NOVA

Hunt for the Supertwister

Season 31 Episode 7 | 52m 36s Video has closed captioning.

Tornado-chasing scientists with an eye to better forecasting risk their lives to plumb the secrets of nature's most terrifying killer.

Aired: 03/29/04

Expired: 12/15/15

Rating: TV-PG

Problems Playing Video? | Closed Captioning

Original funding provided by Microsoft, Sprint, the Park Foundation, the Corporation for Public Broadcasting, PBS Stations