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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
- 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 humilis, which are cumuliform clouds with little vertical extent and are common in the summer, spotted over Mirror Lake, near the Adirondack Mountains and the Olympic Village of Lake Placid, New York, US.
A developing cumulonimbus spotted by Anuja's sister, Tanuja Prasad, over Sahastradhara, a hill station in the foothills of the Himalayas, in Himachal Pradesh, India
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A view of the moon in between the clouds over Esfahan, Iran
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The breakdown of a contrail, spotted over Great Crag, Watendlath, English Lake District, England
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A developing storm system that Damian thought resembled a big cloud talking to a small cloud, spotted over Alabama, US
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Altocumulus over Vermontville, Adirondacks, New York, US
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Cumulus over Twisp, Washington, US
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The union of clouds and sea, as Santiago reflects on traditional Chinese mythology, evokes a sense of vastness, eternity, and selflessness. This depiction of such a union was spotted near Xiangshuiwan Community, Lingshui County, Hainan Province, China.
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Puffs of white throughout the sky over Wimborne, Dorset, England
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Altocumulus lenticularis spotted near Combe Hay, Bath, England
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Cumulus fractus populating the sky over Northern California, US
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Noctilucent spotted at approximately 3:00 AM local time over Rechitsa, Belarus
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A unique juxtaposition of clouds and light, yielding a sight that is ripe for the imagination, spotted over Gaw Hill, Ormskirk, England
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A storm system that rolled in quickly, accompanied by heavy rain, spotted by Ellen Hatley over Winnipeg, Manitoba, Canada
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A vibrant sunset over Odo Yacht Harbor, Fukuoka City, Japan
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Signs of noctilucent clouds as Simon travelled overnight across the Atlantic Ocean, approaching Dublin, Ireland
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