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 ...

First EF5 tornado to strike the US in over a decade just confirmed by experts

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

Rare EF-5 tornado confirmed in North Dakota: Has New York ever seen one this strong?

A twister that touched down in June was recently confirmed to be a rare EF-5 tornado. New York has seen its share of strong ...

Mile-wide tornado that hit North Dakota in June was a monster EF5, the first in 12 years

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