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Other Clouds
- Arcus
- Asperitas
- Cap / banner clouds
- Capillatus
- Castellanus
- Cataractagenitus
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- Cavum (Fallstreak hole)
- Congestus
- Contrail (homogenitus)
- Duplicatus
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- Distrail
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- Flammagenitus (Pyrocumulus)
- Floccus
- Fluctus (Kelvin-Helmholtz)
- Fractus
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- Lacunosus
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- Morning Glory Cloud
- Murus (Wall cloud)
- Mediocris
- Nacreous
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- Noctilucent
- Pannus
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- 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 land of Stratocumulus, Cumulus congestus and distant Cumulonimbus spotted at 37,000 feet over Soledad, California, US.
A smooth cloud cap, known as a pileus, forming over the top of a large Cumulus cloud that looks to be building into a storm.
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The Greek god Zeus arrives just ahead of a storm. Spotted over Pacifica, California, US.
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An unusual formation that we think is probably an arcus cloud feature, with virga falling behind it, from a Cumulus congestus, spotted over Antarctica.
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Cumulus congestus clouds building into a storm over Legnano, northern Italy.
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Congestus over Istanbul.
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An Elephant over Wolf Creek, Montana, US.
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Illuminated clouds over Fred Thomas Park, Denver, US.
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Crepuscular Rays over Toyohama, Fukuoka City, Japan.
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A sneaky Pileus on the top of a cloud close to the Mission Mountain Range outside of Ronan, Montana, US.
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Pileus over Celo, North Carolina, US.
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Building storm systems over Cheshire, England.
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Towering cumulus over the Temple of Zeus, Greece.
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Pileus over Launceston, Tasmania.
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A sunrise over Traverse City, Michigan, US.
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A cloudspotting cloud over Napa, California, US.
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