Deadliest Tornadoes -
nova

In April 2011, the worst tornado outbreak in decades left a trail of destruction across the U.S., killing more than 340 people. Why was there such an extreme outbreak? How do such outbreaks form? With modern warning systems why did so many die? Is our weather getting more extreme -- and if so how bad will it get? This episode of NOVA looks at the science behind the April outbreak, meeting those affected and the scientists trying to predict tornadoes and understand whether this outbreak relates to global climate change.

Duration: 56 minutes and 46 seconds

Episode Number: 3910

No future air times were found for this episode.

About Nova:

PBS' premier science series helps viewers of all ages explore the science behind the headlines.

Along the way, NOVA programs demystify science and technology and highlight the people involved in scientific pursuits.

Watch Nova - Clips, Episodes & Previews

Deadliest Tornadoes Preview

Profile: Andre Fenton

What's the Next Big Thing? Preview

Change Blindness

Human Hibernation

Profile: Jason Leigh

Future Broadcast times for "Nova": (show all)

Sun, Apr 12	8:00 P.M.	Your Brain: Who's In Control? NH Explore (11.2)
Mon, Apr 13	12:00 A.M.	Your Brain: Who's In Control? NH Explore (11.2)
Tue, Apr 14	7:00 P.M.	Your Brain: Who's In Control? NH World (11.3)
Wed, Apr 15	12:00 A.M.	Your Brain: Who's In Control? NH World (11.3)
Wed, Apr 15	8:00 A.M.	Your Brain: Who's In Control? NH World (11.3)
Wed, Apr 15	9:00 P.M.	Return to the Moon NHPBS (11.1)
Thu, Apr 16	1:00 A.M.	Return to the Moon NHPBS (11.1)
Fri, Apr 17	4:00 P.M.	Return to the Moon NHPBS (11.1)
Sat, Apr 18	1:00 P.M.	Return to the Moon NH Explore (11.2)
Sun, Apr 19	12:00 A.M.	Return to the Moon NHPBS (11.1)
Sun, Apr 19	4:00 A.M.	Return to the Moon NH Explore (11.2)
Sun, Apr 19	7:00 A.M.	Return to the Moon NHPBS (11.1)
Sun, Apr 19	8:00 P.M.	Return to the Moon NH Explore (11.2)
Mon, Apr 20	12:00 A.M.	Return to the Moon NH Explore (11.2)
Tue, Apr 21	7:00 P.M.	Return to the Moon NH World (11.3)
Wed, Apr 22	12:00 A.M.	Return to the Moon NH World (11.3)