How the Blue Cut Blaze Spawns Those Insane Firenadoes by Chelsea Leu from on 2016-08-19 11:00 (#1R08Q) Firenadoes are spinning columns of smoke and fire, caused by wind interacting with the blaze itself---a complex mix of fire and fluid dynamics. The post How the Blue Cut Blaze Spawns Those Insane Firenadoes appeared first on WIRED.