White Mountain Region Forecast

Saturday, November 7, 2009

Valley Forecast:

Temperature

Wind

Today

Mostly sunny early then increasingly cloudy.

upper 40s°F

W shifting S around 10 mph

Tonight

Mostly cloudy then clearing.

mid 30s°F

Variable and light becoming SW around 10 mph

Extended Outlook:

Highs

Lows

Tomorrow

Sunny.

mid 50s°F

mid 20s°F

Monday

Mostly sunny becoming cloudy w/ a chance of rain showers.

upper 50s°F

upper 30s°F

Tuesday

Mostly cloudy w/ a chance of rain showers.

lower 50s°F

mid 30s°F

Wednesday

Partly cloudy.

mid 40s°F

upper 20s°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

In the clear under increasingly cloudy skies.

Mostly in the clear under mostly cloudy skies w/ a slight chance of mixed showers.

Mostly in the clear under mostly sunny skies.

Highs:

lower 30s; wind chills 0-10 below early then rising°F

Lows:

mid 30s early falling to upper 20s; wind chills 5-15 above°F

Highs:

mid 30s; wind chills 10-20 above°F

Wind:

NW shifting W 25-40 mph early, 15-30 mph midday, 35-50 mph later w /gusts

Wind:

W shifting NW 35-50 mph increasing to 50-70 mph w/ gusts

Wind:

NW 50-70 mph decreasing to 40-55 mph w/ gusts likely

Air Quality Forecast: Good levels

Summit Data:

Auto Road Vertical Temperature Profile at

6288'

4:47 AM Summit Conditions

Yesterday

Almanac for Saturday, November 7, 2009

26.4°F

Weather:

Partly cloudy

Max. Temperature:

16°F

Record High:

50°F

set in

1938

5300'

Min. Temperature:

9°F

Record Low:

-6°F

set in

2002

29.4°F

Temperature:

16°F

Peak Gust:

W 62 mph

Average Daily Temperature:

24°F

4300'

Wind:

NW 33 mph

Average Wind Speed:

33.5 mph

Average Monthly Temperature:

20.6°F

35.5°F

Wind Chill:

-5.0°F

Liquid Precipitation:

0.05"

Average Monthly Precipitation:

10.49

3300'

Relative Humidity:

30%

Average Monthly Snowfall:

40.80

Visibility:

65 miles

Monthly Total Liquid Precip:

0.59"

Average Monthly Winds Speed:

40.5

2300'

Barometric Pressure:

23.74" rising

Snowfall:

0.8"

Sunrise:

06:24 A.M.

Sunset:

4:33 P.M.

33.4°F

Ground Conditions:

2" snow/ice/rime w/ deeper drifts

Monthly Total Snowfall:

4.9"

Length of Day:

10 hours 9 minutes

1600'

Special Phenomena:

39.6°F

 

 

Days with Fog this Month:

5

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