Weather Alert in Kentucky
Winter Weather Advisory issued February 21 at 11:11PM EST until February 23 at 6:00PM EST by NWS Jackson KY
AREAS AFFECTED: Harlan; Floyd; Knott; Perry; Letcher; Martin; Pike
DESCRIPTION: * WHAT...Rounds of snow showers are expected, resulting in event total snow accumulations of 1 to 2 inches for most locations, with locally higher amounts possible. Accumulations up to 5 inches are possible above 3000 feet elevation. * WHERE...Portions of northeast and southeast Kentucky. * WHEN...From 11 AM Sunday to 6 PM EST Monday. * IMPACTS...Plan on slippery road conditions and significant differences in road conditions at times. The hazardous conditions could impact the Monday morning and evening commutes. * ADDITIONAL DETAILS...Wind gusts as high as 20 to 30 mph in the heavier snow showers, combined with the falling snow may cause sudden visibility reductions, mainly during the daytime hours Sunday and Monday.
INSTRUCTION: Slow down and use caution while traveling. The latest road conditions for Kentucky can be found by visiting https://goky.ky.gov.
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Weather Topic: What are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
Next Topic: Sleet
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
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