Videos circulating on social media Thursday show the fire generating massive pyrocumulus clouds — also known as pyroclouds or "fire clouds." ...

Weather Words: Pyrocumulus CloudsThere are times when the pyrocumulus cloud can grow so large that it will create its own lightning and even precipitation. We have seen in the past where wildfires ...

A: A pyrocumulus is a fire cloud. A pyrocumulus cloud forms from rising air that results from intense heating of the surface by phenomena such as wildfires or volcanic eruptions. The fires that ...

A towering pyrocumulus cloud rose some 35,000 feet into the air as the raging Delta Fire threw its claws of flames across thousands of acres of bone-dry forestland in Shasta County.

The Thomas fire created a huge pyrocumulus cloud in December 2017. The Mountain View fire that largely destroyed the small town of Walker, Calif., this week gave rise to a similar phenomenon.

Looks like #FergusonFire is generating another pyrocumulus cloud this afternoon per #GOES16 imagery. Smoke is only gradually spreading out as winds aloft are rather light, with worst air quality ...