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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
- Murus (Wall cloud)
- Mediocris
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- Noctilucent
- Pannus
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- Pileus
- 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
Sun Pillar at sunset over Point, Isle of Lewis, Scotland
Sun Pillar over Le Faou, Brittany, France
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Sun Pillar near Feock, Cornwall, England
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A variation of a sun pillar as the setting sun "reflects" via a low level stratus cloud above the Pacific Ocean, as viewed from a bluff in Lincoln City, Oregon, US
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Sun pillar at sunrise over Kielder Forest, Northumberland, England
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Sunset near Glommen, Halland, Sweden
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Altocumulus in a way that Ronna describes as a "whorl of altocumulus", wherein 'whorl' is defined as "to spiral or move in a twisted and convoluted fashion". Spotted near the Coast Range Mountains and Fern Ridge Lake, Oregon, US
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Sun Pillar with Sun Dogs, being formed here as the sunlight is refracted by the ground level ice crystal cloud, diamond dust, over the Adirondack Mountains in Vermontville, New York, US.
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Sunset over Busan, South Korea
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Sun Pillar over La Colilla, Spain
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Sun pillar over the Coast Range in Oregon, US
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Sunset while looking west from Newquay, Cornwall, England
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Sun dogs and a sun pillar, with a faint 22-degree halo over Sumirago, Varese, Italy
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A radiant sun pillar and sky near Los Osos, California, US
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Sun Pillar over La Colilla, Spain
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An optical display over Vermontville, New York, US
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