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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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- Cataractagenitus
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- Cavum (Fallstreak hole)
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- Duplicatus
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- Mediocris
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- 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 the sky over Sacramento, California, US
Overcast near Ellesmere Port, Cheshire, England
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A mixed sky at sunset over Middlesex, New York, US
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Signs of developing Altocumulus lenticularis over Beinn Bhan, Applecross, Scotland
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Stratus hugging the mountainside, with signs of an Altocumulus lenticularis developing off to the side of the range, spotted on the seaside of Fujian, China
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Crepuscular rays over Adelaide, South Australia, Australia
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Early afternoon sky over São Paulo City, Brazil
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Stratocumulus in the distance, spotted near Qom City, Iran
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A chasm in the sky over Napoopoo Beach Park, Hawaii, US
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Altocumulus lenticularis spotted in the early morning over Mission Mountain Range near Ronan, Montana, US
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Stratocumulus spotted over Lisboa, Portugal
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Crepuscular rays over Wembury Beach, Devon, England
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Crepuscular rays spotted over Funchal, Madeira, Portugal
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Sunrise over University of King's College and Dalhousie University, Halifax, Nova Scotia, Canada
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Limited crepuscular rays spotted at sunset over Taylor, Texas, US
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Upper level winds and subsequent wind shear creating a unique ring around the Cumulus clouds, spotted at sunset near Medford, Massachusetts, US
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