Noun
a stratus cloud at an intermediate altitude of 2 or 3 miles
Source: WordNetCirrocumulus in its pure form is actually a high cumuliform genus, and cirrostratus is stratiform, like altostratus and lower based sheet clouds. Source: Internet
Mid-level altostratus and multi-level nimbostratus always have a flat or diffuse appearance and are therefore not subdivided into species. Source: Internet
These include middle-étage layers of altocumulus and altostratus as well as low stratocumulus, and stratus that have droplets with an average radius of about 0.002 mm (0.00008 in). Source: Internet
If the altocumulus is mixed with moisture-laden altostratus, the precipitation may reach the ground. Source: Internet
The stratiform group is cross-classified into the genera cirrostratus (high-étage), altostratus (middle-étage), stratus (low-étage), and nimbostratus (multi-étage). Source: Internet
The sun and moon are visible in clear outline. citation Cirrostratus often thickens into altostratus ahead of a warm front or low-pressure area. Source: Internet