Weather Alert in Pennsylvania
Extreme Cold Watch issued February 5 at 2:02AM EST until February 7 at 12:00PM EST by NWS State College PA
AREAS AFFECTED: Warren; McKean; Potter; Elk; Cameron; Northern Clinton; Clearfield; Northern Centre; Cambria; Blair; Somerset; Bedford; Tioga; Northern Lycoming; Sullivan
DESCRIPTION: * WHAT...Dangerously cold wind chills of 20 to 30 below zero possible. * WHERE...A portion of central Pennsylvania. * WHEN...From late Friday night through Saturday morning. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...It will remain cold and blustery into Sunday morning, but Saturday morning will be the coldest period.
INSTRUCTION: People are urged to stay indoors until conditions improve. If you must go outside, dress in layers. Several layers of clothes will keep you warmer than a single heavy coat. Cover exposed skin to reduce your risk of frostbite or hypothermia. Gloves, a scarf, and a hat will keep you from losing your body heat.
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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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