Weather Alert in Illinois
Flood Advisory issued March 15 at 9:02PM CDT until March 16 at 2:00AM CDT by NWS Chicago IL
AREAS AFFECTED: Cook, IL; DuPage, IL; Will, IL; Lake, IN
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall continues. * WHERE...Portions of northeast Illinois, including the following counties, Cook, DuPage and Will and northwest Indiana, including the following county, Lake IN. * WHEN...Until 200 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Underpasses may be flooded. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 857 PM CDT, Local law enforcement reported flooded roads and viaducts in Chicago. Between 1 and 2 inches of rain have fallen. Area creeks and streams are also near or at bankfull. - Additional rainfall amounts up to 0.5 inches are expected over the area. - Some locations that will experience flooding include... Chicago, Naperville, Cicero, Hammond, Gary, Evanston, Bolingbrook, Skokie, Des Plaines, Orland Park, Tinley Park, Oak Lawn, Berwyn, Wheaton, Oak Park, Downers Grove, Glenview, Elmhurst, Lombard and Ohare Airport. - http://www.weather.gov/safety/flood
INSTRUCTION: A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters. Be especially cautious at night when it is harder to recognize the dangers of flooding.
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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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