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W1GMF > WX 30.01.08 23:01l 60 Lines 2526 Bytes #999 (0) @ WW
BID : 013001-WX
Read: GUEST
Subj: Today's Weather atop Mount Washington 0130
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Sent: 080130/1429Z @:W1GMF.#EMA.MA.USA.NOAM #:16396 [ABINGTON, MA] FBB7.00e
From: W1GMF@W1GMF.#EMA.MA.USA.NOAM
To : WX@NEBBS
Mountain weather is subject to rapid changes and extreme conditions. Always be prepared to make your own assessment of travel and weather conditions. This outlook is one tool to help you plan a safe trip. Always travel with adequate clothing, shelter, food, and water.
Wednesday, January 30, 2008
4:09 AM
Wind chill advisory in effect midnight tonight through noon tomorrow.
Conditions at 4:09 AM
Weather: light freezing rain and freezi
Temperature: 22°F
Wind: S 49 mph
Visibility: 150 feet
Relative Humidity: 100%
Station Pressue: 23.35" and falling
Ground Conditions: covered in 3 inches of ice, rime, and snow, with d
24 Hour Statistics
Maximum Temperature: 34°F
Minimum Temperature: 25°F
Peak Wind Gust: S 43 mph
Average Wind Speed: 21.9 mph
Liquid Precipitation: T
Snowfall: T
Almanac Data
Record High: 38°F (1947)
Record Low: -44°F (1948)
Average Daily Temperature: 5°F
Average Monthly Melted Precipitation: 8.52
Average Monthly Snowfall: 52.80
Total Snowfall So Far This Month: 20.5"
Average Monthly Winds: 46.4
Sunrise: 07:00
Sunset: 4:57
Forecast Discussion
A warm frontal passage has temperatures warming on the summit, and yesterday, the daily record high of 34 degrees F, set in 1950, was tied. A cold front, spanning the length of the country, will sweep across the state today With warmer air aloft, and temperatures at the summit below freezing, precipitation falling will start as freezing rain and drizzle, and as the cold front passes, change over to snow. The bulk of the precipitation will occur through today, with lingering snow showers tapering off overnight. Winds will shift from the S to the W today, and an icy blast of air will ride in on the westerly winds and temperatures will drop into the single digits below zero on the summits overnight. High pressure will quickly build, clearing the summits and the skies above. The pressure gradient will tighten, and winds will be strong and gusty through today and into tomorrow morning. With temperatures plunging into sub zero range, and winds in the 60-80 mph range, wind chills will be dangerously low, causing a wind chill advisory to be in effect for the higher summits at midnight tonight through noon tomorrow. Tomorrow, winds will relax as high pressure begins to crest overhead the region, and temperatures will moderate. This will improve wind chill values. Freezing fog, strong winds, and new snow will limit visibility above tree line.
Stacey Kawecki
Meteorologist
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