The Tri-State tornado was most likely an F5.
The Tri-State tornado was the deadliest, fastest moving, farthest traveling, and possibly the longest-lived tornado in United States history. It occurred on March 18, 1925 traveling 219 miles across...
No. The Tri-State Tornado occurred in 1925. There were no efforts to predict tornadoes until the 1940s.
March 18, 1925.
1925.