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.
Monday, March 15, 2010
5:07 AM
Conditions at 5:07 AM

Weather: Fog, light snow, blowing snow

Temperature: 22°F

Wind: E 63 mph

Visibility: 75 feet

Relative Humidity: 100%

Station Pressue: 23.50" falling slowly

Ground Conditions: 27" snow/ice/rime w/ deeper drifts

24 Hour Statistics

Maximum Temperature: 26°F

Minimum Temperature: 19°F

Peak Wind Gust: E 94 mph

Average Wind Speed: 68.3 mph

Liquid Precipitation: 2.61"

Snowfall: 7.2"

Almanac Data

Record High: 48°F (1990)

Record Low: -25°F (1993)

Average Daily Temperature: 13°F

Average Monthly Melted Precipitation: 9.42

Average Monthly Snowfall: 54.10

Total Snowfall So Far This Month: 15.7"

Average Monthly Winds: 40.4

Sunrise: 6:52

Sunset: 6:57

Forecast Discussion

Low pressure will continue to pull away from the coast as high pressure builds in from the northwest. The low will continue to stream an easterly flow of Atlantic moisture in this morning that will translate to steady snow along with dense fog. As the low shifts more offshore, this line of precipitation will begin to slide south allowing snow to taper to showers before ending all together this evening. Winds will be at their highest this morning when the gradient between the low and high will be the strongest. But as the high approaches, winds will decrease and begin to shift counterclockwise to the northwest into Monday. Blowing snow will persist through the forecast period even though winds will decrease as the shifting winds shift the newly formed snow packs. Fog will also limit visibilities as it will continue to be dense from the ample moisture stream this morning but as drier northern air moves down, fog will dissipate overnight and clouds above will fade out as well leaving a sunny day for Monday. As far as expected snow amounts, today will see 3-5 inches with a trace to an inch more expected overnight.

Ryan Knapp
Staff Meteorologist
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