Weather Alert in Illinois

Recent Locations: Denver, CO   Chicago, IL  

Flood Warning issued April 25 at 10:18AM CDT until April 25 at 9:00PM CDT by NWS Paducah KY

AREAS AFFECTED: Pulaski, IL; Ballard, KY

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 Olmsted Lock and Dam. * WHEN...Until late this evening. * ADDITIONAL DETAILS... - At 10:00 AM CDT Friday the stage was 36.4 feet. - Forecast...The river is expected to fall below flood stage late this afternoon and continue falling to 23.2 feet Monday, May 05. - Flood stage is 36.0 feet.

INSTRUCTION: Motorists should not attempt to drive around barricades or drive cars through flooded areas.

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Weather Topic: What is Condensation?

Home - Education - Precipitation - Condensation

Condensation Next Topic: Contrails

Condensation is the process which creates clouds, and therefore it is a crucial process in the water cycle. Condensation is the change of matter from a state of gas into a state of liquid, and it happens because water molecules release heat into the atmosphere and become organized into a more closely packed structure, what we might see as water droplets.

Water is always present in the air around us as a vapor, but it's too small for us to see. When water undergoes the process of condensation it becomes organized into visible water droplets. You've probably seen condensation happen before on the surface of a cold drink!

Next Topic: Contrails

Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Cumulus Clouds

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