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Severe Weather

George Callison of Creston, Iowa, looks over the debris on his lawn on Sunday, April 15, 2012, following a strong storm that passed through on Saturday evening. The storm knocked down power lines, overturned vehicles, and caused extensive property damage, including the town's hospital. (AP Photo/The Des Moines Register, Bryon Houlgrave) NO SALES, MAGS OUT, MANDATORY CREDIT

Credit: AP