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Cirrocumulus castellanus is an indicator of atmospheric instability at the level of the cloud. [4] The clouds form when condensation occurs in the base cloud, causing latent heating to occur. This causes air to rise from the base cloud, and if the air ascends into conditionally unstable air, cirrocumulus castellanus will form.
Sheets or relatively flat patches of cirrocumulus. Cirrocumulus lenticularis [15] (V-13) Lenticular, or lens-shaped high cloud. Cirrocumulus castellanus [15] (V-14) Cirrocumulus layer with "towers", or turrets joined at the bases. Cirrocumulus floccus [15] (V-15) Very small white heaps with ragged bases and rounded tops. [11]
Cirrocumulus with castellanus buildups can show some vertical extent, but are not usually classified as vertical or multi-étage clouds. Varieties: This genus type is always translucent and so has no opacity-based varieties. However, like cirrus, certain cirrocumulus species can sometimes be divided into pattern-based varieties.
It is a cloud species attached to the cloud genera cirrus, cirrocumulus, altocumulus and stratocumulus. [1] [2] [3] Species of the clouds include cirrus castellanus, cirrocumulus castellanus, altocumulus castellanus and stratocumulus castellanus. [1]
Cirrocumulus clouds come in four species: stratiformis, lenticularis, castellanus, and floccus. [72] They are iridescent when the constituent supercooled water droplets are all about the same size. [ 73 ]
Cumulus castellanus (from Latin castellanus, castle) is an unofficial name of a species of cumulus cloud that is distinctive because it displays multiple towers arising from its top, indicating significant vertical air movement. It is a misnomer for cumulus congestus and correspondingly can be an indicator of forthcoming showers and thunderstorms.
A fallstreak hole (also known as a cavum, [1] hole punch cloud, punch hole cloud, skypunch, cloud canal or cloud hole) is a large gap, usually circular or elliptical, that can appear in cirrocumulus or altocumulus clouds. The holes are caused by supercooled water in the clouds suddenly evaporating or freezing, and may be triggered by passing ...
A lenticular cloud covers the summit crater of Mayon Volcano, Philippines.. As air travels along the surface of the Earth, obstructions are often encountered, including natural features, such as mountains or hills, and artificial structures, such as buildings and other constructions, which disrupt the flow of air into "eddies", or areas of turbulence.