![]() Stratocumulus clouds are same in appearance to altocumulus and are often mistaken for such. Rain from stratocumulus cloud cover Comparison altocumulus ![]() They are also often seen underneath the cirrostratus and altostratus sheets that often precede a warm front, as these higher clouds decrease the sun's heat and therefore convection, causing any cumulus clouds to spread out into stratocumulus clouds. However, these clouds are often seen at either the front or tail end of worse weather, so they may indicate storms to come, in the form of thunderheads or gusty winds. ![]() Most often, stratocumulus produce no precipitation, and when they do, it is generally only light rain or snow. This often occurs in late morning in areas under anticyclonic weather, the stratocumulus breaking up under the sun's heat and often reforming again by evening as the heat of the sun decreases again. On drier areas they quickly dissipate over land, resembling cumulus humilis. If the air over land is moist and hot enough, stratocumulus may develop to various cumulus clouds, or, more commonly, the sheet of stratocumulus may become thick enough to produce some light rain. 'Dull weather' is a common expression incorporated with overcast stratocumulus days, which usually occur either in a warm sector between a warm and cold front in a depression, or in an area of high pressure, in the latter case, sometimes persisting over a specific area for several days. When these drift over land the summer heat or winter cold is reduced. In subtropics, they cover the edges of the horse latitude climatological highs, and reduce the amount of solar energy absorbed in the ocean. These may organize into distinctive patterns which are currently under active study. Vast areas of subtropical and polar oceans are covered with massive sheets of stratocumulus. Historically, in English, this type of cloud has been referred to as a twain cloud for being a combination of two types of clouds. Weak convective currents create shallow cloud layers because of drier, stable air above preventing continued vertical development. Thicker, dark gray, and somewhat conjoined heaps of clouds.Ī stratocumulus cloud, occasionally called a cumulostratus, belongs to a genus-type of clouds characterized by large dark, rounded masses, usually in groups, lines, or waves, the individual elements being larger than those in altocumulus, and the whole being at a lower height, usually below 2,000 metres (6,600 ft). Aerial photograph of Stratocumulus perlucidus clouds over the midwestern United States
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