Weather Alert in Pennsylvania
Wind Advisory issued February 6 at 2:03AM EST until February 7 at 10:00PM EST by NWS State College PA
AREAS AFFECTED: Southern Centre
DESCRIPTION: * WHAT...For the Extreme Cold Warning, dangerously cold wind chills as low as 25 below expected. For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Southern Centre County. * WHEN...For the Extreme Cold Warning, from 1 AM Saturday to 10 AM EST Sunday. For the Wind Advisory, from midnight tonight to 10 PM EST Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. The dangerously cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes.
INSTRUCTION: Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. Persons are urged to stay indoors until conditions improve. If you must go outside, dress in layers. Cover exposed skin to reduce your risk of frostbite or hypothermia. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly.
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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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