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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
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- Fibratus
- Flammagenitus (Pyrocumulus)
- Floccus
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- Fractus
- Homogenitus
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- Mediocris
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- Praecipitatio
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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
Sings of a partial lunar halo in the night sky over Seattle, Washington, US
Cumulus over Zhangqiu District, Jinan City, Shandong Province, China
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A heart-shaped opening in the cumulus cloud along the horizon, spotted near Chilsan-dong, Dongnae-gu, Busan, South Korea
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Pileus on the tops of cumulus congestus, spotted over Madison, Wisconsin, US
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Sunset after a day of high winds and rain near the Adirondacks, Vermontville, New York, US
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A moonlit night over Curtin, Canberra, Australia
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Cumulus congestus over Winthrop, Washington, US
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Altocumulus at sunset over Hobart, Tasmania, Australia
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Pyrocumulus over the Perth Hills, Perth, Western Australia
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Altocumulus undulatus over Kamloops, British Columbia, Canada
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A storm on the horizon near Villafranca di Verona, Italy
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A primary and secondary rainbow over Bluff, Utah, US
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22-degree halo over Beijing, China
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Sunlight reflecting off of altocumulus clouds over Perak, Malaysia
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Fluctus (Kelvin-Helmholtz) near the horizon, spotted over North Dundas County, Ontario, Canada
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Altocumulus stratiformis radiatus over Rufford, West Lancashire, England
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