A rare, monstrous EF5 tornado that struck the United States more than three months ago was the first of its kind in more than a decade, experts announced Monday. A tornado that roared through part of ...

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 ...

A deadly tornado that tore across southeastern North Dakota this summer has been upgraded to an EF5 with winds topping 200 mph (322 kph), the strongest classification of tornado and the first ...

A deadly tornado that tore across North Dakota this summer has been upgraded to an EF5 with winds over 200 mph, the strongest classification of tornado and the first on American soil in 12 years, ...

A deadly tornado that ripped through a rural city in North Dakota in June has been upgraded to an EF-5, the National Weather Service said Monday, marking the first U.S. twister with an EF-5 rating in ...

The deadly tornado that struck Enderlin, North Dakota, in June has been classified as an extremely rare EF-5 storm, the first to hit the United States in 12 years. After a tornado strikes, the NWS ...

SIOUX FALLS, S.D. (AP) — A deadly tornado that tore across North Dakota this summer has been upgraded to an EF5, the strongest kind of tornado and the first one on American soil in twelve years. The ...