Weather Alert in Illinois
Flood Warning issued April 3 at 12:45PM CDT by NWS Paducah KY
AREAS AFFECTED: Hardin, IL; Pope, IL; Crittenden, KY; Livingston, KY
DESCRIPTION: ...The National Weather Service in Paducah KY has issued a Flood Warning for the following rivers in Kentucky...Indiana...Illinois... Ohio River at Newburgh Dam affecting Daviess, Vanderburgh, Warrick, Henderson and Spencer Counties. Ohio River at Mount Vernon affecting Vanderburgh, Posey, Henderson and Union Counties. Ohio River at Shawneetown affecting Crittenden, Gallatin, Union and Hardin Counties. Ohio River at J.T. Myers Dam affecting Union and Posey Counties. Ohio River at Owensboro affecting Daviess and Spencer Counties. Ohio River near Henderson affecting Vanderburgh, Posey and Henderson Counties. Ohio River at Evansville affecting Daviess, Vanderburgh, Warrick, Posey and Henderson Counties. Ohio River at Golconda affecting Pope, Livingston, Crittenden and Hardin 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 Ohio 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...Ohio River at Golconda. * WHEN...From Sunday morning until further notice. * IMPACTS...At 53.0 feet, The levee at the marina is under water. * ADDITIONAL DETAILS... - At 12:00 PM CDT Thursday the stage was 31.5 feet. - Forecast...The river is expected to rise above flood stage Sunday morning and continue rising to 51.5 feet Sunday, April 13. Additional rises are possible thereafter. - Flood stage is 40.0 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 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
Weather Topic: What are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
Next Topic: Sleet
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