A storm scientist explains what's been driving deadly tornado outbreaks and how tornado season has been changing.

Some meteorologists and tornado researchers believe the region dubbed “tornado alley” is beginning to shift east.

The sky churns a sickly green, the wind howls like a freight train, and the air practically buzzes with tension. For millions ...

stretching from Illinois to Mississippi. Winter tornadoes have become more frequent over the eastern United States, from the southeast, dubbed Dixie Alley for its tornado activity in recent years ...

Winter tornadoes have become more frequent over the eastern U.S., from the Southeast, dubbed Dixie Alley for its tornado activity in recent years, to the Midwest, particularly Kentucky ...

So, we have sort of a "new" Tornado Alley...although this, too, is nothing official. Take a look at this study from Northern Illinois University. In meteorology, we sometimes use what's called the ...

Mississippi/Alabama, and the area from Northeast Arkansas through Missouri, Illinois, Kentucky, and Indiana. None of these areas are in Tornado Alley. Though Mississippi, Alabama, Illinois ...

An increase in tornado frequency was noted in portions of Mississippi, Alabama, Arkansas, Missouri, Illinois ... believe the term "tornado alley" is misleading all together, as violent tornadoes ...

A crucial National Weather Service office, battered by cuts, is trying to put on a brave face as tornado season peaks.

Typically, tornado alley is loosely defined as a significant ... Arkansas, Louisiana, Illinois, Iowa, Tennessee, Kentucky, Mississippi, and even as far east as Alabama and Ohio.