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Main Cloud Types
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Other Clouds
- Arcus
- Asperitas
- Cap / banner clouds
- Capillatus
- Castellanus
- Cataractagenitus
- Cauda (Tail cloud)
- Cavum (Fallstreak hole)
- Congestus
- Contrail (homogenitus)
- Duplicatus
- Diamond dust
- Distrail
- Fibratus
- Flammagenitus (Pyrocumulus)
- Floccus
- Fluctus (Kelvin-Helmholtz)
- Fractus
- Homogenitus
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- Lacunosus
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- Morning Glory Cloud
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- Mediocris
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- Praecipitatio
- Radiatus
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- 'Supercilium' (not official classification)
- Translucidus
- Tuba / Twister
- Uncinus
- Undulatus
- Velum
- Vertebratus
- Virga
- Volutus (Roll cloud)
Optical Effects
- 22° Halo
- 46° Halo
- Circumhorizon Arc
- Circumscribed halo
- Circumzenithal Arc
- Cloudbow / Fogbow
- Corona
- Crepuscular rays & shadows
- Diffuse arcs
- Green flash
- Glory
- Halos
- Helic arc
- Infralateral arc
- Iridescence
- Lower Sun Pillar
- Lower Tangent Arc
- Moonbow
- Moondogs
- Parhelic circle
- Parry antisolar arcs
- Parry arc
- Parry infralateral arc
- Parry supralateral arc
- Rainbow
- Sub parhelion
- Sub-sun
- Suncave parry arc
- Sun dog (Parhelion)
- Sun pillar
- Supernumerary bows
- Subparhelic circle
- Supralateral arc
- Upper tangent arc
- Wegener arc
A dynamic sky captured from the weather station at Bjørnøya (Bear Island), Svalbard, Norway
Virga spotted over Vermontville, Adirondacks, New York, US
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Undulatus spotted shortly before sunrise over Madison, Wisconsin, US
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A mosaic of clouds during sunset over Taylor, Texas, US
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Contrails headed in the direction of the horizon, during sunrise over Silver City, New Mexico, US
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A colourful sunrise over Los Alamos, New Mexico, US
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Altostratus spotted shortly after sunset over Krzeszowice, Poland
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A cloudy sunrise, a prelude to a rainy day over Irvine, California, US
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Virga spotted over Hochsauerlandkreis, North Rhine-Westphalia, Germany
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Sunrise over Vermontville, Adirondacks, New York, US
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A mixed sky on a wintry afternoon near Cheddar Reservoir, Somerset, England
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Sunset over Vermontville, Adirondacks, New York, US
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Following multiple weeks of rain, the blue sky was seen again over Blairgowrie, Perthshire, Scotland
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Early evening sky over São Paulo City, Brazil
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Subtle signs of Fluctus (Kelvin-Helmholtz) spotted over Sky Valley, California, US
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A colourful sunrise over Brighton, Colorado, US
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