Weather Alert in Illinois
Flood Warning issued April 3 at 9:50PM CDT by NWS Lincoln IL
AREAS AFFECTED: Clay, IL; Richland, IL
DESCRIPTION: ...The Flood Warning continues for the following rivers in Illinois... Little Wabash River below Clay City affecting Clay and Richland Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Little Wabash River below Clay City. * WHEN...Until further notice. * IMPACTS...At 19.7 feet, Mayflower Road...just north of U.S. Route 50...begins to flood. At 22.0 feet, North Clay Road...1 mile east of the gage is flooded. * ADDITIONAL DETAILS... - At 8:45 PM CDT Thursday the stage was 19.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Thursday was 19.9 feet. - Forecast...The river is expected to rise to a crest of 23.4 feet early Sunday afternoon. - Flood stage is 18.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov.
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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
Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
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