Current atmospheric conditions support the development of funnel clouds in conjunction with the shower and storms moving across central Iowa. Usually, these funnel clouds can form from showers and weak thunderstorms. These funnels are normally brief, drop only a few hundred feet from the cloud base, an rarely become a tornado or cause damage. However, if one is spotted, please immediately report it to the National Weather Service. If a tornado warning would become necessary, take appropriate action.
This includes the cities of, Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Waverly, Iowa Falls, Eldora, Ackley, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, Ames, Marshalltown, Perry, Waukee, Adel, Des Moines, Newton, Winterset, Earlhamn, Indianola, Norwalk, and Carlisle.
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