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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 ...
Cloud decks in parallel bands of latitude at and below the tropopause alternately composed of ammonia crystals and ammonium hydrosulfate. Cirriform Bands of cloud resembling cirrus located mainly in the highest of three main layers that cover Jupiter. [28] Stratiform and stratocumuliform Wave and haze clouds that are seen mostly in the middle ...
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 ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 22 January 2025. Visible mass of liquid droplets or frozen crystals suspended in the atmosphere "Nephology" redirects here. Not to be confused with Nephrology. For other uses, see Cloud (disambiguation). Cloudscape over Borneo, taken by the International Space Station Part of a series on Weather ...
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.
A circumhorizontal arc is an optical phenomenon that belongs to the family of ice halos formed by the refraction of sunlight or moonlight in plate-shaped ice crystals suspended in the atmosphere, typically in actual cirrus or cirrostratus clouds. In its full form, the arc has the appearance of a large, brightly spectrum-coloured band (red being ...
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 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.