Weather Alert in Illinois
Flood Warning issued May 16 at 11:15AM CDT until May 22 at 9:00AM CDT by NWS Paducah KY
AREAS AFFECTED: Alexander, IL; Jackson, IL; Union, IL; Cape Girardeau, MO; Perry, MO; Scott, MO
DESCRIPTION: ...The Flood Warning is extended for the following rivers in Kentucky... Mississippi River near Hickman affecting Fulton County. ...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Cape Girardeau affecting Perry, Scott, Cape Girardeau, Union, Jackson and Alexander Counties. For the Mississippi River...including Cape Girardeau, Thebes, Hickman, New Madrid...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Cape Girardeau. * WHEN...Until late Wednesday morning. * IMPACTS...At 32.0 feet, Minor flooding occurs. The Mississippi River backs into several creeks producing flooding. * ADDITIONAL DETAILS... - At 11:00 AM CDT Thursday the stage was 32.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 11:00 AM CDT Thursday was 33.3 feet. - Forecast...The river is expected to rise to a crest of 33.0 feet this afternoon. It will then fall below flood stage early Wednesday morning. - Flood stage is 32.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. Additional information is available at www.weather.gov.
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Weather Topic: What is Rain?
Home - Education - Precipitation - Rain
Next Topic: Shelf Clouds
Precipitation in the form of water droplets is called rain.
Rain generally has a tendency to fall with less intensity over a greater period
of time, and when rainfall is more severe it is usually less sustained.
Rain is the most common form of precipitation and happens with greater frequency
depending on the season and regional influences. Cities have been shown to have
an observable effect on rainfall, due to an effect called the urban heat island.
Compared to upwind, monthly rainfall between twenty and forty miles downwind of
cities is 30% greater.
Next Topic: Shelf Clouds
Weather Topic: What is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
