Including additional tornadoes that day, at least 747 people were killed and 2,298 were injured, making the Tri-State Outbreak the deadliest tornado outbreak and deadliest tornado day in U.S. history.
Including additional tornadoes that day, at least 747 people were killed and 2,298 were injured. This makes the Tri-State Outbreak the deadliest tornado outbreak, March 18 the deadliest tornado day, and 1925 the tornado year in U.S. history.