"We haven't had much business, but we're in a concrete building, so we're really fine, " said James Thrasher, whose father owns the Fat Elvis Diner.

WSJ: Twisters Blast Oklahoma

"We haven't had much business, but we're in a concrete building, so we're really fine, " said James Thrasher, whose father owns the Fat Elvis Diner in Oklahoma City.

WSJ: Tornadoes Strike Oklahoma, Killing at Least 37