Weather Alert in Illinois

Recent Locations: Cairo, IL  

Flood Warning issued April 3 at 12:49AM EDT by NWS Indianapolis IN

AREAS AFFECTED: Clark, IL; Crawford, IL; Sullivan, IN; Vigo, IN

DESCRIPTION: ...The Flood Warning continues for the following rivers in Indiana and Illinois... Wabash River from Lafayette to Hutsonville. .Multiple rounds of rainfall will bring minor lowland flooding to the Wabash River basin that could hang around through much of next week. The current river forecasts include around an inch of rainfall through Saturday morning, but do not include rainfall from Saturday through Sunday. Higher rainfall amounts in the Wabash basin could increase crests or lengthen the amount of time in flood. * WHAT...Minor flooding is forecast. * WHERE...Wabash River at Terre Haute. * WHEN...From this afternoon until further notice. * IMPACTS...At 22.5 feet, Extensive flooding behind Honey Creek Levee as a result of two unrepaired levee breaks from the April 2013 flood. This levee is maintained by the Honey Creek Levee Association. Flood waters behind the Honey Creek levee inundates most roads and affects a few residences and or commercial activities. * ADDITIONAL DETAILS... - At 12:30 AM EDT Friday /11:30 PM CDT Thursday/ the stage was 14.3 feet. - Forecast...The river is expected to rise above flood stage late this afternoon and continue rising to a crest of 23.0 feet Tuesday evening. - Flood stage is 16.5 feet. - http://www.weather.gov/safety/flood

INSTRUCTION: Motorists should not attempt to drive around barricades or drive cars through flooded areas. Be especially cautious at night when it is harder to recognize the dangers of flooding. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/ind. The next statement should be issued this afternoon by around 145 PM EDT /1245 PM CDT/.

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Weather Topic: What are Mammatus Clouds?

Home - Education - Cloud Types - Mammatus Clouds

Mammatus Clouds Next Topic: Nimbostratus Clouds

A mammatus cloud is a cloud with a unique feature which resembles a web of pouches hanging along the base of the cloud.

In the United States, mammatus clouds tend to form in the warmer months, commonly in the Midwest and eastern regions.

While they usually form at the bottom of a cumulonimbis cloud, they can also form under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds warn that severe weather is close.

Next Topic: Nimbostratus Clouds

Weather Topic: What is Precipitation?

Home - Education - Precipitation - Precipitation

Precipitation Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain

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