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Main Cloud Types
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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
- Humilis
- Incus
- Intortus
- Lacunosus
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- Mamma
- Morning Glory Cloud
- Murus (Wall cloud)
- Mediocris
- Nacreous
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- Noctilucent
- Pannus
- Perlucidus
- 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
A contrast of high and low formations over Poland, Ohio, US.
Kelvin-Helmholtz over Rillito, United States
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Cumulus fractus over Khomeynishahr City, Esfahan, Iran
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Sunrise over Aberdeen, Scotland
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A surfboard that has a similar shape to the cirrus clouds above, spotted at Lawrencetown Beach Provincial Park, Nova Scotia, Canada
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Altocumulus over Falls Church, Virginia, US
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A storm system on the horizon near Shilin District, New Taipei City, Taiwan
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Circumzenithal Arc over Wittmann, United States
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Corona over Northern California, US
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Sunset over Davidson Mill Pond Park, near South Brunswick, New Jersey, US
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An ominous looking storm near Siler City, North Carolina, US
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Cirrus spotted over Falls Church, Virginia, US
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Cumulus fractus on a hot sunny day near Penghu, Taiwan
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A dissipating storm system over Cambridge, England
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A maturing cumulus congestus spotted in between buildings over New Taipei City, Taiwan
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A sunset composed of striking colours, viewed from the Noko Ferry Terminal, Fukuoka City, Japan
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