Cirrus uncinus form at high altitude and at low temperature, about minus 40 to 50 degrees Celsius. They have the shape of white stripes that get the aspect of comma because of the lack of wind. Sometimes they are mixed in the sky with other types of clouds like cumulus. There are images of the sky coloured by the sunset with orange, yellow, blue, pink reflections.
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cirrus uncinus by Valentina Sannicolo at Cepolina.com, Star rating , Votes:5 , Summary:Cirrus uncinus form at high altitude and at low temperature, about minus 40 to 50 degrees Celsius. They have the shape of white stripes that get the aspect of comma because of the lack of wind. Sometimes they are mixed in the sky with other types of clouds like cumulus. There are images of the sky coloured by the sunset with orange, yellow, blue, pink reflections.
