NOVA  Deadliest Tornadoes

Why was the 2011 tornado season in the U.S. so extreme, and why did so many die? Details

 

Program: NOVA

Episode: Deadliest Tornadoes

Why was the 2011 tornado season in the U.S. so extreme, and why did so many die?

• Visit the Deadliest Tornadoes webpage

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Duration: (52:52)
Premiere Date: 04/11/2012
Episode Expires: Never
TV Rating: TV-PG
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