Works Cited 
Goldenberg, Janet. Weird but True. New York: Harpercollins Publishers, 1997.
Nash, Madeleine. “Unraveling the Mysteries of Twisters.” Time 20 May 1996. 28 Nov. 2000 <http://www.time.com/time/magazine/archive/1996/dom/960520/cover.html>.
Spaulding, Nancy E., and Samuel N Namowitz. Heath Earth Science. Evanston: D.C. Heath and Company, 1999.
The Tornado Project. Tornado Project online. 28 Nov. 2000 <http://www.tornadoproject.com/>.