Wed, 04/11/2012 - 9:00pm

In April 2011, the worst tornado outbreak in decades left a trail of destruction across the U.S., killing more than 360 people. Why was there such an extreme outbreak? How do such outbreaks form? With modern warning systems, why did so many die? Is our weather getting more extreme — and if so, how bad will it get? Learn how we all can protect ourselves and our communities in the future.

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