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Main Cloud Types
- Cumulus
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- Cumulonimbus
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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- Incus
- Intortus
- Lacunosus
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- Morning Glory Cloud
- Murus (Wall cloud)
- 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
Cirrus uncinus over Charlotte, Michigan, US
Altocumulus stratiformis over London, England
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Cirrocumulus spotted over Antelope Valley, California, US.
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Altocumulus floccus over San Blas, Mexico.
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Altocumulus floccus over Baltimore, Maryland, US.
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A sunset over Taipei city, Taiwan.
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Altocumulus Floccus over Canberra, Australia.
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A view from a hot tub of the sky over Sausalito, California, US.
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A sunset over Prescott, Arizona, US.
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Altocumulus floccus over West Berkshire, England.
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Altocumulus over Great Malvern, Worcestershire, England.
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A sunrise over East Garston, West Berkshire, England.
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A popcorn filled sky over Merano, South Tyrol, Northern Italy.
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The sky over Esfahan, Iran, filled with 'popcorn'
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A popcorn cloud sky over Los Altos, California, US.
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No room for blue in this cloud filled sky over Barnet, North London, UK.
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