A fire whirl, also commonly known as a fire devil, or as a fire tornado, firenado, fire swirl, or fire twister, is a whirlwindinduced by a fire and often (at least partially) composed of flame or ash. These start with a whirl of wind, often made visible by smoke, and may occur when intense rising heat and turbulent wind conditions combine to form whirling eddies of air. These eddies can contract a tornado-like vortex that sucks in debris and combustible gases.
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