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Cirrus clouds are usually formed as warm, dry air rises, [2] causing water vapor to undergo deposition onto particles, including mostly mineral dust and metallic particles [17] [18] at high altitudes. Particles gathered by research aircraft from cirrus clouds over several locations above North America and Central America included mineral dust ...
Cirrus spissatus or also called Cirrus densus and Cirrus nothus [1] clouds are the highest of the main cloud genera, and may sometimes even occur in the lower stratosphere. The characteristic features of cirrus clouds are fine threads or wisps of ice crystals , generally white, but appearing grey when dense and seen against the light.
The list of cloud types groups all genera as high (cirro-, cirrus), middle (alto-), multi-level (nimbo-, cumulo-, cumulus), and low (strato-, stratus). These groupings are determined by the altitude level or levels in the troposphere at which each of the various cloud types is normally found.
Cirrus fibratus, also called Cirrus filosus, [2] is a type of cirrus cloud. The name cirrus fibratus is derived from Latin , meaning "fibrous". [ 3 ] These clouds are similar to cirrus uncinus , commonly known as "mares' tails," yet different in that fibratus clouds do not have tufts or hooks at the end. [ 4 ]
Cirrus floccus is a type of cirrus cloud. The name cirrus floccus is derived from Latin, meaning "a lock of wool". [1] Cirrus floccus occurs as small tufts of cloud, usually with a ragged base. The cloud can have virga falling from it, but the precipitation does not reach the ground. [2] The individual tufts are usually isolated from each other ...
Cirrus cloud thinning (CCT) is a proposed method of climate engineering. Cirrus clouds are high cold ice that, like other clouds , both reflect sunlight and absorb warming infrared radiation . However, they differ from other types of clouds in that, on average, infrared absorption outweighs sunlight reflection, resulting in a net warming effect ...
Tops of clouds lose hard, rough appearance and become smooth: Cb: Capillatus: cap: Tops of clouds become distinctly fibrous or striated. Cirrus clouds are often in appearance: Cb Castellanus: cas: Distinct turrets rising from a large base or line of cloud: Sc, Ac, Cc: Congestus: con
Cirrus radiatus is a variety of cirrus cloud. The name cirrus radiatus is derived from Latin , meaning "rayed, striped". [ 1 ] This variety of cirrus clouds occurs in parallel bands that often cover the entire sky and appear to converge at a single point [ 2 ] or two opposite points on the horizon.