Four tornadoes struck Jacksonville, damaging homes, a sports complex and powerlines, as part of a larger Illinois storm ...

As for the numbers on the scale, those describe the wind speed for tornadoes, and it uses 28 damage indicators (DIs), such as ...

Nature's fury pockmarked portions of Pike, Morgan and Cass counties as a storm system made its way across the Midwest.

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