Cool Cirrostratus Cloud Facts References. These are made when the cloud takes the form of thin cirrostratus nebulosus. Middle clouds, 7 to 2 km (23,000 to 6,500 feet), are altocumulus and altostratus.

Get a description of cirrostratus clouds, including pictures and images of various cirrostratus characteristics, their altitude levels, and more. Viewed from below, cirrostratus appears as a transparent, fairly homogeneous whitish veil, totally or partly covering the sky. A delicate layer of ice crystals, often spread over vast areas of the sky, cirrostratus can appear as no more than a light, milky whitening of.