Altocumulus lenticularis (Ac len lenticular cloud) is a lens-shaped middle cloud which can resemble flying saucers and may occasionally be mistaken for "unidentified flying objects".

Learn about altocumulus clouds, including cloud description and facts, images, how to best identify them, and their species, varieties, and features.

Explore in depth the characteristics and formation of Altocumulus clouds, their impact on climate, and their importance in aviation.

May 5, 2025 · Altocumulus clouds are middle-height clouds that look like cotton balls and don't bring rain. Altocumulus clouds can warn us about storms or cooler weather coming because …

Rather than a layer of cloudlets, this Altocumulus is in the form of large, smooth individual clouds. Altocumulus clouds produce the most dramatic and beautiful cloudscapes, especially in the …

The WMO International Cloud Atlas is the reference for the classification of clouds and meteorological meteors. It provides the definitions and descriptions of cloud types and …

Altocumulus is a middle-altitude cloud genus that belongs mainly to the stratocumuliform physical category, characterized by globular masses or rolls in layers ...

Learn to identify Altocumulus stratiformis, lenticularis, lacunosus, castellanus, floccus, undulatus and duplicatus from photos and descriptions.

Altocumulus clouds usually form by convection in an unstable layer aloft, which may result from the gradual lifting of air in advance of a cold front. The presence of altocumulus clouds on a …

Altocumulus (From Latin Altus, "high", cumulus, "heaped") is a middle-altitude cloud genus that belongs mainly to the stratocumuliform physical category characterized by globular masses or …