NOVA
Oklahoma's Deadliest Tornadoes
TV-PG
S40 • E20 May 29, 2013 55m6.3
On May 20th 2013, a ferocious F5 tornado over a mile wide tore through Moore, Oklahoma, inflicting 24 deaths and obliterating entire neighborhoods. It was the third time an exceptionally violent tornado had struck the city in 14 years. Yet predicting when and where these killer storms will hit still poses a huge challenge.
