Weather Alert in Illinois
Flood Watch issued April 3 at 3:22PM CDT until April 6 at 7:00AM CDT by NWS Paducah KY
AREAS AFFECTED: Jefferson; Wayne; Edwards; Wabash; Perry; Franklin; Hamilton; White; Jackson; Williamson; Saline; Gallatin; Union; Johnson; Pope; Hardin; Alexander; Pulaski; Massac; Gibson; Pike; Posey; Vanderburgh; Warrick; Spencer; Fulton; Hickman; Carlisle; Ballard; McCracken; Graves; Livingston; Marshall; Calloway; Crittenden; Lyon; Trigg; Caldwell; Union; Webster; Hopkins; Christian; Henderson; Daviess; McLean; Muhlenberg; Todd; Perry; Bollinger; Cape Girardeau; Wayne; Carter; Ripley; Butler; Stoddard; Scott; Mississippi; New Madrid
DESCRIPTION: Showers and storms through today produced 1 to 4 inches of rainfall across the Quad State. With another 5 to 9 inches of rainfall forecast through Sunday, a particularly dangerous flooding and flash flooding situation is expected. * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...All of southern Illinois, southeast Missouri, western Kentucky and southwest Indiana. * WHEN...Through Sunday morning. * IMPACTS... ...This is a particularly dangerous situation... Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Low-water crossings may be flooded. Extensive street flooding may develop. Flooding may occur in homes, businesses and other locations not normally subject to flooding. Roadways may wash away near creeks and culverts. * ADDITIONAL DETAILS... - Multiple rounds of locally heavy rainfall over several days will result in extreme forecast amounts of up to 1 foot of rain that will cause the risk of flash flooding and flooding to rise markedly and create a particularly dangerous flooding situation.
INSTRUCTION: Monitor later forecasts and be alert for Flash Flood and Flood Warnings. Be prepared to take action when flooding develops.
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Weather Topic: What are Cirrostratus Clouds?
Home - Education - Cloud Types - 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.
Next Topic: Cirrus Clouds
Weather Topic: What is Condensation?
Home - Education - Precipitation - 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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