Weather Alert in Minnesota

Flood Warning issued August 21 at 9:35PM CDT by NWS Twin Cities/Chanhassen MN

AREAS AFFECTED: Chippewa, MN; Renville, MN; Yellow Medicine, MN

DESCRIPTION: ...The Flood Warning is extended for the following rivers in Minnesota... Cottonwood River Above Springfield affecting Brown County. Minnesota River at New Ulm affecting Brown, Nicollet and Blue Earth Counties. ...The Flood Warning continues for the following rivers in Minnesota... Minnesota River at Granite Falls HWY 212 affecting Renville, Chippewa and Yellow Medicine Counties. Minnesota River at Morton affecting Renville and Redwood Counties. Minnesota River at Montevideo affecting Chippewa, Yellow Medicine and Lac qui Parle Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Minnesota River at Granite Falls HWY 212. * WHEN...Until further notice. * IMPACTS...At 885.0 feet, Flood waters begin to reach the alley way along the river at the foot bridge. * ADDITIONAL DETAILS... - At 815 PM CDT Thursday, the stage was 885.7 feet. - River levels are currently steady. - Forecast...The river is expected to fall to 885.0 feet Thursday, August 28. - Flood stage is 885.0 feet. - Flood History...This crest compares to a previous crest of 886.0 feet on 06/22/2012.

INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks.

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Weather Topic: What are Cumulonimbus Clouds?

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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.

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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.

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