Weather Alert in Alaska
Special Weather Statement issued February 11 at 2:31PM AKST by NWS Fairbanks AK
AREAS AFFECTED: South Slopes Of The Eastern Brooks Range; South Slopes Of The Central Brooks Range; Upper Koyukuk Valley; Dalton Highway Summits; Yukon Flats; White Mountains and High Terrain South of the Yukon River; Fortymile Country; Upper Tanana Valley; Delta Junction; Upper Chena River Valley; Tanana Flats; Eielson AFB and Salcha; Goldstream Valley and Nenana Hills; Chatanika River Valley; Two Rivers; Fairbanks Metro Area; Nenana; Central Interior; Northern Denali Borough; Eastern Alaska Range North of Trims Camp
DESCRIPTION: A warm and moist low pressure system out in the northern Bering Sea makes its way into Western Alaska beginning late Friday night into Saturday. This storm is expected to bring widespread snowfall to much of the West Coast and Interior through Saturday evening. High end snowfall is expected to be between 4" to 8", with low end snowfall amounts between 2" to 5". Locally higher snowfall amounts are possible in areas where the heaviest snow bands set up. Exact snowfall location and amounts are still uncertain for right now, but we will continue to update over the next couple of days.
INSTRUCTION: N/A
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Weather Topic: What are Altostratus Clouds?
Home - Education - Cloud Types - Altostratus Clouds
Next Topic: Cirrocumulus Clouds
Altostratus clouds form at mid to high-level altitudes
(between 2 and 7 km) and are created by a warm, stable air mass which causes
water vapor
to condense as it rise through the atmosphere. Usually altostratus clouds are
featureless sheets characterized by a uniform color.
In some cases, wind punching through the cloud formation may give it a waved
appearance, called altostratus undulatus. Altostratus clouds
are commonly seen with other cloud formations accompanying them.
Next Topic: Cirrocumulus Clouds
Weather Topic: What are Cirrostratus Clouds?
Home - Education - Cloud Types - Cirrostratus Clouds
Next Topic: Cirrus Clouds
Cirrostratus clouds are high, thin clouds that form above
20,000 feet and are made mostly of ice crystals. They sometimes look like giant
feathers, horse tails, or curls of hair in the sky.
These clouds are pushed by the jet stream and can move at high speeds reaching
100 mph.
What do they indicate?
They indicate that a precipitation is likely within 24 hours.
Next Topic: Cirrus Clouds
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