Weather Alert in Pennsylvania
Winter Weather Advisory issued February 5 at 12:41PM EST until February 7 at 7:00AM EST by NWS State College PA
AREAS AFFECTED: Cambria; Somerset
DESCRIPTION: * WHAT...Snow expected. Total snow accumulations between 2 and 4 inches. Localized amounts up to 8 inches in the highest elevations. Winds gusting as high as 45 to 50 mph. * WHERE...Cambria and Somerset Counties. * WHEN...From 10 AM Friday to 7 AM EST Saturday. The heaviest snow is expected Friday afternoon through Friday night. * IMPACTS...Plan on slippery road conditions. The hazardous travel conditions could impact the Friday evening commute. Gusty winds could bring down tree branches and cause significant blowing and drifting snow. * ADDITIONAL DETAILS...Near-blizzard conditions with very low visibility are possible at times late Friday night into early Saturday morning and could make travel extremely difficult. The heaviest snowfall is expected along and to the west of Route 219.
INSTRUCTION: Persons should delay travel if possible. If travel is absolutely necessary, drive with extreme caution and be prepared for sudden changes in visibility. Make sure your vehicle is winterized and in good working order.
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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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