A cloud forming a continuous uniform layer, similar to stratus but occurs at medium altitude .
Thick and puffy clouds on middle elevations.
Low elevated clouds that produce rain and snow.
Cloud forming a continuous horizontal grey sheet, often with rain or snow.
Low elevated cloud forming rounded masses heaped on each other above a flat base.
Cloud forming a towering mass with a flat base. Low elevation. Often a flat top, as in thunderstorms.
Small, high elevated cottony rows of clouds.
The highest clouds made of ice crystals.
Cloud forming a thin, more or less uniform semi-translucent layer at high altitudes.
Layered and puffy clouds on middle and lower elevations.
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