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Main Cloud Types
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Other Clouds
- Arcus
- Asperitas
- Cap / banner clouds
- Capillatus
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- Cataractagenitus
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- Cavum (Fallstreak hole)
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- Duplicatus
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- Morning Glory Cloud
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- Mediocris
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- Pileus
- 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
Reflections of an elongated Altocumulus lenticularis spotted over Antelope Valley, California, US
A mirror image of the sky over The Little Green Farm, Bedford, Virginia, 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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Altocumulus lenticularis spotted over Northern Iran
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Cumulus congestus developing on the horizon on a hot day at Mooloolaba Beach, Queensland, Australia
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Crepuscular rays over the Coast Range Mountains, spotted from the top of Mount Pisgah, Oregon, US
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Cumulonimbus with an arcus outlining the leading edge of the storm, accompanied by pannus, spotted by John's friend, Will Werner, in Brazil
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Cumulus spotted over the Mayan ruins at Aké, Yucatan, Mexico
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The sky presenting itself as a painting, observed over Stoke Hammond, Buckinghamshire, England
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Cumulonimbus spotted over Eastern Shore of Chesapeake Bay, Maryland, US
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Sunrise on New Year's Eve, over Twisp, Washington, US
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Signs of a distrail from a circling airplane spotted over Jiangsu, China
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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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Altocumulus perlucidus spotted over Fort Bragg, California, US
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