Weather Alert in Illinois
Flood Warning issued March 11 at 11:04AM CDT until March 16 at 7:00AM CDT by NWS Paducah KY
AREAS AFFECTED: Gallatin, IL; Hardin, IL; Crittenden, KY; Union, KY
DESCRIPTION: ...The Flood Warning continues for the following rivers in Indiana... Kentucky...Illinois... Ohio River at Mount Vernon affecting Union, Vanderburgh, Posey and Henderson Counties. Ohio River at J.T. Myers Dam affecting Union and Posey Counties. Ohio River at Newburgh Dam affecting Vanderburgh, Spencer, Warrick, Daviess and Henderson Counties. Ohio River at Shawneetown affecting Union, Crittenden, Gallatin and Hardin Counties. .Recent heavy rain will cause minor flooding along portions of the Ohio River. For the Ohio River...including Owensboro, Newburgh Dam, Evansville, Henderson, Mount Vernon, J.T. Myers Dam, Shawneetown, Golconda, Smithland Dam, Paducah, Olmsted Lock and Dam, Cairo...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Ohio River at Shawneetown. * WHEN...Until Monday morning. * ADDITIONAL DETAILS... - At 10:30 AM CDT Wednesday the stage was 36.0 feet. - Forecast...The river is expected to rise to a crest of 36.6 feet tomorrow morning. It will then fall below flood stage early Monday morning. - Flood stage is 33.0 feet.
INSTRUCTION: Caution is urged when walking near riverbanks. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
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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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