White Mountain Region Forecast

Sunday, April 20, 2014

Valley Forecast:

Temperature

Wind

Today

Mostly sunny.

Upper 50s°F

Light/variable becoming S around 10 mph

Tonight

Partly cloudy.

Upper 20s°F

S around 10 mph becoming light/variable

Extended Outlook:

Highs

Lows

Tomorrow

Partly sunny.

Lower 60s°F

Lower 40s°F

Tuesday

Increasingly cloudy w/ rain showers, mainly in the afternoon.

Lower 60s°F

Around 40°F

Wednesday

Mostly cloudy.

Around 50°F

Lower 30s°F

Thursday

Partly cloudy.

Lower 50s°F

Lower 30s°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 mostly sunny skies. Wind chills rising to 15-25 above.

In the clear under increasingly cloudy skies. Wind chills 10-20 above.

In the clear under mostly cloudy skies w/ a slight chance of afternoon rain showers. Wind chills rising to 20-30 above.

Highs:

Mid 30s°F

Lows:

Upper 20s°F

Highs:

Around 40°F

Wind:

N shifting W 5-20mph, increasing to 15-30mph; possibly light/variable early

Wind:

W 20-35 mph, increasing to 25-40 mph w/ higher gusts late

Wind:

W 30-45 mph w/ higher gusts

Air Quality Forecast: Good levels

Summit Data:

Auto Road Vertical Temperature Profile at

6288'

5:01 AM Summit Conditions

Yesterday

Almanac for Sunday, April 20, 2014

30.3°F

Weather:

Mostly clear

Max. Temperature:

23°F

Record High:

60°F

set in

1941

5300'

Min. Temperature:

11°F

Record Low:

4°F

set in

1981

Temperature:

17°F

Peak Gust:

NW 78 mph

Average Daily Temperature:

24°F

4300'

Wind:

N 18 mph

Average Wind Speed:

47.9 mph

Average Monthly Temperature:

22.9°F

39.9°F

Wind Chill:

1.0°F

Liquid Precipitation:

0.09"

Average Monthly Precipitation:

8.43

3300'

Relative Humidity:

26%

Average Monthly Snowfall:

42.70

38.7°F

Visibility:

120 miles

Monthly Total Liquid Precip:

4.95"

Average Monthly Winds Speed:

34.8

2300'

Barometric Pressure:

23.96" rising

Snowfall:

0.8"

Sunrise:

5:48 A.M.

Sunset:

7:41 P.M.

36.8°F

Ground Conditions:

2" snow/ice/rime w/ deeper patches

Monthly Total Snowfall:

14.6"

Length of Day:

13 hours 53 minutes

1600'

Special Phenomena:

42.5°F

 

 

Days with Fog this Month:

15

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