blog posts Is climate change affecting tornado behavior? May 16, 2024 8:45 am by ABC NewsIllinois in the News Share on Facebook Tweet Email Images ABC News (May 13) Robert Trapp, a professor of atmospheric sciences at the U. of I., says there's been 'a decline in the number of tornado days per year' but an 'incline in the number of tornado outbreaks.' Share on Facebook Tweet Email