下か層そう雲うん

noun

low-level clouds; low clouds

Meteorological term for clouds with bases generally below 2,000 meters, such as stratus and stratocumulus.

• 今日きょうは下か層そう雲うんが広ひろがり、すっきりしない天てん気きです。

  Today, low-level clouds are spreading, making for gloomy weather.