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

A deadly tornado that tore across North Dakota this summer has been upgraded to an EF5 with winds over 200 mph, the strongest ...

Initially, this tornado was rated an EF3. But due to work from the Northern Tornadoes Project of Western University in ...

It is now the first EF5 tornado in this decade. The last EF5 recorded in the United States was the May 20, 2013, EF5 that devastated Moore, Oklahoma. In Kansas, the Greensburg tornado was also rated ...

A powerful tornado struck Enderlin, North Dakota, on June 20, causing significant damage and leading to a rare EF5 classification after new research. Here's what went into the new research that led to ...

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 ...

WASHINGTON — An EF5 tornado struck North Dakota this year, the National Weather Service confirmed Monday, marking the first tornado of that strength in more than a decade on American soil. The ...

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

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 ...