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Main Cloud Types
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- Cumulonimbus
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
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- Floccus
- Fluctus (Kelvin-Helmholtz)
- Fractus
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- Lacunosus
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- Morning Glory Cloud
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- Mediocris
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- Noctilucent
- Pannus
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- Pileus
- Praecipitatio
- Radiatus
- Silvagenitus
- Spissatus
- Stratiformis
- '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 and iridescence over Northern California, US
Cumulus congestus developing in the afternoon towards an evening thunderstorm over Curtin, Canberra, Australia
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A layer of stratus that has the appearance of a roll cloud, spotted over Fern Ridge Lake, Oregon, US
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Cumulus fractus with the moon in between, spotted over Pocheon, Gyeonggi Province, South Korea
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Sunset near Vermontville, Adirondacks, New York, US
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A portal from the sky, reflected upon the water, near Crimea, Ukraine
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Crepuscular rays making their way through the stratocumulus over Mendip Hills, Somerset, England
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Asperitas over University Hills, United States
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Cumulus over Khomeynishahr City, Esfahan, Iran
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Corona over Lochbuie, United States
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Altocumulus lenticularis duplicatus spotted over the mountains, from the Missouri River near Wolf Creek, Montana, US
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Sun Pillar over El Paso, Texas, US
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Asperitas over Northern California, US
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On a walk, Monica described it as being wrapped in a startling smorgasbord of cloud beauty, near the San Francisco Bay, California, US
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A rainbow stretching across the sky over Coventry, England
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A varied and mixed sky over Sacramento, California, US
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