Check out the map showing tornado alley in the U. S. During the winter of 2017, massive tornadoes occurred in the states of Alabama and Georgia, two states that ARE NOT in tornado alley. If the conditions for a tornado are predictable, how could these tornadoes have formed in these two states?

A) Warm, moist Pacific coast air meets cold, Atlantic coast air.
B) Arctic, Canadian air meets west moving air from the cold Atlantic coast.
C) Warm, moist Gulf coast air meets cold, dry continental air moving down from Canada.
D) A northeastern air mass drops down into the southern states bringing precipitation.