Weather Alert in Iowa
Flood Watch issued July 11 at 9:01PM CDT by NWS Quad Cities IA IL
AREAS AFFECTED: Clinton; Scott
DESCRIPTION: ...The Flood Watch is extended for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Scott and Clinton Counties. * WHAT...Flooding is possible. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...From Tuesday evening until further notice. * IMPACTS...At 11.5 feet, Moderate Flood Stage. Water affects homes along old U.S. Highway 61. * ADDITIONAL DETAILS... - At 8:30 PM CDT Friday the stage was 7.9 feet. - Forecast...Flood stage may be reached late Tuesday evening. - Flood stage is 11.0 feet.
INSTRUCTION: If you are in the watch area, remain alert to possible flooding. The next statement will be issued by Saturday evening at 915 PM CDT.
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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
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
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