Weather Alert in Iowa

Recent Locations: Keota, IA  

Flood Watch issued June 26 at 10:52AM CDT by NWS Quad Cities IA IL

AREAS AFFECTED: Benton; Iowa

DESCRIPTION: ...The National Weather Service in Quad Cities IA IL has issued a Flood Watch for the following rivers in Iowa... Iowa River at Marengo affecting Benton and Iowa Counties. * WHAT...Flooding is possible due to rounds of thunderstorms through tonight leading to excessive rainfall. * WHERE...Iowa River at Marengo. * WHEN...From late Friday night until further notice. * IMPACTS...At 16.0 feet, Flood Stage. Water affects agricultural land along the river. Water is several feet deep in places. * ADDITIONAL DETAILS... - At 10:00 AM CDT Thursday the stage was 13.9 feet. - Forecast...Flood stage may be reached early Saturday morning. - Flood stage is 15.0 feet.

INSTRUCTION: If you are in the watch area, remain alert to possible flooding. 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 Friday morning at 1100 AM CDT.

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Weather Topic: What are Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

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

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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