下か層そう雲うんかそううんじ字FuriganaMeanings1nounlow-level clouds; low cloudsmeteorology›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。