Violent tornadoes ripped through parts of the U.S., wiping out schools and toppling semitractor-trailers in several states.

“Severe thunderstorms are possible across parts of the Pacific Northwest on Wednesday afternoon and evening. A more probable ...

“And so what that is doing is producing really substantial impacts over a very large area.” The National Weather Service said at least five tornadoes were reported in Missouri, including one ...

Several states in the south-east of the United States have been hit by big tornadoes this weekend ... This is when rain falls really quickly and intensely with not enough time to drain away.

It's really not that closely linked to climate ... Realistically, if you're going to get big tornadoes, it'll be over Mississippi or Alabama this time of year. That said, we do know that ...