Tornado

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.
We Can Eliminate the Major Tornado Threat in Tornado Alley – Build 3 Walls

Although there are no east-west mountains in Tornado Alley, we can build some east-west great