University of Illinois
University of Illinois Urbana Champaign: Severe Storms Modeling
This site features information on the severe storm computer modeling that meteorologists use to help them study severe storms.
University Corporation for Atmospheric Research
Ucar: Thunderstorms
Right now there are about two thousand thunderstorms going on around the world. While common, they can be dramatic with intense rain, hail, wind, lightning, thunder, and even tornadoes.