0-1 mph, wind gust: out of the NNE to 10 mph, humidity 29%, dew point 41°, current freezing level is near 14,500', observation time temperature 47°, and the barometric pressure 29.89" and falling. |
| 9/19/2012 |
7:03 AM |
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Little change in the weather since yesterday, although the ridge of high pressure strengthened considerably since yesterday over WA, OR, ID, MT, BC, Alberta, and most of Saskatchewan, and is projected to remain over the area through next Friday. As a result, "strengthening high pressure will further enhance valley inversions and prevent smoke from departing the region this week and through at least the weekend". It is further believed that if the fires are not extinguished by the projection date (mentioned above), this smoke will persist. In the meantime, the cold front that yesterday was shown plunging South over the Northern Plains while the Western part of it was tracking SW over SW MT, the Northern panhandle of ID and the NE corner of WA has indeed occurred. Looking ahead to the weekend however, there are indications that another cold front is moving East by SE toward SE AK (and will continue East by SE through the weekend) and by sometime Monday, it is shown tracking SE over SE Vancouver Island toward the coasts of NW WA. Could this be the event that finally brings welcome relief from the smoke? Current conditions for 9/19-very smokey (East Wenatchee and the surrounding mountains are completely obscured from view), no precipitation in the last 24, the air quality is obviously bad with very little air movement. It is from the North at 0 mph, wind gust: out of the NNW to 12 mph, humidity 29%, dew point 43°, current freezing level is near 13,500', [yesterday, it was near 14,500'], observation time temperature 45°, and the barometric pressure 29.90" and falling. |
| 9/20/2012 |
7:05 AM |
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Not much change since yesterday as this morning, dense smoke (currently the sun is just visible) takes on the characteristics of a gloomy autumn day with low clouds and fog, only this "smoke" now has a greenish-yellow hue. A local station stated that today, the high temperatures would reach the low to mid 80's, and the mid to upper 80's tomorrow. I respectfully disagree for two reasons. First, "strengthening high pressure will further enhance valley inversions", and second, "prevent smoke from departing the region". It is therefore believed that if the smoke remains "dense" today and tomorrow, the highs may reach the mid to upper 70's both days. In addition, the air stagnation advisory states "a stagnant weather pattern will promote deterioration of air quality through Thursday". As mentioned above, "strengthening high pressure will further enhance valley inversions and prevent smoke from departing the region this week and through at least the weekend". This poor air quality, or stagnation, is being caused by "a ridge of high pressure in the middle and upper levels of the troposphere which will produce sinking air aloft and light surface winds". Current conditions for 9/20-a very dense smokey overcast, no precipitation in the last 24, the air quality is bad to awful with little to no air movement. It is from the WNW at 2-5 mph, humidity 31%, dew point 40°, current freezing level is near 13,500', observation time temperature 46°, and the barometric pressure 29.95" and rising. |
| 9/21/2012 |
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Even though strong high pressure is firmly in control and is expected to remain over the area for the next several days thus continuing to "further enhance valley inversions and prevent smoke from departing the region this week and through the weekend", believe it or not, "isolated dry thunderstorms are expected to develop along the Cascades, mainly South of Lake Chelan and track North to NW at 15 mph late Friday nigh and into Saturday evening". To add insult to injury, "these thunderstorms are expected to be dry and bring the potential for new fire starts". This could be the result of moister air and a band of clouds containing weak energy moving North by NE over Eastern OR and Southern WA, with the leading edge approaching the central part of the state. Furthermore, there are indications that the upper level low (currently centered off the coasts of WA/OR) will first track NE off NW Vancouver Island by sometime tomorrow before turning SE and arriving over NW OR sometime Sunday. Mid afternoon weather for 9/20-a continuation of very dense smoke (East Wenatchee, and the surrounding mountains are completely obscured from view), temperatures are in the low to mid 70's, BP 29.85"F along with minimal air movement from the South. Current conditions for 9/21-a dense, smokey overcast-though not quite as dense as yesterday-no precipitation in the last 24, the air quality remains bad to awful with little or no air movement. It is from the WNW at 0-3 mph, wind puff: out of the NW to 7 mph, humidity 37%, dew point 44°, current freezing level is near 13,500' observation time temperature was 52°, and the barometric pressure 29.88" and falling. |
| 9/22/2012 |
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Although high pressure remains over the area (WA), "a compact low pressure system will dig through the ridge of high pressure over the region and as it does, has very good potential to spread dry thunderstorms Northward over the Cascades early Saturday morning into Saturday evening". Any wind associated with this system? First of all, "these thunderstorms are expected to form very high in the atmosphere". Therefore, "gusty outflow winds will be possible with any thunderstorm activity and wind gusts generally on the order of 30 mph will be possible". In addition, clouds and energy are moving SW to NE over Western NV and SE OR with another band of clouds and energy tracking SE to NW over Southern (Benton county) to NW WA {where one model shows scattered showers moving North by NW} and SW BC. Looking ahead, there are indications that by sometime Monday, a cold front should be moving East by SE over the Western NW Territories, NE to SW BC and central Vancouver Island, then track SE over WA the following day (Tuesday). Current conditions for 9/22-although the smoke remains "thick", it does not appear to be quite as dense as yesterday, no precipitation in the last 24, the air quality is awful, with little to no air movement. It is from the West at 2-3 mph, wind gust: out of the NNW to 15 mph, humidity 45%, dew point 47°, current freezing level is near 10,500' [yesterday, it was near 13,500'], observation time temperature was 50°, and the barometric pressure 29.80" and falling. |
| 9/23/2012 |
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Although high pressure continues to remain over the area, a cold front is shown moving East by SE over central to South western BC (very near Blaine, WA) and NW WA {Olympic Peninsula} before retreating NW-quite possibly due to low pressure over NE WA-later the same day (Monday) over far Eastern to South western BC and central Vancouver Island. By Tuesday however, it is shown tracking SE over Southern BC, the middle third of WA and NW OR. Could this be the event to help alleviate the smokey conditions? Mid afternoon weather for 9/22-the dense smoke thinned enough overhead (to see scattered clouds) and near the surface to see East Wenatchee, and the outline of Badger Mountain to the East was just barely distinguishable while the rest of the surrounding mountains were completely obscured from view. Temperatures are in the low to mid 70's, BP 29.74"F along with light air movement from the SW. Current conditions for 9/23-the smoke has become more dense since earlier this morning, no precipitation in the last 24, the air quality is awful to hazardous with very little to no air movement. It is from the North at 2-9 mph, wind gust: out of the NNW to 16 mph, humidity 48%, dew point 45°, current freezing level is near 11,000', observation time temperature 50°, and the barometric pressure 29.88" and rising. |
| 9/24/2012 |
7:10 AM |
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Although high pressure continues to remain over the area, it is becoming increasingly apparent that until a system is strong enough to break down this ridge of high pressure or move it East of the region (WA), the dense smoke will remain trapped over this area. However, one model (GFS) shows a "small" trough with its Southernmost boundary extending South of the Queen Charlottes, sliding East by SE over Vancouver Island by sometime tomorrow and then East over far Northern WA (Okanogan county) later the same day, while another model (NAM) shows the same trough moving East by NE over the central interior of BC. Meanwhile, low pressure is shown over NE WA, and a cold front tracking East by SE over far Eastern to SW BC, central Vancouver Island toward the NW coast (Olympic Peninsula) of WA and by sometime tomorrow should be moving East over Southern BC {near the WA border}, Eastern WA, and Northern to Southwestern OR before turning SE over SE WA later that same day (Tuesday). Mid afternoon weather for 9/23-the dense smoke continues. East Wenatchee and the surrounding mountains are totally obscured from view, temperatures are in the low to mid 70's, BP 29.81"R along with light air movement, first from the West, then the South. Current conditions for 9/24-although the smoke has thinned somewhat overhead, East Wenatchee and the surrounding mountains continue to be completely obscured from view. No precipitation in the past 24, the air quality is bad to hazardous with little to no air movement. It is from the East at 0-2 mph, wind puff: also out of the East to 5 mph, humidity 48%, dew point 49°, current freezing level is near 12,500' [yesterday, it was near 11,000'], observation time temperature was 48°, and the barometric pressure 29.86" and rising. |
| 9/25/2012 |
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Yesterday, low pressure was shown over NE WA as well as a cold front tracking East by SE over far Eastern to SW BC, and central Vancouver Island toward the NW coast (Olympic Peninsula) of WA. By sometime tomorrow, it should be moving East over Southern BC (near the WA border), Eastern WA and Northern to Southwestern OR before turning SE over SE WA later the same day. Although it did not result in cooler temperatures this morning, it is believed this passing cold front, and a small trough moving East over Southern BC-just North of the WA border-were responsible for providing a much needed and welcome break from the dense smoke over the area just 24 hours ago! In the meantime, several models (NWS, UW, and SSEC) show a relatively small piece of "energy" quickly sliding NW to SE (down the NE side of some "ridging" over Vancouver Island and the Queen Charlottes) over SE Vancouver Island and Northern Western WA. However, looking ahead to the end of the work week, another cold front is shown tracking SE over NW Alberta, NE {East of Prince George} to SW BC, central Vancouver Island and is projected to continue its SE track over WA and NW OR by sometime Saturday. Current conditions for 9/25-W-O-W! what a dramatic difference from yesterday! Mostly cloudy (scattered Cirrus and Cirrostratus), no precipitation in the last 24, the "haze" is moderate along with nice air movement. It is from the West at 4-5 mph, Wind gust: out of the West to 17 mph, humidity 42%, dew point 44°, current freezing level is near 11,500' [yesterday, it was near 12,500'], observation time temperature was 62°, and the barometric pressure 29.78" and falling. |
| 9/26/2012 |
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"Air quality improved temporarily over many of the Eastern slopes of the Cascades; however, conditions are expected to deteriorate the next several days". However, yesterday's cold front that was moving SE over NW Alberta, NE (East of Prince George) to SW BC and central Vancouver Island, is now projected to track SE over NE to SW BC, central Vancouver Island toward the NW coast of WA by sometime Friday, then continue SE over WA and NW OR the following day. With the passage of a cold front, wind is usually the result, and as such, should have the potential to provide another break from the smokey conditions mentioned above. Mid afternoon weather for 9/25-the much needed and welcome break from the dense smoke of 24 hours ago was respite as smokiness has, since about noon, gradually permeated the sky mainly from the West and SW to the SE and NE. Temperatures are in the low to mid 70's, BP 29.78"F along with light air movement from the NE and West. Current conditions for 9/26-very smokey (although East Wenatchee and the surrounding mountains are just visible), no precipitation in the last 24, and the air quality has deteriorated since yesterday with little to no air movement. It is from the WNW at 2-5 mph, wind gust: out of the NW to 18 mph, humidity 44%, dew point 43°, current freezing level is near 11,500', observation time temperature was 46°, and the barometric pressure 29.89" and rising.
|
| 9/27/2012 |
7:06 AM |
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Although the "air quality improved temporarily" during the morning hours over many of the Eastern slopes of the Cascades yesterday, conditions are expected to deteriorate the next several days as an upper level ridge will remain over the region today and tonight". As a result, "this will strengthen the stagnant air conditions over the area through tonight". In the meantime, a cold front is currently shown tracking SE over the Northwestern side of the Queen Charlottes to SW BC and central Vancouver Island (along with a low pressure over SW BC) by sometime tomorrow. The following day, the low pressure slides South over SE Vancouver Island, the cold front-continuing its SE track-nears the coast of WA and by later the same day is shown tracking SE over WA. Will it be strong enough to provide another reprieve from the smokey conditions cited above? Meanwhile, a ridge of high pressure over the region, should begin to breakdown somewhat and shift East sometime tomorrow, though continue to remain influential through Saturday. Therefore, it appears a race is on between the arrival of the cold front and the departure of high pressure just mentioned! Mid afternoon weather for 9/26-once again, thick smoke has gradually permeated the sky from West to East, with less intense smoke from the SW to the SE. Temperatures are in the low to mid 70's, BP 29.18"R along with light air movement first from the North, then from the NW. Current conditions for 9/27-although the sky is clear, East Wenatchee and most of the surrounding mountains are obscured from view, no precipitation in the last 24, the air quality is, once again, bad to hazardous with little to no air movement. It is from the North at 0-3 mph, wind puff: out of the NNW to 9 mph, humidity 41%, dew point 42°, current freezing level is near 13,500' [yesterday, it was near 11,500'], observation time temperature was 46°, and the barometric pressure 29.90" and rising. |
| 9/28/2012 |
7:06 AM |
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Yesterday, the cold front that was shown tracking SE over the North western side of the Queen Charlottes to SW BC and central Vancouver Island, is now shown moving SE over North central to Southwestern BC and North west Vancouver Island. The following day, this cold front, having continued its SE track, over SW BC, the SE tip of Vancouver Island and NW WA (Olympic Peninsula) is now shown tracking SE over Eastern to Southern WA and Northern (The Dalles area) to SW OR. So, at this point, it does not appear that it will be strong enough to provide a respite from the smokey conditions as "high pressure and light winds continue to push the smoke and haze to the surface. Expect moderate to poor air quality to continue in the region". However, there are indications that a weather pattern change is forthcoming near mid week as a cold front with cool Canadian air behind it is shown plunging South over the Northern Plains with the Western side tracking SW over SE to NW WY, SW MT, the central panhandle of ID, Eastern to NW WA, and SW BC which should result in more fall like conditions and cooler temperatures. In the meantime, this area is socked in by very dense smoke with little to no air movement. Current conditions for 9/28-socked in by very dense smoke (East Wenatchee and the surrounding mountains are completely obscured from view), no precipitation in the last 24, the air quality is bad with little to no air movement. It is from the WNW at 0 mph, wind gust: out of the NW to 14 mph, humidity 42%, dew point 43°, current freezing level is near 11,500' [yesterday, it was near 13,500'], observation time temperature was 46°, and the barometric pressure 29.80" and falling. |
| 9/29/2012 |
7:11 AM |
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The ridge of high pressure over the area the past several days, has indeed shifted East and flattened somewhat in the process, and by sometime tomorrow (Sunday) another ridge of high pressure should begin to build over the area but will be short lived as the flow pattern will become zonal over BC, Alberta, and WA. In the meantime, clouds and energy are moving East over the Queen Charlottes, central and SW BC, Vancouver Island, and Western WA with some of the energy extending South over central WA along with some drier air moving West to East over SE BC, Eastern WA, the Northern panhandle of ID and NW MT. Meanwhile, there are indications of a major change in the weather pattern on or near mid week, as fall is finally "expected" to arrive. "The big weather changes include: much cooler temperatures, gusty North to NE winds, less smoke and haze, and mountain rain or snow showers". Mid afternoon weather for 9/28-although the smoke appears to be more dense than earlier this morning, it did thin enough (for a brief period) to observe the sun, and scattered clouds {looked to be Altocumulus}. Temperatures are in the upper 60's to low 70's, BP 29.71"F along with light air movement from the SE. Current conditions for 9/29-much improved since yesterday with mostly cloudy skies (scattered Cirrus and Cirrostratus), no precipitation in the last 24, the smoke/haze is moderate with some nice air movement. It is from the North at 0-1 mph (although it has picked up since earlier this morning), wind gust: out of the NNW to 11 mph, humidity 49%, dew point 49°, current freezing level is near 11,000', observation time temperature was 52°, and the barometric pressure 29.82" and falling. |
| 9/30/2012 |
7:14 AM |
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With the high pressure ridge, of the past several days, well East of the area (WA), the upper level wind pattern appears to be in a slight SW flow over Northern BC and Alberta but resembles more of a zonal flow over Southern BC and Alberta. Later today however, high pressure should begin to build over the area (WA) and remain through tomorrow as a "trough" moves over the area the following day (Tuesday) while at the same time high pressure over the Gulf will move far enough East to affect WA, flatten somewhat in the process before "rebuilding" to become even stronger near mid week and is projected to remain over the area through most of the second week of October. Meanwhile, the indications of a major change in the "weather" should be realized near mid week as "a major cool down is in store as we progress through next week. Temperatures will drop from the 70's and 80's to the 50's and 60's as a result of a strong cold front passage Monday night through Tuesday will bring the likelihood for strong Northerly winds with the possibility of 50 mph gusts (which would usher in the possibility of less smoke and haze, and mountain rain or snow showers), then rise back to seasonal averages toward the end of the week". Current conditions for 9/30-the sky is clear (although smoke is in the air, with the denser smoke to the SW), no precipitation in the past 24, the air quality is bad with very little air movement. It is from the West at 0-1 mph, wind gust: out of the WNW to 18 mph, humidity 35%, dew point 38°, current freezing level is near 13,000' [yesterday, it was near 11,000'], observation time temperature was 50°, and the barometric pressure 30.03" and rising. |