A Tornado Forms in 4 Steps. Advertisement - Continue Reading Below. Precipitation should counter the updraft, but when winds blow precipitation out of the rising air, the updraft strengthens. When those tubes are ingested into the updraft, they become vertical and the storm acquires rotation, forming a supercell.
I believe the plates are called the south American plates just saying I might be correct or I might be wrong so don't take my word for it I am not the expert