Weather Alert in Illinois
Flood Warning issued April 3 at 11:51AM CDT by NWS Paducah KY
AREAS AFFECTED: Gallatin, IL; Wabash, IL; White, IL; Gibson, IN; Posey, IN
DESCRIPTION: ...The National Weather Service in Paducah KY has issued a Flood Warning for the following rivers in Indiana...Illinois... Wabash River at New Harmony affecting Gallatin, Wabash, Posey, Gibson and White Counties. .A multi-day heavy rain is headed toward the region lasting through Saturday. Three days of rainfall is incorporated into the forecast but it still does not include the entire event. The Wabash River has started to rise and increases in crest forecasts can be expected. Now is the time to prepare for flooding. * WHAT...Moderate flooding is forecast. * WHERE...Wabash River at New Harmony. * WHEN...From Saturday afternoon until further notice. * IMPACTS...At 21.0 feet, The river is 3 miles wide at I-64. * ADDITIONAL DETAILS... - At 11:30 AM CDT Thursday the stage was 8.8 feet. - Forecast...The river will fall to 8.7 feet this afternoon. It will then rise above flood stage early Saturday afternoon to 18.1 feet early Sunday morning. It will fall to 18.0 feet Sunday evening then rise again. - Flood stage is 15.0 feet.
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Be especially cautious at night when it is harder to recognize the dangers of flooding. Additional information is available at www.weather.gov.
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Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - 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
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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