pyrocumulonimbus
Noun
Meaning
pyrocumulonimbus (plural pyrocumulonimbi)
An extreme manifestation of a pyrocumulus, generated by the heat of a wildfire, that often rises to the upper troposphere or lower stratosphere.
Synonym: cumulonimbus flammagenitus
Coordinate term: thunderhead
Examples
“We woke to an eerie yellow brown light that quickly darkened as the pyrocumulonimbus cloud thickened above the area,” she said.
A massive fire cloud known as a pyrocumulonimbus formed over the fire, which started east of the town of Loyalton.
It’s an explosive storm called pyrocumulonimbus and it can inject particles as high as 10 miles into the air.
This California fire season has also spawned some pyrocumulonimbus clouds, such as the one produced by the which started Sept. 4 and is still burning in Fresno and Madera counties.