Back to ATM110 Links General Useful links NEXRAD Doppler RADAR site Thunderstorms Greg Thompson University of Illinois Lecture Notes Storm Chasers Site Rainbows and Atmospheric Optics General Links Site Greg Thompson General Optics Netherlands Site University of Illinois Atmospheric Optics Site Rainbow Animation of Light Rays in Rain Drops Halo Pictures Tornados Tornado Resources Prof. Fujita & the Fujita Scale for Tornadoes Greg Thompson The Spencer Tornado from NOAA web site TORRO-a Tornado Research Organization from U.K., also has a severity scale definition Lightning New Mexico Tech Lightning & Electrification Studies Greg Thompson Lightning Pictures and Explanations Clouds Greg Thompson Plymouth State University updated 09/17/03