cirrocumulus

n. white puffy cloud formation appearing high in the atmosphere

A cirrocumulus is a high-altitude cloud, usually occurring at 20,000-40,000 ft (6,000-12,000 m). The term derives from the Latin cirrus "curl of hair", and cumulus "heaped".Like other cumulus clouds, cirrocumulus clouds signify convection. Unlike other cirrus clouds, cirrocumulus include liquid water droplets, although these are in a supercooled state. Ice crystals are also present, and typically, the ice crystals cause the supercooled water drops in the cloud to rapidly freeze, transforming the cirrocumulus into cirrostratus. This process can also produce precipitation in the form of a virga consisting of ice or snow. Thus cirrocumulus clouds are usually short-lived.
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Noun
1. a cloud at a high altitude consisting of a series of regularly arranged small clouds resembling ripples
(synonym) cirrocumulus cloud
(hypernym) cloud

n. cirrocumulus, white puffy cloud formation appearing high in the atmosphere

CIRROCUMULO