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 is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
Weather Topic: What are Stratus Clouds?
Home - Education - Cloud Types - Stratus Clouds
Next Topic: Wall Clouds
Stratus clouds are similar to altostratus clouds, but form at a
lower altitude and are identified by their fog-like appearance, lacking the
distinguishing features of most clouds.
Stratus clouds are wider than most clouds, and their base has a smooth, uniform
look which is lighter in color than a nimbostratus cloud.
The presence of a stratus cloud indicates the possibility of minor precipitation,
such as drizzle, but heavier precipitation does not typically arrive in the form
of a stratus cloud.
Next Topic: Wall Clouds
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