Pyrocumulonimbus cloud

A pyrocumulonimbus cloud is a type of cumulonimbus cloud that forms above a source of heat, such as a wildfire or volcanic eruption.

Pyrocumulonimbus Cloud Media

For decades, the plume in this "Hiroshima strike" photo was misidentified as the mushroom cloud (itself a type of cumulonimbus flammagenitus) from the atomic bomb blast on 6 August 1945. However, due to its much greater height, the cloud was identified in March 2016 as the cumulonimbus flammagenitus cloud produced above the city
Picture of a cumulonimbus flammagenitus cloud, taken from a commercial airliner cruising at about 10 km altitude.
A satellite image of the formation of a cumulonimbus flammagenitus over Argentina in 2018.
Animation of the formation of a pyrocumulonimbus above the 2020 Creek Fire in California

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