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Main Cloud Types
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Other Clouds
- Arcus
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- Cap / banner clouds
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- Fractus
- Homogenitus
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- Praecipitatio
- Radiatus
- Silvagenitus
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- 'Supercilium' (not official classification)
- Translucidus
- Tuba / Twister
- Uncinus
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- Velum
- Vertebratus
- Virga
- Volutus (Roll cloud)
Optical Effects
- 22° Halo
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- Infralateral arc
- Iridescence
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- Moondogs
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- 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 dotting the sky over Town Beach, Old Saybrook, Connecticut, US
Fluctus (Kelvin-Helmholtz) spotted to the northeast of the East Texas Regional Airport, Texas, US
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An exquisite view of cumulus with the backdrop of a blue sky, spotted over Momochi Seaside Park, Fukuoka City, Japan
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Crepuscular rays over Canberra, Australia
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Horseshoe Vortex over Erwinna, Pennsylvania, US
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A primary rainbow along with a subtle secondary rainbow over Atagohama Central Park, Fukuoka City, Japan
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Cumulus over Khomeynishahr City, Esfahan, Iran
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Iridescence yielding multiple colours over Brighton, Colorado, US
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Circumzenithal Arc spotted over Brighton, Colorado, US
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Crepuscular rays over Esfahan, Iran
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22-degree halo over Cotia, São Paulo, Brazil
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Altocumulus lenticularis duplicates with cumulus fractus in the foreground, spotted over Patagonia, Argentina
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Sun Dogs, also known as a Parhelion, on a cold day near Brighton, Colorado, US
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Cumulus congestus that appears to be on the verge of developing into a cumulonimbus, with a classic example of pileus over the top of its formation, spotted near Tuggeranong, Australian Capital Territory, Australia
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A classic example of altocumulus lenticularis duplicatus, spotted over Picinisco, Lazio, Italy
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An abundance of cumulus clouds over the Muromi River, Fukuoka City, Japan
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