Discovery Channel: Storm Chasers
You don't want to miss the fierce -- but mostly friendly -- competition for the most tornado encounters. Airs only on the Discovery Channel, Sundays at 10 p.m. ET/PT.
PBS Online News Hour: Tornado Science
Scientists from the Center for Severe Weather Research track storms in western Kansas' "Tornado Alley" to improve their understanding of the process of tornado formation. Streaming Audio presentation, as well as segment transcript.