a type of stratus (= a flat, grey cloud) formed in thin layers and found at medium height, above the level of stratus

]]>https://definedictionarymeaning.com/topic/199637/altostratusRSS for NodeThu, 04 Jun 2026 08:13:59 GMTSun, 28 Feb 2021 06:24:11 GMT60Cloud forming a continuous uniform layer that resembles stratus but occurs at medium altitude, usually 6,500–23,000 feet (2–7 km).

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