Wikipedia: Super Outbreak
- Encyclopedia article on the April, 1974 tornado outbreak which spawned the largest number of tornadoes ever recorded.
- http://en.wikipedia.org/wiki/Super_Outbreak

Wikipedia: Red River Valley Tornado Outbreak
- Encyclopedia article about the 1979 tornadoes that struck Wichita Falls, Texas and other towns in Texas and Oklahoma.
- http://en.wikipedia.org/wiki/Red_River_Valley_Tornado_Outbreak

Wikipedia: Lubbock Tornado
- Encyclopedia article about the 1970 Texas tornado.
- http://en.wikipedia.org/wiki/Lubbock_Tornado

Wikipedia: List of Tornadoes and Tornado Outbreaks
- Compilation of articles in the encyclopedia about tornadoes.
- http://en.wikipedia.org/wiki/List_of_tornadoes_and_tornado_outbreaks

Lubbock Avalanche-Journal: May 11, 1970 Lubbock Tornado
- Special edition of the newpaper with articles and photographs.
- http://www.lubbockonline.com/tornado/

FEMA - Fact Sheet - Tornadoes
- Tornado safety tips from the Federal Emergency Management Agency.
- http://www.fema.gov/hazard/tornado/

USATODAY.com - Understanding waterspouts
- A few articles summarizing waterspout formation, location, and safety.
- http://www.usatoday.com/weather/tornado/wtspouts.htm

A Waterspout off the Florida Keys
- NOAA image of a rare, visible waterspout spotted in the Florida Keys, with explanatory text.
- http://antwrp.gsfc.nasa.gov/apod/ap050120.html

Nature's Most Violent Storms
- Information about tornadoes from the National Weather Service.
- http://www.nws.noaa.gov/om/brochures/tornado.shtml

Bangladesh and East India Tornado Prediction Page
- A climatology of tornadoes for east India and Bangladesh, and the daily prediction of tornadoes are provided. Surface and upper air charts for historical tornado cases for Bangladesh and India are presented.
- http://www.bangladeshtornadoes.org/

Turn! Turn! Turn!
- Scientific America's in-depth look at tornadoes, including multimedia simulations on how they develop.
- http://www.sciam.com/article.cfm?articleID=00007AD9-70C1-1C76-9B81809EC588EF21

Tahoe Twisters
- Rare photographic collection of waterspouts and home page for GARYK and his unique scenic photography.
- http://www.tahoetwisters.com/

The Online Tornado FAQ
- Roger Edwards of the Storm Prediction Center presents basic Frequently Asked Questions and the answers about tornadoes.
- http://www.spc.noaa.gov/faq/tornado/

Tornado Links
- This site has links to news and information about tornados.
- http://www.sirlinksalot.net/tornado.html

How Stuff Works: Tornado
- Illustrated basics about tornadoes and how they are rated.
- http://www.howstuffworks.com/tornado.htm

Site Assessment of Tornado Threat
- Informational site for Vortek's Site Assessment of Tornado Threat (SATT 3.0) software. Provides the user with a means of quickly and accurately displaying and analyzing tornado data for any portion of the United States, excluding Alaska.
- http://www.tornadothreat.com/TTMain.htm

April 3 1974
- Details on the Super Outbreak of Tornadoes that spawned 148 tornadoes, including thirty F4's and six F5's, in one day.
- http://www.april31974.com/

Tornado Alley
- Twisters, tornadoes and Storm photos with educational information.
- http://www.tornadochaser.net/

Illinois Tornadoes
- Tornado information and links with an emphasis on Illinois.
- http://illiniweather.com/pages/tornados.htm

The Tornado and Storm Research Organisation
- Independent and privately supported research body in the United Kingdom focusing on tornadoes and severe local storms.
- http://www.torro.org.uk/

Weather Reports
- A searchable database of storm events from the National Climatic Data Center.
- http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwEvent~Storms

The Disaster Center Tornado and Severe Weather
- Tornadoes, weather watchers, fact sheet statistics for every state, and links to the Disaster Center states pages.
- http://www.disastercenter.com/tornado.htm

Storm Chase News and Archives
- A chronologically organized list of links to reports on and photos of individual tornado and other severe weather events.
- http://www.k5kj.net/news.htm

Tornado Project Online!
- A company that researches, compiles and makes tornado information available to tornado and severe weather enthusiasts, the public, the meteorological community and emergency management officials in the form of tornado videos, tornado books, and tornado p
- http://www.tornadoproject.com/