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Main Cloud Types
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Other Clouds
- Arcus
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- Cap / banner clouds
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- Cavum (Fallstreak hole)
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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
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- 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
Undulatus over Horizon City, United States
Cirrus with a few passing cumulus clouds, spotted over Atagohama, Fukuoka City, Japan
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A silhouette of a person in the direct line of the reflecting sun, as seen near Berkeley Waterfront, California, US
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A bit of blue sky and iridescence making its way through an otherwise dense blanket of stratocumulus clouds over Taipei City, Taiwan
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Altocumulus across the sky over New Taipei City, Taiwan
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Circumzenithal Arc spotted by Moriah's 11-year-od brother, Anthony, who captured this image near Antelope Valley, California, US
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Sunrise view between a layer of stratus and stratocumulus, spotted via a drone over Sagres, Portugal
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Altocumulus stratiformis and contrails at sunset over Columbus, Ohio, US
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Cumulus over Hsinchu, Taiwan
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Rainbow over t Horntje, Netherlands
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Cap Cloud over Mt. Rainier, Seattle, Washington, US
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A contrail visible at night thanks to the moonlight over Fort Salonga, Long Island, New York, US
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A distrail, short for dissipation trail, forms when an aircraft flies through a supercooled cloud, such as with this altocumulus, as its usually either frozen or supercooled and can show distrails. This example was spotted over Falls Church, Virginia, US.
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Cavum (Fallstreak Hole) spotted over Lynchburg, Virginia, US
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A vivid display of color and texture within these altocumulus clouds over northwest Ohio, US
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A mixture of altocumulus and cirrocumulus spotted over blades of grass near Hohnstein, Saxony, Germany
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