Category:Iridescent clouds

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Nube iridiscente (es); Nuage iridescent (fr); Irizacija (hr); Irisierende Wolke (de); Đám mây ánh kim (vi); 彩雲 (zh); 彩雲 (ja); Iriserande skyer (nn); זוהר עננים (he); Obłoki iryzujące (pl); Iriserende skyer (nb); تقزح السحب (ar); 彩雲 (zh-hant); 채운 (ko); 彩雲 (zh-hk); väripilvi (fi); cloud iridescence (en); nuba irizeco (eo); 彩云 (zh-hans); nuvem iridescente (pt) Optical phenomenon (en); type de nuage aux couleurs irisées (fr); Hiện tượng tự nhiên khúc xạ tương tự cầu vồng gây ra bởi vùng lân cận chung của Mặt Trời và Mặt Trăng (vi) Nubes iridiscentes (es); irisation (en); Iriserande sky (nn); ענן זהר, ענן זוהר (he); 祥雲瑞氣, 旺氣, 瑞氣祥雲, 瑞彩祥雲, 彩雲易散, 祥雲瑞彩, 雲彩, 天子氣, 王氣, 五彩祥雲 (zh)
cloud iridescence 
Optical phenomenon
Highly iridising altocumulus.jpg
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Iridescent clouds are composed of very (locally) homogeneous, small droplets. Iridescence occurs most in thin altocumulus or cirrocumulus, often at the beginning of their formation. It is the result of diffraction around droplets, just like in Coronae.

The iridescence pattern is irregular, sometimes following the clouds borders, instead of circular as in corona rings, because the size of droplets slightly varies from one region of cloud to the next.

Polar stratospheric clouds (also called Nacreous clouds) and Noctilucent clouds are distinct from ordinary iridescent clouds. Please see Category:Corona, Category:Polar stratospheric clouds, Category:Noctilucent clouds.

Pages in category "Iridescent clouds"

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Media in category "Iridescent clouds"

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