Saturday, January 29, 2011

Facts About Tornado - strangefacts

  • In 1974 there were 90 tornadoes in the U.S. in one day
  • Tornadoes can and do form at any time of the day and year
  • Over the last 50 years in the United States, approximately 9,000 people have died as a result of tornadoes, 5,000 as the result of floods, and 4,000 as the result of hurricanes
  • A tornado forms when changes in wind speed and direction create a horizontal spinning effect within a storm cell. This effect is then tipped vertical by rising air moving up through the thunderclouds.

  • Today the average warning time for a tornado alert is 13 minutes.
  • Violent tornadoes comprise only about two percent of all tornadoes, but they cause 70 percent of all tornado deaths and may last an hour or more.
  • "Tornado Alley," a region that includes eastern South Dakota, Nebraska, Kansas, Oklahoma, northern Texas, and eastern Colorado, is home to the most powerful and destructive of these storms. U.S. tornadoes cause 80 deaths and more than 1,500 injuries per year.
  • The tornado in The Wizard of Oz was a 35 foot long muslin stocking
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