Fire Whirl: Fire whirls occur when the heat from a fire drive the air above it in such a way as to form a vortex with the cooler air outside. If this vortex acquires a vertical spin then a fire whirl, a vortex sucking flames upwards, will form. Tornados, Thunderstorms, Natural Phenomena, Natural Disasters, Fire Tornado, Tornado Gif, Fuerza Natural, Cool Photos, Beautiful Pictures