[thackney]

The tornado superoutbreak of April 3-4, 1974 resulted in 148 tornadoes in 13 states. Across the United States, 315 people were killed, more than 6,000 injured, and 27,000 families suffered property losses. The Xenia Tornado caused the most deaths of any tornado in the outbreak. In Ohio, 12 tornadoes touched down, killing 36 people.

http://www.ohiohistory.org/etcetera/exhibits/swio/pages/content/1974_tornado.htm

[ClearCase_guy]

1974-75 was about the time they were scaring us with the Coming Ice Age. I don't know that anyone blamed a cooling trend on the 1974 tornado outbreak, but we seem to be in another cooling phase and we seem to be having notable tornadoes.

Maybe Global Warming would be a good thing.

[rellimpank]

—I’d be curious about large “outbreaks” previous to that one, too-—betcha that they have occurred as long as records have been kept—