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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)
- Congestus
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- Duplicatus
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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 plethora of contrails criss-crossing the sky over Catforth, Lancashire, England
A thick layer of Stratus envelopes the hillside, spotted by Suraiya Essof over Signal Hill, Cape Town, South Africa
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Cap Cloud spotted over Mt. Shasta, California, US
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An expansive view from atop Gemsstock Mountain Peak, Andermatt, Switzerland
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A layer of Stratocumulus over Twisp, Washington, US
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Sunrise over Central Province, Iran
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A colourful sunrise over Brighton, Colorado, US
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Altocumulus spotted over National Taipei University of Business, Taiwan
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Sunrise over Oakland, California, US
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Sunrise over Cirencester, Gloucestershire, England
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Sunset with subtle signs of supercilium spotted over Crank, Merseyside, England
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After a week of notable rainfall in the Pacific Northwest, a view of the sunset in an area where there is often a 'rain shadow' due to the nearby Olympic Mountains, spotted over Puget Sound, Seattle, Washington, US
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Signs of pileus spotted over Niepołomice, Poland
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A snowy landscape beneath a setting sun over North Dundas Township, Ontario, Canada
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Eyes within the clouds, spotted during sunrise near Boca Raton, Florida, US
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Bush fire smoke becoming integrated in the wave of air that forms the Morning Glory cloud, spotted over Burketown Area, Australia
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