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Main Cloud Types
- Cumulus
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- Cumulonimbus
Other Clouds
- Arcus
- Asperitas
- Cap / banner clouds
- Capillatus
- Castellanus
- Cataractagenitus
- Cauda (Tail cloud)
- Cavum (Fallstreak hole)
- Congestus
- Contrail (homogenitus)
- Duplicatus
- Diamond dust
- Distrail
- Fibratus
- Flammagenitus (Pyrocumulus)
- Floccus
- Fluctus (Kelvin-Helmholtz)
- Fractus
- Homogenitus
- Horseshoe vortex
- Humilis
- Incus
- Intortus
- Lacunosus
- Lenticularis
- Mamma
- Morning Glory Cloud
- Murus (Wall cloud)
- Mediocris
- Nacreous
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- Noctilucent
- Pannus
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- Pileus
- Praecipitatio
- Radiatus
- Silvagenitus
- Spissatus
- Stratiformis
- '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 colorful sunset with multiple displays of altocumullus lenticularis near Antelope Valley, California, US
A starry night with broken stratocumulus near Bluff, Utah, US
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A unique juxtaposition of a cumulus congestus reaching up towards a layer of altocumulus clouds, spotted by Reven in between storms over Oakland, California, US
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A colorful sunset over Charlotte, Michigan, US
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Storm system with what appears to be falling snow near Tarves, Aberdeenshire, Scotland
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Altocumulus lenticularis with crepuscular rays and shadows at sunset over Brighton, Colorado, US
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Circumhorizon Arc along with virga in the distance, spotted while driving on I-90 in Montana, US
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Storm system with heavy precipitation over Mercogliano, Italy
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"Pieces of clouds" per Ron's description, which is an apt one in this multi-layered look at fractus, spotted over Lake Waco in Waco, Texas, US
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A lone cumulus cloud along with faint crepuscular rays spotted from Jimbaran Beach, Bali, Indonesia
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Lunar iridescence over Tadcaster, North Yorkshire, England
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A grand display of virga, following a day that Martha described as being filled with cirrus uncinus, spotted over Asheville, North Carolina, US
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Sunset over Aratsu Beach as the sun appears from the clouds, spotted near Aratsu, Fukuoka City, Japan
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Two sandstone cloudspotters discussing the weather, as Paul observed, in this photograph of a storm system in the distance, near Bluff, Utah, US
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Fallstreak Hole (Cavum) over Catforth, Preston, England
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A colorful, mixed sky captured by Gail Stewart near Alameda, New Mexico, US
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