Weather Alert in Iowa
Flood Warning issued August 24 at 9:39AM CDT until August 27 at 3:00AM CDT by NWS Quad Cities IA IL
AREAS AFFECTED: Louisa, IA; Muscatine, IA
DESCRIPTION: ...The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Iowa... Cedar River near Conesville affecting Louisa and Muscatine Counties. * WHAT...Minor flooding is forecast. * WHERE...Cedar River near Conesville. * WHEN...From Monday evening to early Wednesday morning. * IMPACTS...At 13.0 feet, Water affects Edgewater Road and 245th Street near Conesville. * ADDITIONAL DETAILS... - At 9:00 AM CDT Sunday the stage was 12.1 feet. - Forecast...The river is expected to rise above flood stage tomorrow evening to a crest of 13.1 feet early Tuesday morning. It will then fall below flood stage Tuesday evening. - Flood stage is 13.0 feet.
INSTRUCTION: Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. The next statement will be issued by Monday morning at 945 AM CDT.
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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
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