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White Mountain Region Forecast Thursday, November 20, 2008 |
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Valley Forecast: |
Temperature |
Wind |
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Today |
Partly sunny. |
around 30°F |
NW around 10 mph |
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Tonight |
Mostly cloudy becoming partly cloudy. |
around 10°F |
Variable and light |
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Extended Outlook: |
Highs |
Lows |
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Tomorrow |
Increasingly cloudy. |
around 30°F |
around 10°F |
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Saturday |
Partly sunny trending towards clearing. |
upper 20s°F |
around 15°F |
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Sunday |
Sunny. Increasingly cloudy overnight. |
lower 30s°F |
upper teens°F |
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Monday |
Cloudy w/ a chance of snow showers. |
mid 30s°F |
mid 20s°F |
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Summits Outlook: Wind Chill Advisory...30-50 below zero today through tomorrow...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. |
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Today |
Tonight |
Tomorrow |
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Mostly in the clouds under mostly cloudy skies. Wind chills 30-40 below. |
Mostly in the clouds under mostly cloudy skies w/ a slight chance of snow showers. Wind chills 40-50 below. |
In the clouds w/ a slight chance of snow showers. Wind chills 30-40 below. |
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Highs: |
struggle to rise to around 0°F |
Lows: |
around 10 below°F |
Highs: |
struggle to rise to around 0°F |
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Wind: |
NW 35-50 mph increasing to 45-60 mph w/ higher gusts |
Wind: |
NW 35-50 mph w/ higher gusts |
Wind: |
WNW 35-50 mph decreasing to 30-45 mph w/ higher gusts |
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Air Quality Forecast: Good levels |
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Summit Data: |
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6288' |
5:15 AM Summit Conditions |
Yesterday |
Almanac for Thursday, November 20, 2008 |
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-4.1°F |
Weather: |
Freezing fog and mostly cloudy |
Max. Temperature: |
7°F |
Record High: |
47°F |
set in |
1985 |
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5300' |
Min. Temperature: |
-7°F |
Record Low: |
-7°F |
set in |
1951, 1952 |
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Temperature: |
-6°F |
Peak Gust: |
N 44 mph |
Average Daily Temperature: |
19°F |
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4300' |
Wind: |
NW 36 mph |
Average Wind Speed: |
21.9 mph |
Average Monthly Temperature: |
20.6°F |
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Wind Chill: |
-36.0°F |
Liquid Precipitation: |
0.01" |
Average Monthly Precipitation: |
10.49 |
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3300' |
Relative Humidity: |
100% |
Average Monthly Snowfall: |
40.80 |
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Visibility: |
1/8 of a mile |
Monthly Total Liquid Precip: |
5.07" |
Average Monthly Winds Speed: |
40.5 |
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2300' |
Barometric Pressure: |
23.21" falling |
Snowfall: |
0.4" |
Sunrise: |
06:41 A.M. |
Sunset: |
4:20 P.M. |
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Ground Conditions: |
6" snow/ice/rime w/ deeper drifts |
Monthly Total Snowfall: |
15.8" |
Length of Day: |
9 hours 39 minutes |
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1600' |
Special Phenomena: |
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18.5°F |
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Days with Fog this Month: |
19 |
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The Mount Washington Observatory is a private, non-profit organization supported by the generosity of its members. Its mission is to advance understanding of the natural forces that create the Earth's weather and climate. |
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www.mountwashington.org |
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