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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
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- Humilis
- Incus
- Intortus
- Lacunosus
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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 view from above the clouds, over Chetumal Bay, Yucatan Peninsula, Mexico
A circling contrail spotted over Peekskill, New York, US
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Cumulus spotted during mid-day near Ruifang District, New Taipei City, Taiwan
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Altocumulus lenticularis spotted over Melbourne, Australia
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Cumulus and cumulus fractus over Bluff, Utah, US
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Altocumulus intercepted by contrails over Zhongshan District, Taipei City, Taiwan
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A blending of the cloud and the mountain snow over a ridge east of Denali, Alaska, US
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Cirrus clouds in the evening light, during sunset over Notre Dame Marinoa, Fukuoka City, Japan
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Following two weeks of rain, the clouds began to part ways over Busquistar, Andalusia, Spain
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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
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Cumulus dotting the sky over Town Beach, Old Saybrook, Connecticut, US
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A colourful sky spotted over Keawakapu, Maui, Hawaii, US
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A vivid rainbow viewed from Stearns Wharf in Santa Barbara, California, US
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Distrail over Mt. Rainier, Washington, US
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A ring of clouds over the Mayan Ruins, Caracol, Cayo, Belize
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Low lying clouds near Yilan, Toucheng, Taiwan
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