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

A 12-year "drought" of EF5 tornadoes has ended, after the National Weather Service upgraded a tornado in North Dakota to EF5 ...

Tornado experts upgraded the deadly June 20 North Dakota twister to the rarest, strongest rating: EF5. With winds over 210 mph, it's the first in the U.S. in years.

Three people were killed in the tornado, which produced 210 mph winds, leveling homes and tossing fully-loaded box cars.

This is an F5 tornado, and it’s one of nature’s most destructive forces. Could you survive being sucked in? Yeah, imagine getting scooped up like a meat-puppet. Swirling like a ragdoll at over 480 ...

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