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Special Report

Tornado Alley: Twister Devastates Oklahoma City Suburb

What measures can be taken to better protect against dangerous weather?

Getting to the Core of Twisters

In VORTEX2, the largest scientific study of tornadoes, scientists are trying to understand just what causes a twister to form. It's more complicated than you might think. Christie Nicholson reports...

June 23, 2009

The Science of Tornadoes

How funnels form, what drives tornado activity, and what scientists are doing to better understand them--our collection of articles, video and podcasts explain the basics

April 18, 2011
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