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Main Cloud Types
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- Cumulonimbus
Other Clouds
- Arcus
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- Cap / banner clouds
- Capillatus
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- Cataractagenitus
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- Cavum (Fallstreak hole)
- Congestus
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- Duplicatus
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- Flammagenitus (Pyrocumulus)
- Floccus
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- Fractus
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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
- 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
Cumulus spotted over Esfahan, Iran
Cumulus humilis spotted over Falls Church, Virginia, US
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A colourful evening view over Mahajeran, Iran
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Pileus spotted above Cumulus congestus near Guna, Madhya Pradesh, India
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Cumulus congestus over the Bavarian Alps, Germany
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Sunset over North Dundas Township, Ontario, Canada
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Reflections of Cumulus near Bidford-on-Avon, Warwickshire, England
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Crepuscular rays and shadows spotted shortly after sunrise near Sacramento, California, US
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Crepuscular rays spotted over the Alps in Austria
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A mixed sky over Swindon, Wiltshire, England
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Crepuscular rays spotted over the North Sea, an hour away from the coast of North Holland, The Netherlands
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Cumulus that looked like a frog leaping across the sky, spotted over Atagohama Central Park, Fukuoka City, Japan
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Cumulus fractus illuminated in varying degrees, spotted over Brooktrails, California, US
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Fluctus (Kelvin-Helmholtz) spotted over Toronto, Canada
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Altocumulus lenticularis and Altocumulus floccus spotted by Nancy's granddaughter, Violet, near Yellowstone National Park, US
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A 'falcon' spotted over Tasmania, Australia
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