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Main Cloud Types
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Other Clouds
- Arcus
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- Cap / banner clouds
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- Cataractagenitus
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- Cavum (Fallstreak hole)
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- Contrail (homogenitus)
- Duplicatus
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- Fibratus
- Flammagenitus (Pyrocumulus)
- Floccus
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- Fractus
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- Praecipitatio
- Radiatus
- Silvagenitus
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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
Crepuscular rays over Esfahan, Iran
Sunrise over Mahajeran, Iran
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Signs of Fluctus (Kelvin-Helmholtz) spotted on a windy evening shortly after sunset near Taylor, Texas, US
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Crepuscular rays upon undulatus over Northwest Iran
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An 'e' out of the remnants of contrails, spotted at sunrise over Klein-Linden, Gießen, Germany
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An exquisite sunset over Berkeley, California, US
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Supercilium developing in conjunction with dissipating Altocumulus lenticularis, spotted shortly before sunrise over Longmont, Colorado, US
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Sunset with altocumulus clouds, with the shape reminding Carolyn of pince-nez glasses that were very popular in the late 19th century and early 20th century, spotted over Irvine, California, US
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Following consecutive days of overcast weather, the sun made an appearance during the late afternoon, to contribute towards a colourful sunset over Bonnie View Nature Sanctuary, Columbia, Missouri, US
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Marmalade colored cloud spotted in the early evening over Goodyear, Arizona, US
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A blend of colours over Medford, Massachusetts, US
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Sunrise over San Leandro, California, US
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Sunset over Chico, California, US
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Crepuscular rays over Esfahan, Iran
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A mesmerizing view of altocumulus stratiformis undulatus, also known as a 'mackerel sky', spotted over Rossford, Ohio, US
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A display of cirrus at sunset over Vermontville, Adirondacks, New York, US
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