Weather Alert in Iowa

Recent Locations: Sibley, IA  

Flood Watch issued April 24 at 8:54PM CDT by NWS Quad Cities IA IL

AREAS AFFECTED: Benton; Iowa

DESCRIPTION: ...The Flood Watch continues for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties. Iowa River at Marengo affecting Iowa and Benton Counties. .Uncertainty on rainfall location and amounts over the next 24 hours exists. Therefore, a Flood Watch has been issued. * WHAT...Flooding is possible. * 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 8:00 PM CDT Thursday the stage was 10.6 feet. - Forecast...Flood stage may be reached late Saturday morning. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood

INSTRUCTION: If you are in the watch area, remain alert to possible flooding. Additional information is available at www.weather.gov/quadcities. The next statement will be issued by Friday evening at 900 PM CDT.

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Weather Topic: What are Stratocumulus Clouds?

Home - Education - Cloud Types - Stratocumulus Clouds

Stratocumulus Clouds Next Topic: Stratus Clouds

Stratocumulus clouds are similar to altocumulus clouds in their fluffy appearance, but have a slightly darker shade due to their additional mass.

A good way to distinguish the two cloud types is to hold your hand out and measure the size of an individual cloud; if it is the size of your thumb it is generally an altocumulus cloud, if it is the size of your hand it is generally a stratocumulus cloud.

It is uncommon for stratocumulus clouds to produce precipitation, but if they do it is usually a light rain or snow.

Next Topic: Stratus Clouds

Weather Topic: What are Wall Clouds?

Home - Education - Cloud Types - Wall Clouds

Wall Clouds Next Topic: Altocumulus Clouds

A wall cloud forms underneath the base of a cumulonimbus cloud, and can be a hotbed for deadly tornadoes.

Wall clouds are formed by air flowing into the cumulonimbus clouds, which can result in the wall cloud descending from the base of the cumulonimbus cloud, or rising fractus clouds which join to the base of the storm cloud as the wall cloud takes shape.

Wall clouds can be very large, and in the Northern Hemisphere they generally form at the southern edge of cumulonimbus clouds.

Next Topic: Altocumulus Clouds

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