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Main Cloud Types
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Other Clouds
- Arcus
- Asperitas
- Cap / banner clouds
- Capillatus
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- Cataractagenitus
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- Cavum (Fallstreak hole)
- Congestus
- Contrail (homogenitus)
- Duplicatus
- Diamond dust
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- Fibratus
- Flammagenitus (Pyrocumulus)
- Floccus
- Fluctus (Kelvin-Helmholtz)
- Fractus
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- Lacunosus
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- Mediocris
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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 sunrise over the Front Range, Colorado, US.
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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A layer of altocumulus above what appears to be low-lying stratus clouds formed via homogenitus, as a result of the nearby power plant and a variety of particles that act as condensation nuclei. This view overlooking Uskmouth Power Station, South Wales, is from Portishead, Somerset, England.
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A view from above the clouds, of a layered "field" of low-lying clouds, with a textured or rolling appearance, giving the indication that this is a layer of stratocumulus clouds, spotted during a flight over Albania
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Autumn view of Altocumulus stratiformis, spotted from Pinnacles Youth Park, Boone County, Missouri, US
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A blend of colours over Medford, Massachusetts, US
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Sunrise over San Leandro, California, US
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Altocumulus lenticularis spotted over Gardner, Massachusetts, US
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Stratus fractus spotted over Isle of Skye, Scotland
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Sunset over Chico, California, US
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A storm developing over Northwest Iran
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Crepuscular rays over Esfahan, Iran
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