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Main Cloud Types
- Cumulus
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- Stratocumulus
- Altocumulus
- Altostratus
- Cirrus
- Cirrocumulus
- Cirrostratus
- Nimbostratus
- 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
Cumulus congestus with pannus below, which is a type of fractus cloud at low heights, detached and of irregular form, as spotted over Cooma, New South Wales, Australia
A mirror reflection of a sunset, over Twin Lakes Recreation Area, Columbia, Missouri, US
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A colourful sunset reflected in the Torrens River, Adelaide, Australia
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With relative humidity at ~15% and dry surface conditions, signs of virga spotted over Brighton, Colorado, US
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A view from above the clouds, on a flight from Rochester, New York, to Texas, US
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Signs of a developing Cumulus congestus spotted over Falmouth, Cornwall, England
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Crepuscular rays spotted over Glenelg Beach, South Australia, Australia
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Altocumulus perlucidus translucidus spotted over Frosinone, Italy
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22-degree halo over San Carlos Bay, Sonora, Mexico
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A variety of Cumulus clouds spotted over Tea Tree Gully, Adelaide, South Australia, Australia
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Cumulus congestus spotted over Vancouver, Washington, US
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A large-sized Altocmululs lenticularis spotted by Lauren's daughter, Cailyn Brierley, over Mt. Shasta, California, US
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Watching this cloud formation move and rotate across the sky as the sun set, changing colour every minute or so, Chandra found this time looking upward over her Aunt's farm to be time well spent, near Scott Creek, South Australia, Australia.
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Cirrus uncinus spotted above a mountain peak near Rottach-Egern, Lake Tegernsee, Bavaria, Germany
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Cumulonimbus over Barcelona, Spain
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A developing storm spotted over Taiwan
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