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NebraskaSC (a group admin) says:
03 Apr 12 - Greetings All, to whom receive this invite.

I thought it was about time to add this group since there are so many Fantastic Captures of these clouds here on Flickr.

If you Think Your Capture is Worthy!!! Submit It to the Group!!! Once Approved .. You Add Your Capture(s) to the Group, (& if you deiced to join the group) you will be allowed to add other Captures... BUT THEY MUST BE either defined as below, or they will be deleted from the Group.

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About (Clouds) Mammatus

Mammatus, also known as mammatocumulus, meaning "Mammary cloud" or "Breast cloud" is a meteorological term applied to a cellular pattern of pouches hanging underneath the base of a cloud. The name "mammatus" is derived from the Latin mamma (udder or breast), due to the clouds' characteristic shape, as some believe there is a resemblance between the shape of these clouds and the breast of a woman.

Mammatus may appear as smooth, ragged or lumpy lobes and may be opaque or semitransparent. Because mammatus occur as a grouping of lobes, the way they clump together can vary from an isolated cluster to a field of mamma that spread over hundreds of kilometers to being organized along a line, and may be composed of unequal or similarly-sized lobes. The individual mammatus lobe average diameters of 1–3 km and lengths on average of 0.5 km. A lobe can last an average of 10 minutes, but a whole cluster of mamma can range from 15 minutes to a few hours. They usually are composed of ice, but also can be a mixture of ice and liquid water or be composed of almost entirely liquid water.

Source: Wikipedia
en.wikipedia.org/wiki/Mammatus_cloud

http://www.flickr.com/groups/mammatus/

Additional Information

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    • Photos
    • Video
  • Accepted content types:
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    • Screenshots / Screencasts
    • Illustration/Art / Animation/CGI
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