Facts and Fun about Science and Social Studies topics compiled by Drew Dell.

Tornado Facts
  Texas gets the most tornadoes with an average of about 110 tornadoes a year.  
  United States is the country with the highest frequency of tornadoes.  
  Each year there are about 1,200 tornadoes in the United States  
  In the U.S. torndadoes cause about 65 fatalities and 1,500 injuries nationwide.  
  The F-scale was developed in the early 1970s by T. Theodore Fujita  
  The F-scale, which goes from F0 to F5, is the only widely used tornado rating method.  
  Almost 90 percent of tornadoes are weak – F0 or F1 – lasting usually less than 10 minutes and causing less than five percent of tornado-related deaths.  
  Violent tornadoes – F4 and above – are less than one percent of all tornadoes, but account for 70 percent of tornado-related deaths.  
   
   
   
   
 


Tornado Fun              ?Tornado Trivia
 

  

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