Weather Alert in Iowa

Recent Locations: Sioux City, IA  

Flood Warning issued July 11 at 8:58PM CDT until July 18 at 4:12AM CDT by NWS Quad Cities IA IL

AREAS AFFECTED: Benton, IA; Iowa, IA

DESCRIPTION: ...The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Iowa... Iowa River at Marengo affecting Iowa and Benton Counties. * WHAT...Minor flooding is forecast. * WHERE...Iowa River at Marengo. * WHEN...From Saturday afternoon to Friday, July 18. * IMPACTS...At 17.0 feet, Moderate Flood Stage. Extensive inundation of agricultural land. * ADDITIONAL DETAILS... - At 8:00 PM CDT Friday the stage was 11.6 feet. - Forecast...The river will rise above flood stage tomorrow afternoon to 15.1 feet tomorrow evening. It will then fall to flood stage early Sunday morning. It will rise to 16.9 feet early Monday afternoon. It will then fall below flood stage Thursday evening. - Flood stage is 15.0 feet.

INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued Saturday evening at 900 PM CDT.

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Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Cumulus Clouds

Weather Topic: What is Drizzle?

Home - Education - Precipitation - Drizzle

Drizzle Next Topic: Evaporation

Drizzle is precipitation in the form of water droplets which are smaller than raindrops.

Drizzle is characterized by fine, gently falling droplets and typically does not impact human habitation in a negative way. The exception to this is freezing drizzle, a condition where drizzle freezes immediately upon reaching earth's surface. Freezing drizzle is still less dangerous than freezing rain, but can potentially result in hazardous road conditions.

Next Topic: Evaporation

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