PBS Nova - S39E17 - Deadliest Tornadoes

"In 2011, the worst tornado season in decades left a trail of destruction across the U.S., killing more than 550 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? In this NOVA special, we meet scientists striving to understand the forces at work behind last year's outbreak. Could their work improve tornado prediction in the future? We also meet people whose lives have been upended by these extreme weather events and and learn how we all can protect ourselves and our communities for the future."

File: PBS.Nova.-.S39E17.-.Deadliest.Tornadoes.mp4 (321MB, 53:59)
Resolution: 718x480 (native DVD), 16:9 aspect ratio
Audio: AAC 48kHz 128kb/s stereo
Video: H-264 MPEG-4, 29.97fps
Subtitles: English CC
Encoding: Handbrake, RF=25
Originally broadcast: 2012-Apr.-11

Notes:

- Not to be confused with the more recent S40E20 "Oklahoma's Deadliest Tornadoes" which can be found here: http://thepiratebay.sx/torrent/8532148/PBS_NOVA_2013_Oklahomas_Deadliest_Tornadoes_720p_x264_AAC_MVGrou

- Wikipedia calls this episode S38E10 (all of their episode numbers seem to differ from here.)

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