Weather Alert in Iowa
Flood Warning issued August 1 at 8:09PM CDT until August 3 at 1:00AM CDT by NWS Des Moines IA
AREAS AFFECTED: Black Hawk, IA; Bremer, IA; Butler, IA
DESCRIPTION: ...The Flood Warning continues for the following rivers in Iowa... Iowa River near Tama Hwy E49 affecting Poweshiek and Tama Counties. Cedar River at Cedar Falls affecting Black Hawk County. Shell Rock River at Shell Rock affecting Black Hawk, Butler and Bremer Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...The Shell Rock River at Shell Rock, or from Flood Creek near Clarksville to the Cedar River. * WHEN...Until early Sunday morning. * IMPACTS...At 13.0 feet, Part of S Lake St is closed. * ADDITIONAL DETAILS... - At 6:45 PM CDT Friday the stage was 13.0 feet. - Forecast...The river is expected to fall below flood stage tomorrow evening and continue falling to 10.3 feet Friday, August 08. - Flood stage is 12.0 feet.
INSTRUCTION: For the latest waterway observations and forecasts refer to weather.gov/desmoines/water. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. River forecasts include observed precipitation plus forecast precipitation over the next 24 hours.
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Weather Topic: What are Cumulonimbus Clouds?
Home - Education - Cloud Types - 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
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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