Altostratus cloud - Wikipedia, the free encyclopedia
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Altostratus is a cloud belonging to a class characterized by a generally uniform gray sheet or layer, lighter in color than nimbostratus and darker than cirrostratus. The sun can be seen shining thro...
en.wikipedia.org/wiki/Altostratus_cloud
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Altostratus clouds are named because they are middle height clouds ("alto") and are spread out, thin, and layered ("stratus"). Sunlight is often visible through these clouds as in this picture. Altostratus clouds form when a front of warm, moist air meets a body of cold, dry air.
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chalk.richmond.edu/education/projects/webunits/weather/...
chalk.richmond.edu/education/projects/webunits/weather/altostratus.html
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Altostratus belong to the Middle Cloud group (2000-7000m up). An altostratus cloud usually covers the whole sky and has a gray or blue-gray appearance. The sun or moon may shine through an altostratus cloud, but will appear watery or fuzzy. ... How Clouds Form...
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www.windows.ucar.edu/tour/link=/earth/Atmosphere/clouds...
www.windows.ucar.edu/tour/link=/earth/Atmosphere/clouds/altostratus.html
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Altostratus clouds belong to the Middle Cloud group. An altostratus cloud usually covers the whole sky. The cloud looks gray or blue-gray. The sun or moon may shine through an altostratus cloud, but will look like a watery or fuzzy blob.
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www.windows.ucar.edu/tour/link=/earth/Atmosphere/clouds...
www.windows.ucar.edu/tour/link=/earth/Atmosphere/clouds/altostratus.html&edu=elem
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Altostratus Clouds are located worldwide, but are more common in mid latitudes. These clouds are found in the mid levels of the atmosphere and can be just a thin veil ranging to a layer 2,000-3,000m thick. Generally Altostratus will contain ice crystals near the top and water crystals lower down.
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ezinearticles.com/?Altostratus-Clouds&id=1756309
ezinearticles.com/?Altostratus-Clouds&id=1756309
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From other clouds: From Cirrostratus, which increases; from Altocumulus with numerous ice crystal dragging (virga), which gives it a monotonous appearance; from Nimbostratus, which decreases; from Cumulonimbus by propagation of the middle and ... Altostratus opacus As op Sun or moon is completely covered by the clouds.
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www.clouds-online.com/cloud_atlas/altostratus/altostrat...
www.clouds-online.com/cloud_atlas/altostratus/altostratus.htm
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Stratus, stratocumulus, altostratus, and cirrus clouds are thought to have the greatest effect on climate due to the large area they cover. In this section we cover recent studies on cirrus and altostratus clouds and their potential impact on climate.
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www.agu.org/revgeophys/rasmus00/node21.html
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Altostratus se.jpg; 160,493 bytes; ... Clouds CM 2.svg; 1,350 bytes; ... Pages in category "Altostratus clouds"
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commons.wikimedia.org/wiki/Category:Altostratus_clouds
commons.wikimedia.org/wiki/Category:Altostratus_clouds
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Weather photography by Bernard Hulshof ... Altostratus clouds usually form ahead of a front producing widespread and mostly continuous precipitation. Altostratus clouds do not allow enough sunlight to break through the cloud to form any shadows on the ground.
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www.weatherpictures.nl/altostratus.html
www.weatherpictures.nl/altostratus.html
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