Today's Weather atop Mount Washington

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.
Friday, March 19, 2010
5:17 AM
Conditions at 5:17 AM

Weather: Partly Cloudy

Temperature: 26°F

Wind: W 15 mph

Visibility: 60 miles

Relative Humidity: 93%

Station Pressue: 23.53" rising

Ground Conditions: 28" snow/ice/rime w/ deeper drifts

24 Hour Statistics

Maximum Temperature: 28°F

Minimum Temperature: 20°F

Peak Wind Gust: NW 64 mph

Average Wind Speed: 40.9 mph

Liquid Precipitation: 0.00"

Snowfall: 0.0"

Almanac Data

Record High: 38°F (1968)

Record Low: -28°F (1944)

Average Daily Temperature: 14°F

Average Monthly Melted Precipitation: 9.42

Average Monthly Snowfall: 54.10

Total Snowfall So Far This Month: 26.1"

Average Monthly Winds: 40.4

Sunrise: 6:45

Sunset: 7:02

Forecast Discussion

The next 36 hours will be a transition period between an exiting cold front and another approaching cold front presently over the Great Plains. The departure of the first front will permit gradual clearing during the day today, with fog followed by overhead clouds thinning out as the afternoon progresses. Once the sun breaks through these obstructions, temperatures will respond by soaring above the freezing mark. This will allow for a fairly significant period of melting today. Little cooling is expected during the night as overhead clouds return, keeping overnight low temperatures extremely mild for mid-March. However, temps will at the very least dip below freezing, causing all of the day's melt to refreeze over top of the remaining snow pack. Overcast skies will linger tomorrow ahead of a more potent cold front with its sights set on New England. As the instability of the front enters the picture, clouds will descend towards the summits as fog. However, with most of the impressive dynamics of this system held up north of the region, little to no precipitation is expected with this frontal passage. Any precipitation that does fall will be light and showery in nature, and will most likely consist of a wintry mix of ice pellets and snow.

Mike Carmon
Observer
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