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Tornadoes

By Hopel. Tornadoes. Where tornadoes occur. Tornadoes typically occur in the states between the Rocky Mountains and the Appalachian Mountains . How often tornadoes occur. 2011 tornadoes 2010 tornadoes Tornadoes typically happen in spring. Ingredients of a Tornado. Warm, dry air

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Tornadoes

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  1. By Hopel Tornadoes

  2. Where tornadoes occur • Tornadoes typically occur in the states between the Rocky Mountains and the Appalachian Mountains

  3. How often tornadoes occur 2011 tornadoes2010 tornadoes Tornadoes typically happen in spring

  4. Ingredients of a Tornado • Warm, dry air • Warm, moist air • Cold, dry air • A hill or inclined plane to make the air go up

  5. What happens in a tornado? • The two airs collide and go upward • As they collide they start spinning • A funnel forms

  6. Extreme Conditions • Winds over 250 mph • 220 miles in destruction • People trapped under rubble

  7. How do we measure tornadoes? We measure tornadoes with the Enhanced Fujita Scale.

  8. Aftermath • Tornadoes leave miles of destruction

  9. Key terms • Funnel • Wall cloud • Anvil • Storm cell • Also can have rain or hail

  10. Other Facts • Tornadoes are the most deadly windstorms • Sometimes the sky turns greenish when tornadoes occur • Tornadoes get black from the debris it carries • Tornadoes are very popular in the United States but are common in China • About 1% of thunderstorms are capable of creating a tornado

  11. Thanks • ({{Information |Description=One of several tornadoes observed by the en:VORTEX-99 team on en:May 3, en:1999, in central en:Oklahoma. Note the tube-like condensation funnel, attached to the rotating cloud base, surrounded by a transluce) • http://www.spc.noaa.gov/climo/online/monthly/newm.html • Video from Youtube • "Tornado." World of Earth Science. Ed. K. Lee Lerner and Brenda Wilmoth Lerner. Detroit: Gale, 2011. Gale Science In Context. Web. 8 Feb. 2012. • http://www.weathertrends360.com/Blog/Post/Blizzard-Alley-Meet-Tornado-Alley-777

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