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Main Cloud Types
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Other Clouds
- Arcus
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- Cap / banner clouds
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- Cavum (Fallstreak hole)
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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
A lunar halo spotted over Poelkapelle, Belgium
22-degree halo spotted over Sacramento, California, US
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Circumzenithal Arc spotted over Amenia, New York, US
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Altocumulus lenticularis duplicatus, also known as 'pile d'assiettes', spotted over Mount Shasta, California, US
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22-degree halo spotted over Twisp, Washington, US
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22-degree halo spotted near Birling Gap, Seven Sisters, East Sussex, England
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Northern Lights (Aurora Borealis) along with Jupiter rising to the right of the mesa, near Bluff, Utah, US
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Looking towards the east at sunset, these anti-crepuscular rays were spotted over Dallas, Texas, US
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A plethora of contrails spotted by Sabine at home, while her friend, Gerrit, captured this view from a nearby location, along the banks of the Lower Rhine in Arnhem, The Netherlands
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Circumzenithal Arc spotted in the morning over Krzeszowice, Poland
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Sun Dogs (Parhelion) spotted during sunrise over East Texas Regional Airport, Longview, Texas, US
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A sky filled with cirrocumulus and an array of colours brought forth by iridescence, spotted over Mirabelles-aux-Baronnies, Drome, France
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Cirrostratus undulatus spotted over Madison, Wisconsin, US
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Moon Dogs spotted over Chippenham, Wiltshire, England
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22-degree halo spotted near Devils Tower National Monument, Wyoming, US
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A vivid 22-degree halo spotted around mid-day over Singapore
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