The National | Aug 28, 2011 | 1:16

Tracking Irene

Meteorologist Claire Martin tracks the tropical storm Irene and explains what weather conditions Canadians can expect in the coming days.

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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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