Are You Looking For? What Causes Hurricanes How Do Tornadoes Form Where Do Tornadoes Occur Where Are Tornadoes Most Common... How Wide Can a Tornado Be at the... Exactly Causes a Tornado Cause Effects of a Tornado Parts of Tornado	1. Episode Descriptions Tornado Diary We see how scientists from the nearby University of Oklahoma, eager to improve their knowledge of what... http://www.bbcprograms.com/pbs/catalog/tornadodiary/tornadodesc.ht... (Google) 2. Tornadoes...Nature's Most Violent Storms Includes safety information, tornado facts and causes, and photos. ... What causes tornadoes? ... Flying... http://www.nssl.noaa.gov/edu/safety/tornadoguide.html (Yahoo! Search) 3. Weather for Dummies: John D. Cox: Amazon.co.uk: Books Discover how to: Identify cloud types Understand what causes tornadoes to form Avoid danger during... http://www.amazon.co.uk/Weather Dummies John D Cox/dp/0764552430... (Google) 4. WorldWaterWorks What causes Tornados? select icon! Earthquakes. What causes earthquakes? select icon! Tsunami. How... http://www.worldwaterworks.org/interest.html (Google) 5. HowStuffWorks "How Tornadoes Work" Tornadoes leave destruction in their wake. Learn why tornadoes rotate, how experts rate tornadoes and... http://www.howstuffworks.com/tornado.htm (Yahoo! Search) 6. USATODAY.com USATODAY.com Latest News ... A basic guide to what causes tornadoes. By Jack Williams, USATODAY.com ...... http://www.usatoday.com/weather/wtwist2.htm (Yahoo! Search) 7. What Causes Clouds? | InterSites Tornadoes ... What Causes Clouds? Clouds are formed when the invisible water vapour in the air ...... http://www.intersites.co.uk/81721/ (Google) 8. Sky Diary KIDSTORM * facts about tornadoes What causes tornadoes and how they are measured. ... TOPICS: what causes a tornado? ... It's hard to... http://skydiary.com/kids/tornadoes.html (Yahoo! Search) 9. What causes gravity, black holes, dark matter, aether theory Fundamental matter is like an energy version of a tornado. .... What energy mechanism causes magnetism... http://www.simplegravity.com/ (Google) 10. Science What is a tornado? What causes a tornado? How are tornadoes classified? Other Tornado like phenomena;... http://www.oup.com/us/companion.websites/naturalhazards/meteor/tor... (Google) 11. What Causes a Tornado? Tornadoes Forces of Nature Low gray clouds loom in the distance. Suddenly, a tail descends from one of them, and twists itself into... http://library.thinkquest.org/C003603/english/tornadoes/causesofto... (Yahoo! Search) 12. Severewx.co.uk:: Severe weather throughout the United Kingdom Not all tornadoes form in cumulonimbus clouds. What Causes a Tornado ? There are several different... http://www.severewx.co.uk/tnfaq.shtml (Google) 13. On the Trail of Storm Chasers: Scientists Pursue Causes of Tornadoes What causes tornadoes is still largely a mystery. ... But knowledge of what actually causes tornado format... http://news.nationalgeographic.com/news/2001/05/0514_stormchasing.... (Yahoo! Search) 14. The Online Tornado FAQ (by Roger Edwards, SPC) ... presents basic Frequently Asked Questions and the answers about tornadoes. ... We don't fully understa... http://www.spc.noaa.gov/faq/tornado/ (Yahoo! Search) 15. Ten Freaky Forces of Nature National Geographic Kids 12 Aug 2008 ... Sometimes this self created weather, or microweather, causes swirling tornadoes of... http://kids.nationalgeographic.com/Stories/SpaceScience/Freaky for... (Google) 16. Tornado causes Tornado causes. Question: How are tornadoes caused? ... The falling precipitation causes a downward air... http://www.newton.dep.anl.gov/askasci/gen99/gen99193.htm (Yahoo! Search) 17. tornado definition of tornado by the Free Online Dictionary ... Definition of tornado in the Online Dictionary. Meaning of tornado. Pronunciation of tornado. ... The... http://www.thefreedictionary.com/tornado (Google) 18. What causes tornados? Weather News msnbc.com ... 3. NBC's Bill Karins explains what Mother Nature has in store for ... What do I do about 'honeymoon... http://www.msnbc.msn.com/id/9007188 (Yahoo! Search) 19. What are Waterspouts? Is a water spout a tornado? Learning how tornadoes form could save your life. Would you know what to... http://weather.about.com/od/weathertutorials/f/tornformation.htm?i... (About-UK) 20. CBBC Newsround | World | Find out about tornadoes 7 Dec 2006 ... What causes them? It's all about the weather. A tornado is formed when a warm wind meets... http://news.bbc.co.uk/cbbcnews/hi/newsid_6210000/newsid_6218700/62... (Google)