NOVA Hunt for the Supertwister
Scientists risk their lives to plumb the secrets of nature's most terrifying killer. Details
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Tornado Country
How is it that with nearly 200 nations in the world, just one—the United States—gets up to three quarters of all tornadoes?
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Forecasting Then and Now
The remarkable story of 17-year-old Dale Larson and 29 Nebraskan schoolchildren shows how far tornado warning has come since 1928.
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Tracking Twisters
Can new weather radar networks spot tornadoes earlier and thereby save lives?
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Shelter From the Storm
Tornado-damage expert Tim Marshall explains why conventional building practices and sprawl may make for ever graver twister disasters.
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