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 ...

For the first time since 2013, an EF5 tornado was confirmed in the United States. Yesterday, the National Weather Service in Grand Forks, North Dakota, upgraded the tornado rating of the Enderlin, ...

America’s tornado hot spots shifted once again last year, stretching largely across the South and Midwest, a new AccuWeather assessment found. The findings build on previous observations showing ...

What is Tornado Alley? Find out the states most affected, when tornadoes peak, and how often they strike. In this article, we ...

BIG COUNTRY (KTAB/KRBC) – Some might think the Enhanced Fujita (EF) Scale is basically the same as the original Fujita (F) Scale, but Big Country Meteorologists Carter Vandrasik and Katalina Bell say ...

During the month of May, the United States saw 288 preliminary reports of tornadoes, above the May average of 276 tornadoes. None of these storms were rated as stronger than an EF2, marking the first ...

Add Yahoo as a preferred source to see more of our stories on Google. Last year was another busy one for tornadoes, which included the strongest to strike the United States since 2013. But where the ...