nacreous cloud


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Related to nacreous cloud: Noctilucent cloud, Polar stratospheric cloud

nacreous cloud

A highly layered cloud with an iridescent appearance. It is akin to high-altitude cirrus clouds. Also called a mother-of-pearl cloud. Clouds of unknown composition, whose form resembles that of cirrus or altocumulus lenticularis. These clouds show very strong irisation, or iridescence, similar to that of the mother-of-pearl, especially when the sun is several degrees below the horizon. They occur at heights of about 12 to 18 miles (20–30 km).
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References in periodicals archive ?
(2017) report observations and photographs of a display of nacreous clouds in December 2014 from Oslo.
NACREOUS CLOUDS. In the insightful investigation made by Olson et al.
Mohn (1893) describes observations of nacreous clouds made in 1892 from England and Norway, while Stormer (1929) discusses these clouds in a systematic manner from a series of photographs made from sites in Oslo, southern Norway, in 1926.
The earliest photographs of nacreous clouds are given by Stormer (1926), and there are numerous examples of photographs of these clouds now available on the web.
A comparison between a section of the sky in The Scream (two versions), a section from a photograph of nacreous clouds, and a section from the Puyehue-Cordon Caulle photograph are provided in Fig.
In an attempt to be as objective as possible with our interpretation of Munch's sky, we analyzed the relationship between the colors in photographs of sunsets and nacreous clouds as well as in various paintings that depict red skies.
The sky depicted in Munch's The Scream has a remarkable similarity to the patterns and colors seen in a display of nacreous clouds (Fikke et al.
Caption: The sky in Munch's famous painting is compared with photographs of a display of nacreous clouds.
Series of photographs of nacreous clouds taken on the evening of 20 Jan 2008 from Leirsund, southern Norway, at (top left) 1508:56, (top right) 1532:47, (middle left) 1533:17, (middle right) 1534:20, (bottom left) 1546:35, and (bottom right) 1548:11 UTC.