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Monday, November 23, 2009 |
Monday, November 23, 2009 |
Photo: Winter Tornadoes Can Be Faster, Deadlier, Experts SayScientists say that such winter twisters tend to move faster, giving people less warning to get out of the way. Photograph by Mike Avery/The Courier/AP
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
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