The nation's longest "drought" for the most extreme type of tornado has come to an end, scientists from the National Weather Service announced.

The tornado that ended the 12-year gap actually hit back in June, but new damage analysis has upgraded a deadly twister initially categorized as an EF3 near Enderlin, North Dakota. Now it is considered an EF5, the most dangerous category, with wind speeds estimated at 210 mph.

The tornado was more than a mile wide, sent train cars airborne and killed three people. It is the nation's first EF5 tornado since one hit Moore, Oklahoma, on May 20, 2013.

The period between the Moore and Enderlin tornadoes is the longest for the worst type of tornado since the beginning of official records in 1950.

What is an EF5 tornado?

An EF5 rated tornado has wi

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