Science Fair Project Encyclopedia
Altocumulus castellanus
Altocumulus castellanus is a family B type cloud.
Altocumulus castellanus is named for its tower-like projections that billow upward from the base of the cloud. The base of the cloud can form at as low as 6500 feet, or as high as 20,000 feet.
Castellanus clouds are a sign of turbulence, and are usually followed by bad weather, continued development of castellanus clouds can produce cumulonimbus clouds.
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10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details