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  • NOVA

NOVA | Deadliest Tornadoes | PBS

Duration: 00:31
Program: NOVA #3910
Broadcast Date: Apr. 11, 2012

Why was the 2011 tornado season in the US so extreme, and, with advanced warning systems, why did so many die? Airs at 9PM/8c Wednesday, April 11, 2012 on PBS Learn more about tornadoes on NOVA's website: www.pbs.org



Post Date: March 7, 2012