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".

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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 rays of a …

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 they appear …

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

May 16, 2024 · The cloudlets of Altocumulus form where the air rises and the gaps that can separate them appear where it sinks. Of all the cloud genera, Altocumulus make for the best sunrises and …

Altocumulus clouds are a middle-altitude cloud genus frequently observed across the globe. They occupy the mid-level layer of the troposphere. Classified as stratocumuliform clouds, they display …

Jul 25, 2023 · Altocumulus clouds, abbreviated as Ac, belong to the middle-level cloud group, found at an altitude of around 6,500 to 20,000 feet (2,000 to 6,100 meters) above the ground.

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 meteors, and flow charts to …