noun
fog-like cloud; stratus cloud
Refers to a low, uniform cloud layer resembling fog but not at ground level. Often used in weather forecasts and descriptions of overcast skies. Compare with 層雲 (そううん), the formal meteorological term for stratus.
See also: 層雲
朝、山の上に霧雲がかかっていた。
In the morning, a fog-like cloud hung over the mountain.
天気予報によると、明日は霧雲が広がるらしい。
According to the weather forecast, stratus clouds will spread tomorrow.