Weather Alert in Illinois

Recent Locations: Mud Key, FL   Warsaw, IL  

Flood Warning issued May 19 at 8:39PM CDT until May 24 at 4:00AM CDT by NWS Lincoln IL

AREAS AFFECTED: Clay, IL; Richland, IL

DESCRIPTION: ...The National Weather Service in Lincoln IL has issued a Flood Warning for the following rivers in Illinois... Little Wabash River below Clay City affecting Clay and Richland Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is forecast. * WHERE...Little Wabash River below Clay City. * WHEN...From Tuesday evening to early Saturday morning. * IMPACTS...At 19.0 feet, 2600E Road begins to flood 1.5 miles south of Wynoose. * ADDITIONAL DETAILS... - At 7:45 PM CDT Monday the stage was 6.9 feet. - Forecast...The river is expected to rise above flood stage late tomorrow evening to a crest of 19.0 feet early Thursday morning. It will then fall below flood stage late Friday evening. - Flood stage is 18.0 feet. - http://www.weather.gov/safety/flood

INSTRUCTION: Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Additional information is available at www.weather.gov.

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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.

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Weather Topic: What is Rain?

Home - Education - Precipitation - Rain

Rain Next Topic: Shelf Clouds

Precipitation in the form of water droplets is called rain. Rain generally has a tendency to fall with less intensity over a greater period of time, and when rainfall is more severe it is usually less sustained.

Rain is the most common form of precipitation and happens with greater frequency depending on the season and regional influences. Cities have been shown to have an observable effect on rainfall, due to an effect called the urban heat island. Compared to upwind, monthly rainfall between twenty and forty miles downwind of cities is 30% greater.

Next Topic: Shelf Clouds

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