A tornado warning will tell you specifically what prompted it to be issued. Many are issued based on radar showing rotation, ...

When it comes to severe weather, especially tornadoes, it helps to know how these storms form and what you need to do when ...

Researches found little evidence that tornadoes were getting weaker. Instead, it appears that a subjective tornado grading system is to blame.

A tornado watch is in effect for a large swath of the Chicago suburbs and Northwest Indiana as a line of severe storms ...

At least four tornadoes touched down in western Pennsylvania on Sunday as severe storms swept across the region, according to ...

One such tornado in Mississippi triggered a tornado emergency, the most urgent type of tornado warning, after radar indicated it was launching debris five miles into the air. The outbreak follows ...

While the area is under a winter storm warning today, Michigan wants residents this week to think about a different type of severe weather. Gov. Gretchen Whitmer has declared March 16-22 as Michigan’s ...

May 20, 2013, marks the last time the United States was hit by the worst type of tornado. On that date, a monster EF5 tornado tore a 17-mile path through the Oklahoma City suburbs, creating "40 ...