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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
- Diamond dust
- Distrail
- Fibratus
- Flammagenitus (Pyrocumulus)
- Floccus
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- Fractus
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- Humilis
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- Intortus
- 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
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- 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
A winter evening scene over the Swan Mountain Range, near Bigfork, Montana, US
Admiring a summer sunset with mammatus (mamma) in the sky near Mt. Royal, Northern Hunter Valley, New South Wales, Australia
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Sunset captured by Ginnie's brother, Paul Powell, over Hubbard Creek Reservoir, Breckenridge, Texas, US
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Sunset over Freiburg, Germany
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Altocumulus undulatus spotted by Ted Burrows over Lexington, Virginia, US
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A winter sunset over Irvine, California, US
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Sunrise accompanied by a cloud, located in the lower right, that looks like a Moose Head with large antlers, spotted over Vermontville, Adirondacks, New York, US
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Sunrise over the Atlantic Ocean, near Boca Raton, Florida, US
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Altocumulus and crepuscular rays spotted looking west over the New Jersey Palisades in the lower Hudson Valley, Westchester, New York, US
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The sky presenting itself as a painting, observed over Stoke Hammond, Buckinghamshire, England
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Sunrise on New Year's Eve, over Twisp, Washington, US
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Dense fog over the Salish Sea, with a myriad of clouds lit up by the setting sun, spotted while looking west towards Vancouver Island, from Sunshine Coast, British Columbia, Canada
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Fallstreak Hole (Cavum) spotted over Sedro Woolley, Washington, US
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A 'sea' of altocumulus over Micco, Florida, US
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An exquisite sunset over the Puget Sound, spotted from Shoreline, Washington, US
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Sunrise over Estrella Foothills, Arizona, US
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