According to his study, there were 30 F4 and F5 tornadoes during that outbreak. All told, the outbreak caused 335 deaths and more than 6,000 injuries. And Pulaski County contributed to those ...

At the time the largest and deadliest in U.S. on record. The two-day tornado outbreak produced 148 tornadoes across 13 states. 21 in Indiana. There were 30 violent tornadoes rated then F4 and F5.

One of the state's deadliest tornadoes in history, the 1974 Xenia F5 tornado, occurred in Southwest Ohio. How do tornadoes form?

In the nation's long history of tornado outbreaks, two of them stand atop all others as super outbreaks. One of these happened on April 3, 1974, 51 years ago today. In just 24 hours, a rash of 148 ...

The worst tornado in Ohio was about an hour and a half away from Lancaster, the Xenia F5 tornado on April 3, 1974, that took 34 lives.