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Thunderstorms To Tornadoes: Decoding Nature's Most Violent Transformation
Tornadoes form by an extreme spinning of air caused by a mixture of heat, humidity and changes in air. Here's how they all ...
Maps show how "Tornado Alley" has shifted in the U.S.
The scale runs from EF0 up to EF5 for the most damaging twisters.) Maps of patterns of tornadogenesis, or the process by ...