The altostratus undulatus is a type of altostratus cloud with signature undulations within it. These undulations may be visible (usually as "wavy bases")...

Altostratus is a middle-altitude cloud genus made up of water droplets, ice crystals, or a mixture of the two. Altostratus clouds are formed when large...

atmosphere. The effect of gravity waves in clouds can look like altostratus undulatus clouds, and are sometimes confused with them, but the formation...

above the other. Altostratus translucidus duplicatus (V-53) Altostratus opacus duplicatus (V-54) Pattern-based variety undulatus Altostratus with wavy undulating...

a cloud type Stratocumulus cloud, a cloud type Altostratus cloud, a cloud type Altostratus undulatus cloud, a cloud type Cirrostratus cloud, a cloud...

front, where the altostratus is starting to fragment, resulting in patches of altocumulus perlucidus between the areas of altostratus. Altocumulus is also...

Stratocumulus Radiatus clouds appear as the same as stratocumulus undulatus, but stratocumulus undulatus move perpendicular to the wind shear, while stratocumulus...

precipitation that evaporates before reaching the ground. Genus altostratus (As) – Altostratus is a midlevel opaque or translucent nonconvective veil of gray/blue-gray...

sheen in the sky or as a striated sheet. They are sometimes similar to altostratus and are distinguishable from the latter because the Sun or Moon is always...

when a high grey nebulous altostratus layer thins out into a whitish layer of featureless high cloud. Stratus cloud Altostratus cloud Nimbostratus cloud...