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NOVA Season 31 Episode 15

Hunt for the Supertwister

Scientists, meteorologists and storm chasers try to uncover the secrets of F5 tornadoes, the largest, most powerful and most dangerous on Earth. Included are looks at how funnels form and the devastating 2003 tornado in Moore, Oklahoma, plus "tornado tourists," who pay companies to take them to the ferocious phenomena to see them first-hand.

NOVA Season 31 Episode 15
NOVA Season 31 Episode 15
NOVA Season 31 Episode 15
Mar. 30, 2004