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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.
Tuesday, May 21, 2013
5:15 AM
Conditions at 5:15 AM

Weather: Fog

Temperature: 47°F

Wind: W 36 mph

Visibility: 50 feet

Relative Humidity: 100%

Station Pressure: 23.86" falling

Ground Conditions: Wet rocks w/ trail run-off

24 Hour Statistics

Maximum Temperature: 48°F

Minimum Temperature: 36°F

Peak Wind Gust: NW 71 mph

Average Wind Speed: 35.6 mph

Liquid Precipitation: 1.53"

Snowfall: 0.0"

Almanac Data

Record High: 60°F (1941)

Record Low: 11°F (1936)

Average Daily Temperature: 38°F

Average Monthly Melted Precipitation: 8.21

Average Monthly Snowfall: 12.50

Total Snowfall So Far This Month: 0.9"

Average Monthly Winds: 28.3

Sunrise: 5:06

Sunset: 8:17

Forecast Discussion

A disturbance will ride along a stalled out front later today and through tonight, while the front manages to push northward tomorrow. The continued presence of the front today will keep the summits firmly in the fog, with showers and thunderstorms passing through this morning, and gradually tapering off through the day. Temperatures will rise to near the 50 degree mark, and be hard pressed to fall much overnight as the front remains just south of the region. A shortwave disturbance will swing through tonight, setting off more showers and perhaps a rumble of thunder, while winds ramp up out of the west. The front will push northward tomorrow as a warm front, sending the mercury soaring well into the 50s. Daytime heating, combined with the instability of the front and plentiful moisture in place, will allow for the development of afternoon showers and thunderstorms, some of which could reach strong to severe limits.

Mike Carmon
Observer
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