During the early morning hours of July 5, 1978, a family of tornadoes moved through parts of Norman, Mahnomen,
Event Details
During the early morning hours of July 5, 1978, a family of tornadoes moved through parts of Norman, Mahnomen, Polk and Clearwater Counties in Minnesota. Officially, the SPC Database lists a rating of F2. Thomas Grazulis though has a rating of F3. It was a devastating event that covered 55-60 miles or more (there are discrepancies on the path length). Four fatalities were reported and 40+ injuries.