Meteorology electronic textbook
http://www.atmos.uiuc.edu/covis/modules/html/module.html

Try looking through the section on thunderstorms, supercells and tornadoes.
This is a very detailed discussion and may go into greater depth than you
care to pursue, but if you're interested in these types of storm systems
you'll find it highly informative.

Some of the following sites have interesting stories and pictures filed by 
storm chasers in the midwest.

http://cc.usu.edu/~kforsyth/Tornado.html
http://java.meteor.wisc.edu/ftp/torngifs/report.html
http://www.atd.ucar.edu/rsf/VORTEX95/images/tall_tornado.html
http://www.public.iastate.edu/~atmos/homepage.html
http://www.infi.net/~cwt/storms.html
http://www.nssl.uoknor.edu/personal/Doswell/Tornadostuff.html
http://www.nssl.uoknor.edu/personal/Doswell/photo.html?17,17
http://taiga.geog.niu.edu/chaser.html
http://taiga.geog.niu.edu/chaser/photo.html
http://www.sirs.com/partner/snow/snow595/snow595.htm
http://www.typhoon.org.hk/http://www.ssec.wisc.edu/data/index.html#special
http://www.ssec.wisc.edu/data/index.html#special
http://www.ncdc.noaa.gov/pub/data/images/olimages.html
http://www.ncdc.noaa.gov/pub/data/images/blizzard-96-avhrr-snow.gif
http://thunder.atms.purdue.edu/hurricane.html
http://cloud.ssec.wisc.edu/tropic/tropic.html
http://www.nhc.noaa.gov/index.html
http://www.sims.net/links/hurricane.html

Electronic atlas of storm tracks:
http://www.giss.nasa.gov/cgi-bin/storms1

Visit this site and look at the seasonal patterns of storm activity. After looking at the average conditions
for each season, select particular years and seasons and look at both the seasonal statistics and the
storm tracks themselves. How would you explain the general seasonal shifts in pattern, and how would
you explain the change in paths followed by storms in different seasons?

NASA advanced visualizations
http://globe.gsfc.nasa.gov/globe/sample/advanced.html

Visit this site for a perspective view of Hurricane Andrew in 1992, particularly the animation.

El-Nino theme page:
http://www.pmel.noaa.gov/toga-tao/el-nino/home.html

Visit this site for an illustrated, well-written explanation of El Nino/Southern Oscillation and its global effects.
If you feel ambitious, try selecting an El Nino and a non-El Nino year; then go back to the electronic atlas
of storm tracks and compare summer or winter tracks between the two years.

http://www.datasync.com/~farrar/clim.html
http://climate.konza.ksu.edu/region.html
http://kaos.erin.gov.au/database/WWW-Fall94/species_paper_new.html
http://amazon.sr.unh.edu/pathfinder/index.html
http://theory.tifr.res.inl~sgupta/others/monsoon.html