Weather Alert in Illinois
Flood Warning issued April 4 at 11:21AM CDT by NWS Paducah KY
AREAS AFFECTED: Franklin, IL; Williamson, IL
DESCRIPTION: ...The Flood Warning is extended for the following rivers in Illinois... Big Muddy River near Plumfield affecting Williamson and Franklin Counties. Big Muddy River near Murphysboro affecting Jackson County. .A couple more rounds of moderate to heavy rain can be expected into the weekend. The rest of the event rainfall has been incorporated into the river forecast. The Big Muddy River has started to rise and crests are expected over the next week. Now is the time to prepare for flooding. * WHAT...Moderate flooding is forecast. * WHERE...Big Muddy River near Plumfield. * WHEN...From Saturday afternoon until further notice. * ADDITIONAL DETAILS... - At 11:00 AM CDT Friday the stage was 14.0 feet. - Forecast...The river is expected to rise above flood stage early tomorrow afternoon and continue rising to a crest of 28.1 feet Tuesday evening. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Caution is urged when walking near riverbanks. 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 Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
Weather Topic: What are Wall Clouds?
Home - Education - Cloud Types - Wall Clouds
Next Topic: Altocumulus Clouds
A wall cloud forms underneath the base of a cumulonimbus cloud,
and can be a hotbed for deadly tornadoes.
Wall clouds are formed by air flowing into the cumulonimbus clouds, which can
result in the wall cloud descending from the base of the cumulonimbus cloud, or
rising fractus clouds which join to the base of the storm cloud as the wall cloud
takes shape.
Wall clouds can be very large, and in the Northern Hemisphere they generally
form at the southern edge of cumulonimbus clouds.
Next Topic: Altocumulus Clouds
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