Weather Alert in Illinois

Flood Warning issued April 24 at 8:45AM CDT until April 27 at 1:00AM CDT by NWS Paducah KY

AREAS AFFECTED: Jackson, IL

DESCRIPTION: ...The Flood Warning is extended for the following rivers in Illinois... Big Muddy River near Murphysboro. .The Big Muddy River will continue to fall, dropping below flood stage at Murphysboro late Saturday. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Big Muddy River near Murphysboro. * WHEN...Until early Sunday morning. * ADDITIONAL DETAILS... - At 8:00 AM CDT Thursday the stage was 22.5 feet. - Forecast...The river is expected to fall below flood stage Saturday evening. - Flood stage is 22.0 feet. - http://www.weather.gov/safety/flood

INSTRUCTION: Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov.

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Weather Topic: What are Cirrostratus Clouds?

Home - Education - Cloud Types - Cirrostratus Clouds

Cirrostratus Clouds Next Topic: Cirrus Clouds

Cirrostratus clouds are high, thin clouds that form above 20,000 feet and are made mostly of ice crystals. They sometimes look like giant feathers, horse tails, or curls of hair in the sky. These clouds are pushed by the jet stream and can move at high speeds reaching 100 mph.

What do they indicate?
They indicate that a precipitation is likely within 24 hours.

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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

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