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Main Cloud Types
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Other Clouds
- Arcus
- Asperitas
- Cap / banner clouds
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- Cataractagenitus
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- Cavum (Fallstreak hole)
- Congestus
- Contrail (homogenitus)
- Duplicatus
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- Fibratus
- Flammagenitus (Pyrocumulus)
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- Fractus
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- Intortus
- Lacunosus
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- Mamma
- Morning Glory Cloud
- Murus (Wall cloud)
- Mediocris
- Nacreous
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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
Mamma over Dharamshala, India.
Cirrus over Malmesbury, Wiltshire, England
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Upper level winds creatively reshaping contrails over Gaw Hill, Ormskirk, England
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Signs of supercilum and altocumulus lenticularis over Gareloch, Scotland
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Reflections of a cumulonimbus over Abruzzo National Park, Barrea, L'Aquila, Italy
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A storm system with brief, yet notable, precipitation over Antelope Valley, California, US
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The beginning, or the end, of a rainbow, visible amidst a swirl of clouds over North Dundas Township, Ontario, Canada
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Altocumulus undulatus radiatus spotted by Beatrice's son-in-law, Patrick De Wachter, over Aartselaar, Belgium
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A matching of the sky and landscape, near Seligman, Arizona, US
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An image in the sky upon which Sarah wondered if it looked like either Charles Darwin or Mephistopheles, spotted over Newmarket, Suffolk, England
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Altocumulus stratiformis over Weymouth, Dorset, England
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Altocumulus perlucidus over Laguna Beach, California, US
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Development of cirrus from what appears to be the remnants of contrails, spotted over Farnham, England
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Stratocumulus over the Atlantic Ocean, near Boca Raton, Florida, US
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Circumzenithal Arc spotted over Arnhem, The Netherlands
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Iridescence over Popayán, Colombia
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