altostratus
/ˌæltoʊˈstreɪtəs/
noun
- A type of gray or blue-gray cloud that covers the sky in a flat, uniform layer, often bringing light rain or snow.
- The altostratus clouds made the whole sky look like a gray blanket.
- Before the storm arrived, altostratus clouds blocked out the sun.
- Meteorologists predicted light drizzle from the approaching altostratus.