Weather Alert in Illinois
Winter Weather Advisory issued March 15 at 11:24PM CDT until March 16 at 1:00PM CDT by NWS Chicago IL
AREAS AFFECTED: Lake; Kane; DuPage; La Salle; Kendall; Northern Cook
DESCRIPTION: * WHAT...Snow and blowing snow expected. Total snow accumulations between 2 and 5 inches, highest across northwestern portions of the advisory area. Ice accumulations up to a light glaze. Winds gusting as high as 45 mph. * WHERE...La Salle, DuPage, Kane, Kendall, Lake IL, and Northern Cook Counties. * WHEN...Until 1 PM CDT Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Plan on slippery road conditions. Blowing snow will cause sharply reduced visibilities, particularly in open areas. The hazardous conditions will impact the Monday morning commute. Gusty winds could bring down tree branches.
INSTRUCTION: Slow down and use caution while traveling. The latest road conditions for Illinois can be obtained at www.gettingaroundillinois.com. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury.
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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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