Monday's deadly twister that tore through Moore, Oklahoma devastated a town not new to such storms. A powerful twister in May of 1999 wrought similar damage in the city, killing upwards of 30 people.


Emotional Dad Describes Racing to Daughter's School After Twister


In the clip above, Bill Hemmer compares the uncannily similar paths of both the 1999 and 2013 twisters, giving new meaning to the term "Tornado Alley."

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