In your twitter one rotation is clearest. Defining fire whirls and fire tornados Author Bill GabbertPosted on August 14, 2016Categories UncategorizedTags fire tornado, fire whirl, firenado These two recently filmed videos illustrate what can happen over a fire when thermal instability and available vorticity combine. The Cornelius (Oregon) Fire Department posted this video on August 12, 2016 showing an impressive fire whirl. https://wildfiretoday.com/2016/08/14/defining-fire-whirls-and-fire-tornados/ Would it be correct to say there are convection currents in convection columns? Or even that the former create the latter?