Weather Alert in Kentucky
Special Weather Statement issued February 22 at 4:10AM EST by NWS Jackson KY
AREAS AFFECTED: Fleming; Montgomery; Bath; Rowan; Estill; Powell; Menifee; Jackson; Knox; Elliott; Morgan; Johnson; Wolfe; Magoffin; Lee; Breathitt; Owsley; Clay
DESCRIPTION: Light snow accumulations are expected at times from this afternoon through Monday afternoon from rounds of snow showers. Wind gusts as high as 30 mph could occur in the heavier snow showers. This, when combined with the falling snow, may produce sudden sharp visibility reductions and quick light snow accumulations, especially during the daytime hours today and Monday. Event total snow accumulations of one-half to around 1 inch are expected, with locally higher amounts possible where snow showers are most persistent. Temperatures during this time will range from the 20s to the lower 30s, so minor impacts to travel are possible.
INSTRUCTION: N/A
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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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