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Other Clouds
- Arcus
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- 'Supercilium' (not official classification)
- Translucidus
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- Uncinus
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- Vertebratus
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- 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
On an early summer afternoon, Junichi spotted what appeared to be clouds that were dancing over Hakata Station, Fukuoka City, Japan
Altocumulus stratiformis radiatus over Bentworth, Hampshire, England
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A vivid reflection of altocumulus over Surry, Maine, US
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Altocumulus stratiformis undulatus spotted over Mt. Batur, a volcano on the island of Bali, Indonesia
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Altocumulus stratiformis over Weymouth, Dorset, England
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Undulatus over Hyderabad, India
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Altocumulus stratiformis undulatus spotted at night over Llanelli, Wales
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A variety of altocumulus over Magnuson Park, Seattle, Washington, US
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Signs of altocumulus stratiformis radiatus spotted over the Jemez Mountains in Los Alamos. New Mexico. US
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Flying above the clouds over St. Marks Wildlife Refuge, Florida, US
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An expansive display of altocumulus over Santa Rosa, California, US
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Altocumulus stratiformis radiatus, often seen as a precursor to changing weather patterns, spotted over Hitchin, Hertfordshire, England
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Fallstreak Hole (Cavum) spotted over Gaw Hill, Ormskirk, West Lancashire, England
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Altocumulus stratiformis with signs of a fallstreak hole (cavum), spotted over St. Paul, Minnesota, US
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Altocumulus with signs of lenticularis near the horizon, spotted over Doolandella, Queensland, Australia
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Altocumulus over Khomeynishahr City, Esfahan, Iran
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