fire cloud; pyrocumulus cloud; flammagenitus
Rare meteorological term for a cloud formed by intense heat from a fire or volcanic activity. Often used in technical or scientific contexts.
See also: 火災積雲
A huge fire cloud formed above the wildfire.
Compound of 火災 (kasai, 'fire disaster') and 雲 (kumo, 'cloud'), literally 'fire-disaster cloud'. The term is a direct calque of English 'fire cloud' or 'pyrocumulus'.