Strong tornadoes, winds up to 70+ mph and large hail are potential threats from a cluster of severe storms.

It might seem strange to talk about tornadoes just as the coolest air of the season so far arrives, but a powerful tornado has grabbed headlines this week. A twister that touched down in June was ...

New research shows how advanced weather models can warn about tornado danger earlier and help communities prepare with more time.

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 U.S. twister with an EF-5 rating in ...

Add Yahoo as a preferred source to see more of our stories on Google. A deadly tornado that tore across southeastern North Dakota this summer has been upgraded to an EF5 with winds topping 200 mph ...

Most tornadoes in Oklahoma occur in the spring, but tornadoes can happen every month of the year, including January. Oklahoma averages less than 1 tornado during the month. While January is not the ...

WASHINGTON — An EF5 tornado struck North Dakota this year, the National Weather Service confirmed Monday, marking the first tornado of that strength in more than a decade on American soil. The ...

A deadly tornado that tore across southeastern North Dakota this summer has been upgraded to an EF5 with winds topping 200 mph, the strongest classification of tornado and the first on American soil ...

A deadly tornado that tore across southeastern North Dakota this summer has been upgraded to an EF5 with winds topping 200 mph, the strongest classification of tornado and the first confirmed on ...