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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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- Duplicatus
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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
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- Circumzenithal Arc
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- 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
Shelf Cloud over Sprague, Canada
A mixed sky over Dover, Delaware, US
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Birds flying beneath cirrostratus, spotted over Esfahan, Iran
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Following consecutive days of overcast weather, the sun made an appearance during the late afternoon, to contribute towards a colourful sunset over Bonnie View Nature Sanctuary, Columbia, Missouri, US
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Crepuscular rays and iridescence spotted over Mahajeran, Northwest Iran
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Cumulonimbus over Brisbane, Queensland, Australia
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Virga with a subtle rainbow spotted over the Adirondack Mountains, Vermontville, New York, US
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Altocumulus and Cumulus fractus spotted over Zhongzheng District, Taipei City, Taiwan
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A gap in cloud cover just beyond the edge of cumulus congestus, spotted over San Juan, Puerto Rico
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Fluctus (Kelvin-Helmholtz) spotted over the Rockies, near Brighton, Colorado, US
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Fall Larch trees in the fog near Bigfork, Montana, US
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Marmalade colored cloud spotted in the early evening over Goodyear, Arizona, US
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Altocumulus stratiformis undulatus, also known as a 'mackerel sky', spotted over Burton on Trent, England
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Fog spotted by Alina Payne, from the Settignano Hills over the valley in Florence, Italy
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Virga spotted over Allendale, Michigan, US
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A classic example of a rare horseshoe vortex spotted over Roanoke, Virginia, US
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