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The story of scientists who believe they can detect when a supertwister - the most powerful of tornadoes - will strike, giving people a chance to flee before it hits.
The story of scientists who believe they can detect when a supertwister will strike, giving people a chance to flee before it hits. For years scientists known as 'storm chasers' have tracked these most powerful of tornadoes with radar, trying to discover what strange quirks of the weather can turn a strong wind into a killer that reaches windspeeds of up to 300mph.
Last on
Wed 5 Apr 2006
12:30
大象传媒 Two except East & Yorkshire
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What triggers a twister?
Duration: 03:17
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The power of a tornado
Duration: 02:22
