Mario's Cloudscape

CastellanusDuplicatusFloccusLacunosusLenticularisOpacusPerlucidusRadiatusStratiformisTranslucidusUndulatusVolutus

altocumulus

White or grey, or both white and grey, patch, sheet or layer of cloud, generally with shading, composed of laminae, rounded masses, rolls, etc., which are sometimes partly fibrous or diffuse and which may or may not be merged; most of the regularly arranged small elements usually have an apparent width between 1° and 5°. - https://www.wmocloudatlas.org/altocumulus-ac.html