入にゅう道どう雲ぐも

noun

cumulonimbus; thunderhead; towering summer cloud

Refers to the large, towering clouds typical of summer, often associated with thunderstorms. The term is more evocative and descriptive than the technical 積乱雲.

See also: 積乱雲

• 夏なつの午ご後ご、入にゅう道どう雲ぐもがもくもくと湧わき上あがった。

  On a summer afternoon, towering cumulonimbus clouds billowed up.

• 入にゅう道どう雲ぐもが出でてきたから、夕ゆう立だちが来くるかもしれない。

  Since thunderheads are appearing, we might get an evening shower.