
How 2011 Became a 'Mind-Boggling' Year of Extreme Weather
Clip: 12/28/2011 | 10m 32s
How 2011 Became a 'Mind-Boggling' Year of Extreme Weather
From snowstorms to floods and tornadoes, severe weather wreaked havoc across the United States this year, with 2011 marking far more extreme weather events than a typical year. Hari Sreenivasan discusses the science behind this year of extreme weather with NOAA's Kathryn Sullivan and Weather Underground's Jeff Masters.
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Problems playing video? | Closed Captioning Feedback
Major corporate funding for the PBS News Hour is provided by BDO, BNSF, Consumer Cellular, American Cruise Lines, and Raymond James. Funding for the PBS NewsHour Weekend is provided by...

How 2011 Became a 'Mind-Boggling' Year of Extreme Weather
Clip: 12/28/2011 | 10m 32s
From snowstorms to floods and tornadoes, severe weather wreaked havoc across the United States this year, with 2011 marking far more extreme weather events than a typical year. Hari Sreenivasan discusses the science behind this year of extreme weather with NOAA's Kathryn Sullivan and Weather Underground's Jeff Masters.
Problems playing video? | Closed Captioning Feedback
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