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

A tornado outbreak and an epic snowstorm can happen in the U.S. on any spring, fall, even winter day. Here at weather.com we call that a "kitchen sink" pattern, when it seems every weather phenomenon ...

The National Weather Service said the EF5 twister in North Dakota packed winds stronger than 200 mph, underscoring risks that ...

We've discussed May's deserved reputation for both violent tornadoes and large outbreaks. In Texas, two of its worst tornadoes of all time happened in the middle of May, each in one of the state's ...

WARREN — For many of the people who attended the standing-room-only discussion of the 40th anniversary of the May 31, 1985, tornado Saturday at the Warren-Trumbull County Public Library, their ...

ENDERLIN, N.D. — A tornado that killed three people this summer in southeast North Dakota has been reclassified EF5, the most damaging level for a twister. The June 20 tornado that destroyed at least ...

Big, strong, violent tornadoes don't happen that often around here. That all changed on May 31, 1985. At the time, the National Severe Storms Forecast Center noted that the atmosphere was ready for an ...

Experts predicted a one in 100 trillion chance homes would be struck twice. May 21, 2013 — -- For the residents of Moore, Okla., the damage wrought by Monday's E-F5 tornado was all too familiar.

Two historic, extreme weather events separated by just over 100 miles happened on one July day in the upper Midwest. On July 18, 1996, 29 years ago this evening, a violent tornado roared through the ...