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Area in the central United States and Canada stretching from Texas to Manitoba through the Great Plains. Tornado Alley has the highest rate of tornados in the world because of ideal conditions for tornados to occur. Moist and warm tropical air that comes from the Gulf of Mexico meets the cool and dry polar air that comes from Canada over the flat land of the central U.S. When the two air masses meet they create violent thunderstorms which can spawn many tornados. Most of the tornado footage you see on TV comes from Tornado Alley which is taken by storm chasers.

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