Weather Alert in Pennsylvania
Winter Weather Advisory issued February 22 at 2:04AM EST until February 24 at 7:00AM EST by NWS Cleveland OH
AREAS AFFECTED: Crawford
DESCRIPTION: * WHAT...Lake effect snow expected. Total snow accumulations between 2 and 5 inches. * WHERE...Crawford County. * WHEN...From 10 PM this evening to 7 AM EST Tuesday. * IMPACTS...Plan on slippery road conditions with slower travel likely. The hazardous conditions could impact the Monday morning and evening commutes. * ADDITIONAL DETAILS...Widespread light snow is expected today, although impacts will be minimal. Lake enhanced snow will develop this evening with periods of moderate to heavy snowfall possible late tonight and Monday.
INSTRUCTION: Slow down and use caution while traveling. The Pennsylvania Department of Transportation and Pennsylvania Turnpike Commission strongly encourage motorists to heed all travel restrictions and delay unnecessary travel. Visit www.511pa.com for the latest travel, roadway, and traffic conditions.
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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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