Weather Alert in Kentucky
Flood Advisory issued February 20 at 3:34PM EST until February 22 at 5:00AM EST by NWS Jackson KY
AREAS AFFECTED: Estill, KY
DESCRIPTION: ...The National Weather Service in Jackson has issued a Flood Advisory for the following rivers in Kentucky... Kentucky River near Ravenna affecting Estill County. * WHAT...Elevated river levels caused by excessive rainfall are expected. * WHERE...Kentucky River near Ravenna. * WHEN...From this afternoon to early Sunday morning. * ADDITIONAL DETAILS... - At 3:20 PM EST Friday the stage was 17.0 feet. - Forecast...The river is expected to rise to a crest of 18.1 feet early Saturday morning. The river will continue to run high through late Saturday night. - Flood stage is 21.0 feet.
INSTRUCTION: If you encounter a flooded roadway, turn around and find an alternative route. The next statement will be issued Saturday morning at 600 AM EST.
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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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