A fire whirl, also known as a fire devil, fire tornado or firenado, is a whirlwind of flame that may occur when intense heat and turbulent wind conditions combine to form whirling eddies of air.
A fire whirl, also colloquially known as a fire devil, fire tornado, or firenado, is a whirlwind induced by a fire and often comprised of flame. Fire whirls may occur when intense rising heat and turbulent wind conditions combine to form whirling eddies of air.