Here's how the classification system works. RELATED ... Here's a compilation of photos and video of the Wisconsin tornado last night, and its aftermath ...

Last June 11 Tim Samaras and two colleagues did the near impossible—they chased down a tornado and placed a probe ... precisely 2:23 p.m. the team caught images that have—in a breakthrough ...

Another user on X posted a video of the tornado, which was reposted by Harris County meteorologist Jeff Lindner. Videos posted to social media show the funnel cloud seemingly hovering over ...

A picture of a man in Canada calmly mowing his lawn with a menacing tornado swirling in the background has gone viral on social media. Theunis Wessels was "fully aware" of the twister but "wasn't ...