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Other Clouds
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- 'Supercilium' (not official classification)
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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
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- Infralateral arc
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- 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 long range view of an Altocumulus volutus, otherwise known as a Roll cloud, extending northward 50 kilometers. In total, it was reported that this band extended 300 kilometers. This photograph was taken near Newcastle, New South Wales, Australia.
Sun pillar at sunset over Monte Porzio Catone, Rome, Italy
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The iceberg, as Steven observes, appears to be pointing to the sky, 'look up there', spotted over Southern Greenland
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A starfish captured by Valerie James near Bentworth, England
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Notable mammatus (mamma) within a storm system over Bluff, Utah, US
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Mammatus (Mamma) spotted over North Gloucestershire, England
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Layers of clouds spotted over Dunwich Beach, Suffolk, England
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A collection of cumulus over New Taipei City, Taiwan
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Virga spotted over Dąbrowa Górnicza, Poland
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Altocumulus floccus spotted over Husky Stadium at the University of Washington, Seattle, Washington, US
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Altocumulus stratiformis undulatus, also known as a mackerel sky, was captured by Carl McGarrigle, who also remarked 'I forgot to iron the sky this morning'. This classic example was spotted over Preston, Lancashire, England.
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Signs of supercilium spotted over Halle, The Netherlands
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A stray cumulus spotted over Cologne, Germany
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Sunset over Twisp, Washington, US
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A view of a waterway leading to an active sky over Cheddar, Somerset, England
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A dissipating cumulonimbus spotted near Collingbourne Kingston, Wiltshire, England
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