blog posts Study: Winter tornadoes to get more powerful as world warms Dec 15, 2021 9:00 am by Associated PressIllinois in the News Share on Facebook Tweet Email Images The Associated Press (Dec. 14) Nasty winter tornadoes are likely to be stronger and stay on the ground longer with a wider swath of destruction in a warming world, says study author Jeff Trapp, the head of atmospheric sciences at the U. of I. Share on Facebook Tweet Email