Altocumulus cloud - Wikipedia, the free encyclopedia
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Altocumulus ( Alto , "high", cumulus , "heaped") is a cloud belonging to a class characterized by globular masses or rolls in layers or patches, the individual elements being larger and darker th...
en.wikipedia.org/wiki/Altocumulus_cloud
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; This is a photograph of altocumulus clouds. Click on image for full size version (40K JPG); Courtesy of UCAR Digital Image Library ... Altocumulus clouds are part of the Middle Cloud group (2000-7000m up). They are grayish-white with one part of the cloud darker than the other. Altocumulus clouds usually form in groups...
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www.windows.ucar.edu/tour/link=/earth/Atmosphere/clouds...
www.windows.ucar.edu/tour/link=/earth/Atmosphere/clouds/altocumulus.html
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Altocumulus clouds usually form by convection in an unstable layer aloft, which may result from the gradual lifting of air in advance of a cold front. The presence of altocumulus clouds on a warm and humid summer morning is commonly followed by thunderstorms later in the day.
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ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/cld/cldtyp/mdl/al...
ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/cld/cldtyp/mdl/altcu.rxml
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Altocumulus clouds generally appear as puffy masses and are located roughly 3-4 km above the ground. One part of the cloud darker than the rest, a characteristic which makes them distinguishable from the higher cirrocumulus.
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ww2010.atmos.uiuc.edu/(Gl)/guides/mtr/cld/mdl/altcu.rxm...
ww2010.atmos.uiuc.edu/(Gl)/guides/mtr/cld/mdl/altcu.rxml
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Ac castellanus and/or Ac floccus indicate a high risk for afternoon thunderstorms when observed on a summer morning. Ac lenticularis the Föhn cloud usually indicates a weather deterioratiuon within the next 12 to 36 hours. Ac stratus often ...
http://www.weatheronline.co.uk/reports/wxfacts/Altocumu...
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Definition: A middle-level cloud located between 6500 and 20,00 feet, altocumulus clouds are either banded or rounded in formation. Sometimes, they look like balls of cotton stuck into the blue background of the sky, while other times they look like rows.
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weather.about.com/od/photoglossaryonweather/g/altocum.h...
weather.about.com/od/photoglossaryonweather/g/altocum.htm
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Altocumulus clouds in the sky. Click to enlarge. ... LiveScience Image Gallery ... Livescience RSS Feeds...
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www.livescience.com/php/multimedia/imagedisplay/img_dis...
www.livescience.com/php/multimedia/imagedisplay/img_display.php?pic=ig13_clouds_14_02.jpg&title=Altocumulus%20Clouds&cap=Altocumulus+clouds+in+the+sky.+Click+to+enlarge.
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The small, white, puffy clouds that sometimes slowly drift across the sky can look like dozens, of small, loose cottonballs. This is Altocumulus and it forms between 8,000-18,000 ft (2.5-5.5 km). Altocumulus can develop in several ways.
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www.mmem.spschools.org/grade5science/weather/altocumulu...
www.mmem.spschools.org/grade5science/weather/altocumulus.html
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Weather photography by Bernard Hulshof ... Altocumulus clouds that look like "little castles" in the sky (castellanus) indicate rising air at the cloud level. The appearance of these clouds on a warm, humid summer morning are often followed by afternoon thunderstorms.
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www.weatherpictures.nl/altocumulus.html
www.weatherpictures.nl/altocumulus.html
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