The most rare and extreme form of tornado struck eastern North Dakota in June, but experts just determined how strong it really was.

The nation's longest "drought" between EF5 tornadoes has come to an end, scientists from the National Weather Service ...

NORTH DAKOTA Deadly tornado classified EF5 A deadly tornado that tore across southeastern North Dakota this summer has been ...

AUSTIN (KXAN) — A 12-year “drought” of EF5 tornadoes has ended, after the National Weather Service upgraded a tornado in North Dakota to EF5 status. The tornado touched down near Enderlin, North ...

ENDERLIN, N.D. (FOX 9) - A deadly tornado in Enderlin, North Dakota, on June 20 has been upgraded to an EF5, marking the first EF5 tornado in the United States in 12 years.

The National Weather Service on Wednesday confirmed an EF1 tornado caused damage in Lindale.  The storm system had winds of ...

The last recorded EF5 tornado was on May 20, 2013, in a town outside Oklahoma City, killing 24 people and injuring more than 200 others. That tornado tore through hundreds of homes, a school, hospital ...

A deadly tornado that tore across southeastern North Dakota this summer has been upgraded to an EF5 with winds topping 200 mph, the strongest classification of tornado and the first confirmed on ...