Tornadoes are a relatively rare event. Only a tiny percentage of thunderstorms ever go on to produce a tornado. No two twisters are alike—and some of those storms are truly bizarre. From twin ...

June 20 marks 68 years since a massive tornado, which has since been commonly referred to as the “Fargo Tornado” carved a nine-mile path through Fargo and Moorhead.

Sixty-eight years ago, on this date in 1957, North Dakota’s most famous and deadliest tornado tore through the state’s most populous city of Fargo with winds of more than 275 miles per hour.

He then rated the Fargo tornado an F5, the highest level on the scale. That remains one of only two F5s (or EF5s) on record in North Dakota, including a May 29, 1953, twister in Ft. Rice.

Oklahoma Town Devastated by Tornado Razed Before in 1999 Experts predicted a one in 100 trillion chance homes would be struck twice.