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Main Cloud Types
- Cumulus
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- Stratocumulus
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- Altostratus
- Cirrus
- 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
A view from above the clouds, over the Southern Sierras near Yosemite National Park, California, US
Storm system over Puget Sound and the Olympic Mountains, as viewed to the west from Edmonds, Washington, US
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Circumhorizon Arc over the Olympic Mountains as seen from Sequim, Washington, US
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A land of Stratocumulus, Cumulus congestus and distant Cumulonimbus spotted at 37,000 feet over Soledad, California, US.
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Clouds draped around the slopes of Mount Adams, in Washington, State, US.
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Above the clouds over NW Arizona, US.
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Mamma over Flagstaff, Arizona, US.
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Rain showers over the Hawaiian Island of Kaho’olawe at sunset
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A sunset over Port Ludlow in Washington State, US.
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Turbulence lobes in contrails over Lancaster, California, US
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A Woodpecker over Charleston, South Carolina, US.
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A solar halo, spotted over Lake Sutherland in Washington State US.
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Mammatus clouds over Sequim, Washington, US.
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A Cumulonimbus cloud group rolling across The Bahamas.
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A sunrise over Washington State, US.
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A chaotic sky with sun and a lenticular mix over Sequim, Washington, US.
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