The National | Dec 31, 2010 | 5:31

Weather: Top Stories of 2010

Claire Martin revisits the most dramatic weather events of the year

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The National - U.S. tornado systemMar 2, 2012 | 0:59The National U.S. tornado system Video
The National U.S. tornado system Mar 2, 2012 | 0:59CBC meteorologist Claire Martin looks at the storm system wreaking havoc on the midwest United States, including tornadoes in Indiana, Illinois and Kansas

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