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Tornadoes I. Introduction A. Facts 1. Definition 2. Wind Speeds 3. Damage 4. Number Of Tornadoes Per Year 5. Deaths And Injuries B. Types Of Tornadoes 1. Weak 2. Strong 3. Violent C. Average Tornado 1. Variation a. Waterspout 2. Distance Moved D. Frequency Of Tornadoes 1. Southern States 2. Northern States II. Where Tornadoes Come From A. Energy 1. Thunderstorm III. Where And When Tornadoes Occur A. North America 1. Rocky Mountains 2. Appalachian Mountains B. Other Areas Of The World C. Spring And Summer 1. When IV. Damage A. Wind 1. Materials 2. Animals 3. Explosions V. Detection Of Tornadoes A. Doppler Radar 1. SKYWARN VI. Prediction A. Atmospheric Conditions B. Environmental Clues VII. Staying Safe A. Safety Rules To Follow B. Where To Go 1. Storm Shelter 2. Basement 3. Bathroom 4. Closet C. What To Avoid 1. Windows 2. Driving Term Paper Tornadoes Introduction: Facts. A tornado is defined as a violently rotating column extending from a thunderstorm to the ground. The most violent tornadoes are capable of tremendous destruction with wind speeds of two hundred and fifty miles per hour or more. Damage paths can be in excess of one mile wide and fifty miles long. In an average year, eight hundred tornadoes are reported nationwide, resulting in eighty deaths and over one thousand five hundred injuries. Types Of Tornadoes. The average tornado is usually split up into categories based on the strength of the tornado. Most tornadoes, about sixty nine percent (69%), are considered weak, which means they usually last between one minute and ten minutes, have winds less that one hundred and ten ... ... middle of paper ... ...r being lifted into the funnel. One of the most dangerous places during a tornado is in an automobile so get out as soon as possible! Bibliography: Bibliography Tornadoes Rosenfeld, Jeffrey O.; Eye of the Storm: Inside the World's Deadliest Hurricanes, Tornadoes, and Blizzards; Harpercollins Trade Sales Dept, January 1999 Robinson, Andrew; Earth Shock: Hurricanes, Volcanoes, Earthquakes, Tornadoes and Other Forces of Nature; Thames & Hudson Ltd., September 1993 Tufty, Barbara; 1001 Questions Answered about Hurricanes, Tornadoes, and Other Natural Air Disasters; Dover Publications, Incorporated, August 1987 Verkaik, Arjen; Under the Whirlwind; Whirlwind Books, March 1998 Miller, Norman; "How A Whirlwind Works"; Geographical Magazine, June 1999 Compton's Encyclopedia Online; SKYWARN Online;

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