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Main Cloud Types
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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
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- Intortus
- 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
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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
Group two of the Cloud Appreciation Society Sky Holiday in Blachford Lake Lodge: Sarah Acland (Member 40874), Suzanne Cengia (Member 33510), Lucas Chen (Member 36273), Frank Corral, Laurie Ann Corral (Member 41099), Mark Donovan (Member 37083), Patrizia Donovan (Member 37084), Brian MacEachern, Anne Mattison (Member 38449), Barbara Richardson (Member 40896), Mark Richardson (Member 42827), William Tarr, Connie Tarr (Member 20744), Elyn Zimmerman (Member 25359).
A symphony of clouds over Goodyear, Arizona, US
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Virga highlighted by what appears to be anti-crepuscular rays, accompanied by a rainbow, spotted over Somerset, England
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A view of a portion of a 22-degree halo, spotted over Arnhem, The Netherlands
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An expansive display of Altocumulus lenticularis spotted following a day of rain showers near Montrose, Scotland
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Altocumulus spotted over New Taipei City, Taiwan
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Altocumulus perlucidus spotted over Aberdyfi, Wales
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Precipitation cascading down from a storm, accompanied by Mammatus (Mamma) within the underside of its cloud formation, spotted over Fayetteville, Arkansas, US
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Altocumulus in the fading sunlight, spotted over Barcelona, Catalonia, Spain
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Altocumulus perlucidus spotted shortly after sunrise over Falls Church, Virginia, US
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A mixed sky captured by David's son, Craig West, near Newcastle upon Tyne, England
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A variety of Cumulus spotted over Bidford-on-Avon, Warwickshire, England
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A classic example of Mammatus (Mamma) spotted over Moose Jaw, Saskatchewan, Canada
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Asperitas spotted over Mercogliano, Avellino, Italy
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Altostratus spotted over the Taconic State Parkway, near Austerlitz, New York, US
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Altocumulus with a resemblance to the shape of a jellyfish, spotted over South Knapdale, Argyll, Scotland
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