The National Weather Service said the EF5 twister in North Dakota packed winds stronger than 200 mph, underscoring risks that ...

Tornadoes rated EF5 are inconceivable. They raze the Earth with winds exceeding 200 mph, sweeping foundations bare and ...

A deadly tornado that tore across southeastern North Dakota this summer has been upgraded to an EF5 with winds topping 200 ...

After 12 years, the U.S. has its first EF5 tornado. Meteorologist Andrew Stutzke breaks down why this could mean other ...

Meteorologists said this week that a deadly tornado in North Dakota this summer has been upgraded to a top-of-the-scale EF5, ...

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

The June 20 tornado near Enderlin, North Dakota, has been upgraded to EF5, the first in the US since 2013. With winds over ...

The storm, which killed three people and tossed train cars hundreds of feet, was nearly a mile wide and carved a 12-mile path ...

The first EF5 tornado was confirmed in North Dakota, here's a history and the last F5 tornadoes to hit Michigan.

A deadly tornado that tore across southeastern North Dakota this summer has been upgraded to an EF5 with winds topping 200 ...

A deadly tornado that tore across southeastern North Dakota this summer has been upgraded to an EF5 with winds topping 200 ...

Since the National Weather Service began using Enhanced Fujita scale in 2007, there have been 10 tornadoes categorized as EF5 ...