乳ち房ぶさ雲ぐも

noun

mammatus cloud; mammatocumulus; festoon cloud

A meteorological term for pouch-like cloud formations hanging beneath a cloud base, often associated with severe weather.

• 乳ち房ぶさ雲ぐもは積せき乱らん雲うんの底そこによく見みられる。

  Mammatus clouds are often seen at the base of cumulonimbus clouds.

• 気き象しょう予よ報ほう士しが乳ち房ぶさ雲ぐもの発はっ生せいを報ほう告こくした。

  The weather forecaster reported the formation of mammatus clouds.