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Main Cloud Types
- Cumulus
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- Altostratus
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- Cirrocumulus
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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
- Mamma
- 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
Undulatus at sunset over Vermontville, Adirondacks, New York, US
A mysterious, cloud-swept scene over Milford Sound, South Island, New Zealand
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Altocumulus lenticularis during the start of strong winds along the western Rocky Mountain front, over Chouteau County, Montana
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A colourful sunset over Northern California, US
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Cumulus drifting beneath streaks of cirrus over North Dundas County, Ontario, Canada
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A developing cumulonimbus that later yielded a storm over Mitaka, Tokyo, Japan
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Circumhorizon Arc spotted over Maissin, Belgian Ardennes, Belgium
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A cascade of cumulus spotted from Arthur's Seat, Edinburgh, Scotland
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Altocumulus with signs of iridescence over Rye, East Sussex, England
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Cumulus fractus viewed from above, departing the coast of Amsterdam, near Schiphol Airport, Netherlands
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A developing storm over the Olympic Peninsula and Puget Sound, viewed from Discovery Park, Seattle, Washington, US
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Altocumulus over Khomeynishahr City, Esfahan, Iran
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Virga spotted during the early morning over Goodyear, Arizona, US
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On a flight from Charlotte, North Carolina, to Phoenix, Arizona, Peter conveyed that it was dodging storms along its route, with this view captured over Lebanon, Virginia, US
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A variety of clouds populating the sky over Jigyohama, Fukuoka City, Japan
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Given the visual perspective of the cumulus clouds, it seemed as if they were zooming quickly towards Helen when she spotted them over Somerset, England
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