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Main Cloud Types
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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
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- Fibratus
- Flammagenitus (Pyrocumulus)
- Floccus
- Fluctus (Kelvin-Helmholtz)
- Fractus
- Homogenitus
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- Incus
- Intortus
- Lacunosus
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- Morning Glory Cloud
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- Mediocris
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- Noctilucent
- Pannus
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- Pileus
- Praecipitatio
- Radiatus
- Silvagenitus
- Spissatus
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- '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
Stratocumulus over the Atlantic Ocean, near Boca Raton, Florida, US
A layer of stratocumulus spotted near Farndon, Chester, England
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Undulatus spotted over Sky Valley, California, US
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Stratocumulus visible at night with the moonlight, spotted near Neah Bay, Washington, US
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Altocumulus perlucidus above a layer of stratocumulus, spotted over Taoyuan, Taiwan
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Sun Dog (Parhelion) spotted over Austin, Texas, US
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A view from above Lake Erie, US
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Stratus along the hillside, spotted near the entrance of Heukseok Mountain Healing Forest, South Korea
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Crepuscular rays during sunrise over the Atlantic Ocean, near Boca Raton, Florida, US
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A mirror reflection of stratocumulus spotted near Berkeley, California, US
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Following a few days of white mist/rain that concealed the mainland, a grand display of clouds became visible near the Isle of Skye, spotted while looking across to mainland hills and Loch Hourn, Scotland
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Altocumulus lenticularis spotted at sunset over Antelope Valley, California, US
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A storm system over Rotterdam, The Netherlands
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A vibrant sky over Micco, Florida, US
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Crepuscular rays and shadows illuminate the sky at sunset, following a fast moving storm near Tonto National Forest, Arizona, US
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Sunset over Taylor, Texas, US
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