Weather Alert in Illinois

Flood Warning issued April 23 at 11:16AM CDT until April 26 at 8:00PM 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 Illinois...Kentucky...Missouri... Ohio River at Cairo, Olmsted Lock and Dam, and Shawneetown. .The Ohio River is forecast to continue its fall at Shawneetown, Olmsted, and Cairo. For the Ohio River...including Shawneetown, 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 Saturday evening. * ADDITIONAL DETAILS... - At 11:00 AM CDT Wednesday the stage was 46.0 feet. - Forecast...The river is expected to fall below flood stage early Saturday afternoon and continue falling to 27.4 feet Saturday, May 3. - Flood stage is 40.0 feet.

INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

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Weather Topic: What are Hole Punch Clouds?

Home - Education - Cloud Types - Hole Punch Clouds

Hole Punch Clouds Next Topic: Mammatus Clouds

A hole punch cloud is an unusual occurrence when a disk-shaped hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.

When part of the cloud forms ice crystals, water droplets in the surrounding area of the cloud evaporate. The effect of this process produces a large elliptical gap in the cloud. The hole punch cloud formation is rare, but it is not specific to any geographic area.

Other names which have been used to describe this phenomena include fallstreak hole, skypunch, and cloud hole.

Next Topic: Mammatus Clouds

Weather Topic: What are Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

Nimbostratus Clouds Next Topic: Precipitation

A nimbostratus cloud is similar to a stratus cloud in its formless, smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud, because it is thicker.

Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat of moderate to heavy precipitation. In some cases, the precipitation may evaporate before reaching the ground, a phenomenon known as virga.

Next Topic: Precipitation

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