How above-ground tornado shelters can be safe!

"Popular opinion in many parts of the country is that when a tornado is bearing down on a community, the only safe place to take shelter is below ground. Joseph has found that this flies in the face of 15 years of research done at Texas Tech University's National Wind Institute investigating the safety of above-ground storm shelters. He discusses findings from the Moore, OK, tragedy as well as several additional benefits of above-ground shelters. In addition, he shows video of TTU's Debris Impact Facility firing 15-pound, 2" by 4" wood beams at 100 mph to show what tornadic debris can do to a normal home and how a storm shelter keeps occupants safe."