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- Cloud_iridescence abstract "Cloud iridescence is the occurrence of colors in a cloud similar to those seen in oil films on puddles, and is similar to irisation. It is a fairly uncommon phenomenon, most often observed in altocumulus, cirrocumulus, lenticular clouds and cirrus clouds. The colors are usually pastel, but can be very vivid. Iridescence is generally produced near the sun, with the sun's glare masking it, so it is more easily seen by hiding the sun behind a tree or building. Other aids are dark glasses, or observing the sky reflected in a convex mirror or in a pool of water.Iridescent clouds are a diffraction phenomenon caused by small water droplets or small ice crystals individually scattering light. Larger ice crystals produce halos.If parts of clouds have small droplets or crystals of similar size, their cumulative effect is seen as colors. The cloud must be optically thin, so that most rays encounter only a single droplet. Iridescence is therefore mostly seen at cloud edges or in semi-transparent clouds, and newly forming clouds produce the brightest and most colorful iridescence. When a thin cloud has droplets of similar size over a large extent, the iridescence takes on the structured form of a corona, a central bright disk around the sun or moon surrounded by one or more colored rings. In one instance a lunar corona was observed, with the iridescent cirrus cloud 11–13.6 km (36,000–45,000 ft) above the mean sea level at a temperature of −70 °C (−94 °F). The pure corona was 9.5 km (31,000 ft) above the mean sea level, at a temperature of −60 °C (−76 °F).".
- Cloud_iridescence thumbnail Irid_clouds1.jpg?width=300.
- Cloud_iridescence wikiPageExternalLink On-The-Cause-Of-Iridescence-In-Clouds.html.
- Cloud_iridescence wikiPageExternalLink iridim0.htm.
- Cloud_iridescence wikiPageID "14424426".
- Cloud_iridescence wikiPageLength "3558".
- Cloud_iridescence wikiPageOutDegree "16".
- Cloud_iridescence wikiPageRevisionID "682931007".
- Cloud_iridescence wikiPageWikiLink Altocumulus_cloud.
- Cloud_iridescence wikiPageWikiLink Category:Atmospheric_optical_phenomena.
- Cloud_iridescence wikiPageWikiLink Category:Cloud_types.
- Cloud_iridescence wikiPageWikiLink Cirrocumulus_cloud.
- Cloud_iridescence wikiPageWikiLink Cirrus_cloud.
- Cloud_iridescence wikiPageWikiLink Cloud.
- Cloud_iridescence wikiPageWikiLink Corona_(optical_phenomenon).
- Cloud_iridescence wikiPageWikiLink Diffraction.
- Cloud_iridescence wikiPageWikiLink Drop_(liquid).
- Cloud_iridescence wikiPageWikiLink Halo_(optical_phenomenon).
- Cloud_iridescence wikiPageWikiLink Ice_crystals.
- Cloud_iridescence wikiPageWikiLink Irisation.
- Cloud_iridescence wikiPageWikiLink Lenticular_cloud.
- Cloud_iridescence wikiPageWikiLink Polar_stratospheric_cloud.
- Cloud_iridescence wikiPageWikiLink Scientific_American.
- Cloud_iridescence wikiPageWikiLink File:Irid_clouds1.jpg.
- Cloud_iridescence wikiPageWikiLinkText "Cloud iridescence".
- Cloud_iridescence wikiPageWikiLinkText "Iridescent Cloud".
- Cloud_iridescence wikiPageWikiLinkText "any other cloud".
- Cloud_iridescence wikiPageWikiLinkText "cloud iridescence".
- Cloud_iridescence hasPhotoCollection Cloud_iridescence.
- Cloud_iridescence wikiPageUsesTemplate Template:Climate-stub.
- Cloud_iridescence wikiPageUsesTemplate Template:Commons_category.
- Cloud_iridescence wikiPageUsesTemplate Template:Convert.
- Cloud_iridescence wikiPageUsesTemplate Template:Reflist.
- Cloud_iridescence wikiPageUsesTemplate Template:Wiktionary.
- Cloud_iridescence subject Category:Atmospheric_optical_phenomena.
- Cloud_iridescence subject Category:Cloud_types.
- Cloud_iridescence hypernym Occurrence.
- Cloud_iridescence type SoccerTournament.
- Cloud_iridescence type Type.
- Cloud_iridescence type Science.
- Cloud_iridescence type Type.
- Cloud_iridescence comment "Cloud iridescence is the occurrence of colors in a cloud similar to those seen in oil films on puddles, and is similar to irisation. It is a fairly uncommon phenomenon, most often observed in altocumulus, cirrocumulus, lenticular clouds and cirrus clouds. The colors are usually pastel, but can be very vivid. Iridescence is generally produced near the sun, with the sun's glare masking it, so it is more easily seen by hiding the sun behind a tree or building.".
- Cloud_iridescence label "Cloud iridescence".
- Cloud_iridescence sameAs Irisierende_Wolke.
- Cloud_iridescence sameAs Nube_iridiscente.
- Cloud_iridescence sameAs Nuage_iridescent.
- Cloud_iridescence sameAs זוהר_עננים.
- Cloud_iridescence sameAs 彩雲.
- Cloud_iridescence sameAs 채운.
- Cloud_iridescence sameAs Iriserande_skyer.
- Cloud_iridescence sameAs Obłoki_iryzujące.
- Cloud_iridescence sameAs Nuvem_iridescente.
- Cloud_iridescence sameAs m.03d33f4.
- Cloud_iridescence sameAs Q1328219.
- Cloud_iridescence sameAs Q1328219.
- Cloud_iridescence sameAs 彩雲.
- Cloud_iridescence wasDerivedFrom Cloud_iridescence?oldid=682931007.
- Cloud_iridescence depiction Irid_clouds1.jpg.
- Cloud_iridescence isPrimaryTopicOf Cloud_iridescence.