Weather Alert in Iowa

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Flood Watch issued August 23 at 9:19AM CDT until August 27 at 3:00PM CDT by NWS Quad Cities IA IL

AREAS AFFECTED: Muscatine; Louisa

DESCRIPTION: ...The Flood Watch is extended for the following rivers in Iowa... Cedar River near Conesville affecting Louisa and Muscatine Counties. * WHAT...Flooding is possible. * WHERE...Cedar River near Conesville. * WHEN...From Monday morning to Wednesday afternoon. * IMPACTS...At 13.5 feet, Water affects yards and access roads of residences along Iowa Highway 22. Water affects the lowest sections of campgrounds just north of I-80 along the river and the lowest sections of Jack Shuger Memorial Park in Moscow. Water is also on 152nd Street north of County Road F70. * ADDITIONAL DETAILS... - At 9:00 AM CDT Saturday the stage was 11.4 feet. - Forecast...Flood stage may be reached Monday morning. - Flood stage is 13.0 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 by Sunday morning at 930 AM CDT.

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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

Weather Topic: What are Altostratus Clouds?

Home - Education - Cloud Types - Altostratus Clouds

Altostratus Clouds Next Topic: Cirrocumulus Clouds

Altostratus clouds form at mid to high-level altitudes (between 2 and 7 km) and are created by a warm, stable air mass which causes water vapor to condense as it rise through the atmosphere. Usually altostratus clouds are featureless sheets characterized by a uniform color.

In some cases, wind punching through the cloud formation may give it a waved appearance, called altostratus undulatus. Altostratus clouds are commonly seen with other cloud formations accompanying them.

Next Topic: Cirrocumulus Clouds

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