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.

Long-term research plus recent severe weather outbreaks serve as reminders that tornadoes happen quickly, without warning, ...

Typically, tornado alley is loosely defined as a significant portion of the Midwest and South, including large parts of Texas, Oklahoma, Kansas, Nebraska and Oklahoma. In some maps, portions of ...