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Trailer | Mr Tornado| American Experience
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Remembering the Iowa F5 Twister That Destroyed an Entire Town
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Ted Fujita, seen here in April 1961, was a professor of geophysical sciences at the University of Chicago. He began teaching courses in 1962 after working as a researcher for several years. (Photo/University of Chicago Library, Special Collections Research Center) When a tornado strikes and causes damage, sometimes in the form of complete devastation, a team of meteorologists is called to the scene to carefully analyze clues in what's known as a damage survey, similar in a sense to how the National Transportation Safety Board might investigate the scene of an accident. When the meteorologists are finished examining the storm damage, the tornado is rated on a six-point system referred to as the Enhanced Fujita Scale. 2021 marks 50 years since the initial rating system, the internationally recognized Fujita Scale, was introduced to the field of meteorology. But how did the scale come to be and who was Fujita, the man who conceptualized it? The origins can be traced back to the Secon