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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
- Lenticularis
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- Morning Glory Cloud
- Murus (Wall cloud)
- Mediocris
- Nacreous
- Nebulosus
- 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 fire-breathing cloud over Hakata Bay, Fukuoka City, Japan.
A duck traversing the reflection of the cumulus clouds, spotted on the Connecticut River, near Turners Falls, Massachusetts, US
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Two areas of developing cumulonimbus, spotted along the horizon near North Dundas Township, Ontario, Canada
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A slice of the sun shining in between layers of stratocumulus, spotted over Krzeszowice, Poland
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A full moon with passing stratus fractus over Collioure, France
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Altocumulus lenticularis spotted near Twisp, Washington, US
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Altocumulus lenticularis over Svalbard, Norway
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Stratocumulus over Krakow, Poland
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An opening spotted amidst the cumulus clouds over Esfahan, Iran
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A developing cumulonimbus reflected on a car hood, spotted near Meinohama Fishing Port, Fukuoka City, Japan
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A developing cumulonimbus spotted near Richmond Hill, Georgia, US
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Reflections of altocumulus lenticularis over Mirror Lake, Lake Placid, New York, US
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A colourful display over North Brunswick, New Jersey, US
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Subtle signs of fluctus (Kelvin-Helmholtz) spotted over Singapore
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A view of clouds and the landscape below, captured by Anuja's son-in-law, Varun Reddy, near Byool Farmstay, Dharamshala, Himachal Pradesh, India
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Multiples examples of cumulonimbus incus, also known as anvil clouds, along with a lower layer of altocumulus undulatus, as seen from 37,000 feet above Mississippi, US
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