Why are there more tornadoes in the US compared to the rest of the world?
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Tornadoes form when cold dry air meets warm moist air. This only happens on a large scale in North America thanks to the Canadian Arctic and the Gulf of Mexico. All the other continents have mountain ranges separating these air masses, or don’t have polar regions at all.
If the Himalayas didn’t exist, Asia would also have loads of tornadoes.
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