University of Illinois
University of Illinois Urbana Champaign: Severe Storms
This site talks about severe storms. Topics include the dangers of thunderstorms, types of thunderstorms, components of thunderstorms, tornadoes, and modeling.
University of Illinois
University of Illinois: Hunt for the Supertwister
Find out how computer generated tornado models are being used to understand the formation of the rare super twisters. You can view a video of the computer model and view the same footage in a slide format which has detailed explanations.
University of Wisconsin
The Why Files: Twister: The Tornado Story
The Why? Files, provided by the University of Wisconsin provides a discussion of tornadoes and the environmental conditions that generate them. Includes some great pictures of the formations of the whirlwinds. Also includes a link to a...
Science Struck
Science Struck: Life Cycle of a Tornado
Describes the three stages of a tornado's life cycle.