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Links for NOVA S40E19: Oklahoma's Deadliest Tornadoes

Episode 19

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May 29, 2013
Examining the May 20, 2013, tornado strike in Moore, Okla., which occurred two years after the worst tornado season on record, and whether improved radar and warning systems led to fewer deaths than in the May 22, 2011, tornado hit in Joplin, Mo. The installment also explores whether the warming atmosphere will cause more tornadoes in the future; features scientists who study extreme-weather events and storm survivors; and explains how people and communities can protect themselves.
Season Finale
May 29, 2013
Season Finale
Examining the May 20, 2013, tornado strike in Moore, Okla., which occurred two years after the worst tornado season on record, and whether improved radar and warning systems led to fewer deaths than in the May 22, 2011, tornado hit in Joplin, Mo. The installment also explores whether the warming atmosphere will cause more tornadoes in the future; features scientists who study extreme-weather events and storm survivors; and explains how people and communities can protect themselves.
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