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Stratus cumulogenitus clouds occur when the base of cumulus clouds spreads, creating a nebulous sheet of stratiform clouds. This can also occur on nimbostratus clouds (stratus nimbostratogenitus) and on cumulonimbus clouds (stratus cumulonimbogenitus). Stratus fractus clouds can also form under the base of precipitation-bearing clouds and are ...
Stratocumulus clouds usually form from the rising and breakup of a stratus cloud. [ 3 ] [ 6 ] They can also form from altostratus and nimbostratus clouds , either as evaporating precipitation condenses into a cloud or as the nimbostratus cloud itself thins and breaks up.
Altostratus cloud. Altostratus is a middle-altitude cloud genus made up of water droplets, ice crystals, or a mixture of the two. Altostratus clouds are formed when large masses of warm, moist air rise, causing water vapor to condense. Altostratus clouds are usually gray or blueish featureless sheets, although some variants have wavy or banded ...
At level with stratus nebulosus translucidus (V-90) and opacus (V-91) clouds Stratus fractus (V-89) cloud. Abbreviation: St [9] Clouds of the genus stratus form in low horizontal layers having a ragged or uniform base. Ragged stratus often forms in precipitation while more uniform stratus forms in maritime or other moist stable air mass conditions.
Cirrostratus cloud. Thin, transparent, high-altitude layer capable of producing a halo. No, but usually signal the approach of a warm front. But rain in 24 hours. Cirrostratus / ˌsɪroʊˈstrɑːtəs / is a high-altitude, very thin, generally uniform stratiform genus-type of cloud. It is made out of ice -crystals, which are pieces of frozen water.
Nimbostratus ( rain, layered) Altitude. 500–5,500 m. (2,000–18,000 ft) Appearance. Dark and featureless layer cloud full of water vapor; responsible for rain and snow. Precipitation. Yes: rain, ice pellets, or snow; sometimes virga. A nimbostratus cloud is a multilevel, amorphous, nearly uniform, and often dark-grey cloud that usually ...
Weather. In meteorology, a cloud is an aerosol consisting of a visible mass of miniature liquid droplets, frozen crystals, or other particles suspended in the atmosphere of a planetary body or similar space. [ 1] Water or various other chemicals may compose the droplets and crystals. On Earth, clouds are formed as a result of saturation of the ...
Polar stratospheric clouds over Western Norway. The stratosphere is very dry; unlike the troposphere, it rarely allows clouds to form.In the extreme cold of the polar winter, however, stratospheric clouds of different types may form, which are classified according to their physical state (super-cooled liquid or ice) and chemical composition.