At least three people have died in Missouri after a powerful system of storms swept across the central part of the United ...

Big Picture: What Prompts A Tornado Warning ... It was for a tornado that caused F5 damage just south of Oklahoma City. Wedge tornado on May 3, 1999, near Bridge Creek, Oklahoma.

The line of storms should weaken as it overspreads the region early Saturday morning but scattered pockets of damaging winds, heavy rain, and a low-end chance for spin-up tornado are still a ...