1979 Red River Valley tornado outbreak

Destruction in Wichita Falls, Texas after the tornado.

The 1979 Red River Valley tornado outbreak was a tornado event that occurred on April 10, 1979 near the Red River Valley. It is noted for the F4 tornado that hit Wichita Falls, Texas and is commonly referred to as "Terrible Tuesday" by many meteorologists. Additional tornadoes were reported across the Southern Plains as well as in the Mississippi River Valley on April 10-April 11, 1979.

• http://en.wikipedia.org/wiki/1979 Red River Valley tornado outbreak