White Mountain Region Forecast

Tuesday, February 9, 2010

Valley Forecast:

Temperature

Wind

Today

Partly sunny.

Lower 30s°F

NW 10 mph

Tonight

Increasingly cloudy.

Mid 10s°F

Light/variable

Extended Outlook:

Highs

Lows

Tomorrow

Mostly cloudy w/ a chance of afternoon snow.

Around 30°F

Upper 10s°F

Thursday

Partly sunny.

Upper 20s°F

Mid 10s°F

Friday

Mostly cloudy.

Upper 20s°F

Mid 10s°F

Saturday

Partly cloudy.

Upper 20s°F

Lower 10s°F

Summits Outlook: 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.

Today

Tonight

Tomorrow

Becoming in the clear under partly sunny skies. Wind chills 5 above - 5 below.

In the clear under increasingly cloudy skies. Wind chills 0-10 above.

In the clear under mostly cloudy skies w/ a slight chance of light snow. Wind chills 5 above - 5 below.

Highs:

Around 20°F

Lows:

Upper 10s°F

Highs:

Around 20°F

Wind:

N shifting NW 25-40 mph decreasing to 10-25 mph

Wind:

NW 5-20 mph, becoming light/variable

Wind:

E 15-30 mph increasing to 20-35 mph

Air Quality Forecast: Good levels

Summit Data:

Auto Road Vertical Temperature Profile at

6288'

4:35 AM Summit Conditions

Yesterday

Almanac for Tuesday, February 9, 2010

15.6°F

Weather:

Freezing Fog

Max. Temperature:

8°F

Record High:

42°F

set in

1937

5300'

Min. Temperature:

-7°F

Record Low:

-37°F

set in

1934

Temperature:

13°F

Peak Gust:

NW 62 mph

Average Daily Temperature:

5°F

4300'

Wind:

N 23 mph

Average Wind Speed:

42.3 mph

Average Monthly Temperature:

6.6°F

Wind Chill:

-6.0°F

Liquid Precipitation:

0.17"

Average Monthly Precipitation:

7.33

3300'

Relative Humidity:

100%

Average Monthly Snowfall:

42.40

Visibility:

1/16 mile

Monthly Total Liquid Precip:

0.46"

Average Monthly Winds Speed:

43.0

2300'

Barometric Pressure:

23.40" rising

Snowfall:

1.0"

Sunrise:

06:48 A.M.

Sunset:

5:11 P.M.

Ground Conditions:

16" of snow/ice/rime w/ deeper drifts

Monthly Total Snowfall:

5.5"

Length of Day:

10 hours 23 minutes

1600'

Special Phenomena:

17.7°F

 

 

Days with Fog this Month:

7

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.

www.mountwashington.org