The U.S.'s strongest tornado in 12 years hit North Dakota in June, National Weather Service says

A deadly tornado that ripped through a rural city in North Dakota in June​ has been upgraded to an EF-5, the National Weather Service said Monday, marking the first twister with an EF-5 rating in 12 ...
The Joplin Globe

EF5 tornado that killed 3 in North Dakota was the nation's first in 12 years

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

North Dakota’s June tornado upgraded to EF5 — the first in America since 2013

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