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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
- Cauda (Tail cloud)
- Cavum (Fallstreak hole)
- Congestus
- Contrail (homogenitus)
- Duplicatus
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- Flammagenitus (Pyrocumulus)
- Floccus
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- Fractus
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- Lacunosus
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- Morning Glory Cloud
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- Mediocris
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- Noctilucent
- Pannus
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- Pileus
- Praecipitatio
- Radiatus
- Silvagenitus
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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 sighting of asperitas clouds over Hiawatha (just outside of Cedar Rapids), Iowa, US.
A stunning display of Altocumulus stratiformis undulatus spotted at sunset over Bend, Oregon, US
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A uniquely shaped Altocumulus lenticularis spotted by Sean's wife, Angela, on Halloween evening over Bend, Oregon, US
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Altocumulus lenticularis spotted over Corryvreckan Whirlpool, Isle of Jura, Scotland
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While driving over the Bay Bridge with a few friends to go see the film 'Vertigo', which was filmed in San Francisco by Alfred Hitchcock in 1957, Reven conveyed that the clouds seemed to do battle amidst the skyscrapers, foreshadowing the vertiginous cinematic treat to come. This view was spotted from the Bay Bridge, San Francisco, California, US.
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Iridescence spotted over Taipei, Taiwan
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In a unique juxtaposition, Roger wondered if the barbed wire was there to protect walkers from this 'crocodile', spotted over Gaw Hill, Ormskirk, England
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A view from above the clouds, spotted while flying over the North Sea near Denmark
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On an evening in the estuary, John glanced behind and saw this image, which looked like a wild stallion, spotted over Rogerstown Estuary, County Dublin, Ireland
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Autumn sunset spotted near The Big Tree, Boone County, Missouri, US
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A reflection of the sunset over Cambridge, Massachusetts, US
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Stratocumulus spotted over Yangmei, Taoyuan, Taiwan
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Cumulus congestus spotted over Modbury, Adelaide, South Australia
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Stratocumulus spotted at night from above Chicago, Illinois, US
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Cumulus congestus spotted over Eastern Shore of Chesapeake Bay, Maryland, US
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Stratocumulus over Southwest Greenland
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