Asperitas clouds are a distinctive, but relatively rare cloud formation that takes the appearance of rippling waves.

They tend to appear on these five cloud types: cirrus, altocumulus, cumulus, stratus, and stratocumulus. But it's equally rare to find fluctus clouds in each one, according to the International ...

or a series of lenticular clouds, is capable of forming. These are often mistaken for UFOs because of the saucer-like shape. They can separate into altocumulus standing lenticular, stratocumulus ...

Because of their rarity and unusual appearance, fallstreak holes, or punch hole clouds, are often attributed to UFOs because they form as large circular gaps in cirrocumulus or altocumulus clouds.

deep convective clouds, altostratus, altocumulus, cirrostratus/anvil and cirrus. The work built upon earlier research by the team on physics-informed data-driven models, which integrate cloud ...