Oklahoma National Guard Soldiers and Airmen respond to a devastating tornado that ripped through Moore, Okla., May 20, 2013.
How do you protect yourself from a tornado that reaches 2 miles wide with wind gusts above 200 miles per hour?
When the winds blow that hard, there's little you can do to save your house. But when it comes to protecting yourself and your family, the safest bet is to buy a storm shelter, according to engineering professor Larry Tanner of Texas Tech University's Wind Science and Engineering Research Center.
These structures are usually installed inside or nearby a home and made of reinforced concrete, or even of plywood and steel.
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