火か災さい積せき乱らん雲うん

noun

pyrocumulonimbus cloud

Rare technical term in meteorology for a cumulonimbus cloud formed by a large fire or volcanic eruption.

• 大だい規き模ぼな山やま火か事じで火か災さい積せき乱らん雲うんが発はっ生せいした。

  A pyrocumulonimbus cloud formed from the large-scale wildfire.