The United States sees more tornadoes than anywhere else on Earth, but some of the deadliest have struck countries thousands ...

Meteorologists said this week that a deadly tornado in North Dakota this summer has been upgraded to a top-of-the-scale EF5, and was the first on American soil in 12 years.

America has faced devastating tornadoes throughout its history. The Tri-State Tornado of 1925 remains the deadliest. Many of ...

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.

A monstrous tornado that tore through eastern North Dakota more than three months ago has been officially upgraded to EF5 status, making it the first tornado of that magnitude to strike the United ...

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 on ...

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

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 ...

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 ...