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How the National Weather Service determines if storm damage is from a tornado

5:30 PM, Apr 11, 2013   |    comments
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HAZELWOOD, Mo. (KSDK) - Experts from the National Weather Service are working to determine if a tornado is responsible for much of Wednesday night's damage, and how powerful it was.

Our own weather expert, Mike Roberts explains how they'll do that in the video above.


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