Tornado damage - Photo Gallery 130/182

David Johnson checks out his houseboat at Island Cove Marina Friday, March 2, 2012 in Ooltewah, Tenn. Powerful storms stretching from the Gulf Coast to the Great Lakes flattened buildings in several states, wrecked two Indiana towns and bred anxiety across a wide swath of the country in the second powerful tornado outbreak this week. (AP Photo/Chattanooga Times Free Press, Angela Lewis) MANDATORY CREDIT ORG XMIT: TNCHA107