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Main Cloud Types
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Other Clouds
- Arcus
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- Cap / banner clouds
- Capillatus
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- Cataractagenitus
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- Cavum (Fallstreak hole)
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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
Haar or sea fret, also known as a cold sea fog, occurs most often on the east coast of Scotland between April and and September, when warm air passes over the cold North Sea, is seen here over Coll Beach, Isle of Lewis, Scotland
Cumulus that looks like a dog's head looking to the side, spotted over Vancouver, Washington, US
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Moon Dogs, also known as paraselenae, a rare optical phenomenon, spotted along with a 22-degree lunar halo over Sumirago, Varese, Italy
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Sunset accompanied by mammatus (mamma) clouds, following heavy rain in Karachi, Pakistan
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Altocumulus lenticularis amidst a golden sky near Tangier, Morocco
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A colourful sunset over North Dundas Township, Ontario, Canada
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A cold front accompanied by a stormy sky near Holland, Michigan, US
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A mesmerizing sunrise for the fishermen at Marinatown Seaside Park, Fukuoka City, Japan
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A sunset view captured by Haruko's son, Ben, while visiting Magnolia, Kentucky, US
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Signs of supercilium spotted briefly near Charlo, Montana, US
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Sunrise over Oakland, California, US
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Altocumulus perlucidus spotted during sunrise over York, England
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Cirrus uncinus spotted during the morning over Modbury Heights, Adelaide, South Australia, Australia
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A view from high above the clouds, near Seattle, Washington, US
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A variety of clouds spotted over Micco, Florida, US
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Sunrise over Fancy Farm, Kentucky, US
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