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Contact: Philly Lim
World Scientific

Tornado Alley, Clash

Caption: The intensive clash between the winds from the south and the winds from the north is the source for formation of tornados in Tornado Alley. (a) Violent clash creates a vortex-supercell. (b) Tilt and updraft creates a spin about a vertical axis leading to mesocyclone. (C) Further stretching and strong vertical vorticity may lead to tornado.

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