Weather Alert in Illinois
Flood Warning issued April 24 at 10:22AM CDT until April 26 at 9:24AM CDT by NWS Paducah KY
AREAS AFFECTED: Pulaski, IL; Ballard, KY
DESCRIPTION: ...The Flood Warning is extended for the following river in Kentucky...Missouri...Illinois... Ohio River at Olmsted Lock and Dam and Cairo. .Levels on the Ohio River continue to fall, with Olmsted and Cairo forecast to fall below flood stage Saturday. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Ohio River at Olmsted Lock and Dam. * WHEN...Until late Saturday morning. * ADDITIONAL DETAILS... - At 10:00 AM CDT Thursday the stage was 38.9 feet. - Forecast...The river is expected to fall below flood stage early Saturday morning. - Flood stage is 36.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: Motorists should not attempt to drive around barricades or drive cars through flooded areas. 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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