Weather Alert in Illinois
Flood Warning issued April 25 at 8:59PM CDT until April 28 at 7:00PM CDT by NWS Lincoln IL
AREAS AFFECTED: Cass, IL; Fulton, IL; Mason, IL
DESCRIPTION: ...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Fulton, Cass and Mason Counties. Illinois River at Beardstown affecting Morgan, Schuyler, Brown and Cass Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River near Havana. * WHEN...Until Sunday evening. * IMPACTS...At 14.0 feet, Minor flooding begins to agricultural areas not protected by levees. * ADDITIONAL DETAILS... - At 8:45 PM CDT Thursday the stage was 14.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Thursday was 15.1 feet. - Forecast...The river is expected to rise to a crest of 14.6 feet just after midnight tonight. It will then fall below flood stage early Sunday afternoon. - Flood stage is 14.0 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. Additional information is available at www.weather.gov.
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Weather Topic: What are Hole Punch Clouds?
Home - Education - Cloud Types - Hole Punch Clouds
Next Topic: Mammatus Clouds
A hole punch cloud is an unusual occurrence when a disk-shaped
hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.
When part of the cloud forms ice crystals, water droplets in the surrounding area
of the cloud evaporate. The effect of this process produces a large elliptical
gap in the cloud. The hole punch cloud formation is rare, but it is not specific
to any geographic area.
Other names which have been used to describe this phenomena include fallstreak hole,
skypunch, and cloud hole.
Next Topic: Mammatus Clouds
Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
Next Topic: Precipitation
A nimbostratus cloud is similar to a stratus cloud in its formless,
smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud,
because it is thicker.
Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat
of moderate to heavy precipitation. In some cases, the precipitation may evaporate
before reaching the ground, a phenomenon known as virga.
Next Topic: Precipitation
