Duration: 1'29''
Dr Helen Czerski explains what creates the rotation of a tornado.
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5: Tornado | Dangerous Earth
Dr Helen Czerski peers into the heart of the storm to find out how advances in technology are giving new insight into tornadoes - the fastest wi...
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Dr Helen Czerski explains the final stage in the creation of a tornado.
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Dr Helen Czerski investigates the wind speed and strength of a tornado.
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