Please select another video.
New tornado and flood threats as severe storms blast central U.S.
Some 12 million people are at risk of severe weather tonight, with flood watches in effect in nine states from Texas up through Illinois, and new tornado threats after reports of at least 25 possible tornadoes causing damage across five states on Tuesday.
Simple explanations to complicated weather questions.
NBC News Weather takes you up close to some of the planet’s strongest tornadoes.