It may be hard to believe that with an average of 1,200 tornadoes each year in the United States, we haven’t seen an EF5-rated twister in more than 11 years. But that doesn’t mean the number of ...

Some might think the Enhanced Fujita (EF) Scale is basically the same as the original Fujita (F) Scale, but Big Country ...

Two weak tornadoes touched down in a rural area northeast of Edmonton on an evening when a severe thunderstorm swept across Alberta. The storms on Monday, May 26, started in the Alberta foothills ...

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 ...