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 ...

A tornado that killed three people in Enderlin, North Dakota, has been upgraded to an EF5 tornado. This is the first EF5 tornado in the United States in about 12 years. The tornado flipped rail cars, ...

In 1974, the small Alabama town of Tanner was struck by two EF5 tornadoes only half an hour apart. Entire neighborhoods were ...

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 ...

The National Weather Service on Monday upgraded a deadly tornado that ripped through a small North Dakota city in June to an EF5, marking the first U.S. twister with that rating since 2013.

Damage surveys released late Wednesday night reveal more details about the two tornadoes that struck East Texas on Tuesday ...

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 on American soil ...

EF5 tornado that killed 3 in North Dakota was the nation's first in 12 years Meteorologists say a deadly tornado in North Dakota this summer has been upgraded to a top-of-the-scale EF5, and was the ...