Weather Alert in Illinois
Flood Warning issued April 25 at 10:18AM CDT until April 26 at 11:48PM CDT by NWS Paducah KY
AREAS AFFECTED: Alexander, IL; Pulaski, IL; Ballard, KY; Carlisle, KY; Fulton, KY; Hickman, KY; Mississippi, MO
DESCRIPTION: ...The Flood Warning continues for the following rivers in Kentucky...Illinois...Missouri... Ohio River at Cairo affecting Mississippi, Pulaski, Carlisle, Ballard, Hickman, Alexander and Fulton Counties. Ohio River at Olmsted Lock and Dam affecting Ballard and Pulaski Counties. .Levels on the Ohio River continue to fall, with Olmsted and Cairo forecast to fall below flood stage by Saturday night. For the Ohio River...including Owensboro, Newburgh Dam, Evansville, Henderson, Mount Vernon, J.T. Myers Dam, Shawneetown, Golconda, Smithland Dam, Paducah, Olmsted Lock and Dam, Cairo...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Ohio River at Cairo. * WHEN...Until late tomorrow evening. * ADDITIONAL DETAILS... - At 10:00 AM CDT Friday the stage was 42.9 feet. - Forecast...The river is expected to fall below flood stage tomorrow afternoon and continue falling to 29.8 feet Monday, May 05. - Flood stage is 40.0 feet.
INSTRUCTION: Motorists should not attempt to drive around barricades or drive cars through flooded areas.
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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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