Encyclopedia article on the April, 1974 tornado outbreak which spawned the largest number of tornadoes ever recorded.

Encyclopedia article about the 1979 tornadoes that struck Wichita Falls, Texas and other towns in Texas and Oklahoma.

Encyclopedia article about the 1970 Texas tornado.

Compilation of articles in the encyclopedia about tornadoes.

A searchable database of storm events from the National Climatic Data Center.

A few articles summarizing waterspout formation, location, and safety.

Information about tornadoes in the United Kingdom.

Scientific America's in-depth look at tornadoes, including multimedia simulations on how they develop.

Features tornado videos, links for tornadoes, kids corner, and storm talk

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 posters.

This site has links to news and information about tornadoes.

Searchable database of all US tornadoes from 1950-2006. Includes statistics and maps for every tornado, including path information. Read eyewitness accounts or submit your own.

General Information on tornadoes, which includes safety tips and terminology page.

Twisters, tornadoes and Storm photos with educational information.

Independent and privately supported research body in the United Kingdom focusing on tornadoes and severe local storms.

Extreme Tornado Videos, facts, photos, and myths

Roger Edwards of the Storm Prediction Center presents basic Frequently Asked Questions and the answers about tornadoes.

Tornadoes, weather watchers, fact sheet statistics for every state, and links to the Disaster Center states pages.

Rare photographic collection of waterspouts and home page for GARYK and his unique scenic photography.

A chronologically organized list of links to reports on and photos of individual tornado and other severe weather events.

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.

A tornado is one of the most spectacular and destructive forces in nature. NOAA examines the economics, social benefits and cost mitigation of tornadoes.

Information about tornadoes from the National Weather Service.