Weather Alert in Kentucky
Special Weather Statement issued February 22 at 12:26PM 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 is Precipitation?
Home - Education - Precipitation - Precipitation
Next Topic: Rain
Precipitation can refer to many different forms of water that
may fall from clouds. Precipitation occurs after a cloud has become saturated to
the point where its water particles are more dense than the air below the cloud.
In most cases, precipitation will reach the ground, but it is not uncommon for
precipitation to evaporate before it reaches the earth's surface.
When precipitation evaporates before it contacts the ground it is called Virga.
Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog
and mist are not considered precipitation because the water vapor which
constitutes them isn't dense enough to fall to the ground.
Next Topic: Rain
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
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