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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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- 'Supercilium' (not official classification)
- Translucidus
- Tuba / Twister
- Uncinus
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- 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 reclusive lenticularis in a turbulent sky over Milborne Wick, Somerset, UK.
Sun Dog (Parhelion) spotted over Ormskirk, Lancashire, England
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Cumulus obscuring the sun, accompanied by high level cirrus clouds, over North Devon, England
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Multiple contrails over Falls Church, Virginia, US
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Rainbow over Manchester, Connecticut, US
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A dynamic storm system illuminated by the setting sun over San Francisco Bay, near Oakland, California, US
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Fluctus (Kelvin-Helmholtz) spotted on a cold and dry day by Gary Norris in Clynder, Scotland
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An "X" marks the spot between these two contrails, spotted over Taipei, Taiwan
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Cumulus congestus developing into a cumulonimbus amidst the backdrop of a blue sky over Northern California, US
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Contrails and its remnants high in the sky over Taiwan
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Lacunosus over Antelope Valley, California, US
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A broad and impressive display of asperitas over Wancennes, Belgium
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The contrast between land and sky, captured near Yilan, Taiwan
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Circumzenithal Arc seen right above James' home on his granddaughter's 13th birthday, a rare sighting for someone special, spotted in Vancouver, British Columbia, Canada
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Circumhorizon Arc spotted over Antelope Valley, California, US
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22-degree halo over Porthmadog, North Wales
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