June 3, 2013—Tim Samaras spent more than 30 years researching tornadoes. Samaras submitted this footage to National Geographic in the weeks leading up to his death, as part of his last storm-research expedition. His son Paul and fellow storm chaser Carl Young also died in the El Reno, Oklahoma, tornado.
About National Geographic:
National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what’s possible.
More National Geographic:
Official Site: http://bit.ly/NatGeoOfficialSite