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W1GMF > WX 29.02.08 13:00l 60 Lines 2508 Bytes #999 (0) @ WW
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Subj: MT WASHINGTON 0228
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Sent: 080228/1041Z @:W1GMF.#EMA.MA.USA.NOAM #:23481 [ABINGTON, MA] FBB7.00e
From: W1GMF@W1GMF.#EMA.MA.USA.NOAM
To : WX@NEBBS
MT WASHINGTON WEATHER CONDITIONS
Thursday, February 28, 2008
5:25 AM
Wind Chill Advisory in effect today through tomorrow...
Conditions at 5:25 AM
Weather: Fog, blowing snow
Temperature: -1°F
Wind: NW 27 mph
Visibility: 1/4 of a mile
Relative Humidity: 100%
Station Pressue: 23.14" rising
Ground Conditions: 16" of snow/ice/rime w/ deeper drifts
24 Hour Statistics
Maximum Temperature: 23°F
Minimum Temperature: -1°F
Peak Wind Gust: N 38 mph
Average Wind Speed: 12.0 mph
Liquid Precipitation: 0.15"
Snowfall: 2.6"
Almanac Data
Record High: 41°F (1954)
Record Low: -23°F (1938)
Average Daily Temperature: 9°F
Average Monthly Melted Precipitation: 7.33
Average Monthly Snowfall: 42.40
Total Snowfall So Far This Month: 46.9"
Average Monthly Winds: 43.0
Sunrise: 06:18
Sunset: 5:38
Forecast Discussion
A trough of low pressure at the mid and upper levels continues to linger across the northeast this morning continuing spotty snow visible on Doppler radar despite the end of them on the summit. As the day progresses, the trough will lift north towards the Canadian Maritimes and high pressure will build in from the west. This will bring drier air in allowing for a trend towards clearing as moisture fed fog is cut off. This will allow for sunshine in the afternoon but despite the sun, cold air brought in from the backside of the departing trough will allow temperatures to fall through the day into the night. Overnight, temperatures bottom out as the high crests overhead. Tomorrow will start as clear as the high begins to slide off shore and a low from the west approaches. Clouds will be increasing from this low and will continue through the day starting as high clouds then lowering. Temperatures will begin to slowly trend up tomorrow on the backside of the high as the flow becomes more southwesterly. Winds through the period will remain fairly stagnant as the pressure gradient remains fairly uniform, almost isobaric. Although winds will remain relatively low, with all the snow left up here from the past 48 hours will be whipped up generating ground blizzards at times and making some cold wind chill values. Wind chills will be 25-35 below falling to 35-45 below by this afternoon and continuing to fall to 40-50 below overnight before slowly rebounding to 30-40 below by tomorrow afternoon. As a result, a wind chill advisory will remain in effect from this morning through tomorrow.
Ryan Knapp
Staff Meteorologist
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