Weather Alert in Alaska
Wind Advisory issued February 19 at 10:22AM AKST until February 20 at 6:00PM AKST by NWS Anchorage AK
AREAS AFFECTED: Southern Kenai Mtns; West Prince William Sound & Whittier
DESCRIPTION: * WHAT...North to west winds 30 to 45 mph with gusts up to 60 mph expected. A few isolated gusts to 70 mph are possible tonight through early Friday morning. Wind chill readings dropping to zero to 15 below zero by Friday morning. * WHERE...Seward (and vicinity) and Whittier. * WHEN...Until 6 PM AKST Friday. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. The very cold wind chills as low as 15 below zero could result in hypothermia or frostbite if precautions are not taken. * ADDITIONAL DETAILS...Winds will strengthen through the day today and peak Thursday night through Friday morning. Winds will then very gradually diminish through Saturday. The coldest wind chill temperatures will be Friday morning through Saturday morning.
INSTRUCTION: Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
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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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