Weather Alert in Illinois
Flood Advisory issued August 12 at 3:53PM CDT until August 12 at 5:30PM CDT by NWS Chicago IL
AREAS AFFECTED: Cook, IL; Will, IL
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall continues. * WHERE...A portion of northeast Illinois, including the following counties, Cook and Will. * WHEN...Until 530 PM CDT. * IMPACTS...Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 351 PM CDT, Doppler radar and automated rain gauges indicated heavy rainfall continuing across the area. Most of the advisory area has been replaced with a Flash Flood Warning. - Some locations that will experience flooding include... Chicago, Hammond, Orland Park, Tinley Park, Oak Lawn, Calumet City, Woodridge, Chicago Heights, Roseland, Chicago Lawn, Englewood, South Shore, Burbank, Lansing, Oak Forest, Harvey, New Lenox, Homer Glen, Blue Island and Dolton. - 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.
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Weather Topic: What are Cumulonimbus Clouds?
Home - Education - Cloud Types - 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
Weather Topic: What is Drizzle?
Home - Education - Precipitation - Drizzle
Next Topic: Evaporation
Drizzle is precipitation in the form of water droplets which are
smaller than raindrops.
Drizzle is characterized by fine, gently falling droplets and typically does not
impact human habitation in a negative way. The exception to this is freezing drizzle,
a condition where drizzle freezes immediately upon reaching earth's surface.
Freezing drizzle is still less dangerous than freezing rain, but can
potentially result in hazardous road conditions.
Next Topic: Evaporation
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