鰯いわし雲ぐも

noun

cirrocumulus cloud; mackerel sky

A pattern of small, rippled clouds resembling fish scales; often associated with changing weather. Synonymous with うろこ雲 (scaly cloud).

See also: うろこ雲

• 秋あきの空そらに鰯いわし雲ぐもが広ひろがっている。

  Cirrocumulus clouds are spreading across the autumn sky.

• 鰯いわし雲ぐもが出でると天てん気きが下くだり坂ざかになることが多おおい。

  When mackerel sky appears, the weather often turns bad.