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Other Clouds
- Arcus
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- 'Supercilium' (not official classification)
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- Volutus (Roll cloud)
Optical Effects
- 22° Halo
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- Green flash
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- Halos
- Helic arc
- Infralateral arc
- Iridescence
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- Parry antisolar arcs
- Parry arc
- Parry infralateral arc
- Parry supralateral arc
- Rainbow
- Sub parhelion
- Sub-sun
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- Sun dog (Parhelion)
- Sun pillar
- Supernumerary bows
- Subparhelic circle
- Supralateral arc
- Upper tangent arc
- Wegener arc
Altocumulus lenticularis over a mountain range near the airport in Ljubljana, Slovenia
Altocumulus undulatus spotted over Pietracorbara, Cap Corse, France
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Crepuscular rays and shadows near Gurnard, Isle of Wight, England
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Stormy sky over Coigach, Northwest Highlands, Scotland
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Altocumulus floccus spotted in the early morning over Falls Church, Virginia, US
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Signs of virga spotted over Goodyear, Arizona, US
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Cumulus spotted over the Tejo River (Tagus), Lisboa, Portugal
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Mammatus (Mamma) spotted over Petaling Jaya, Malaysia
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A reflection of a storm on the horizon, spotted near Taichung, Taiwan
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Cumulus spotted over northwest Iran
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Altocumulus spotted over Esfahan, Iran
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Cotton candy on a rainbow stick, spotted over Vermontville, Adirondacks, New York, US
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A reflection of clouds in the Atlantic Ocean, spotted near Boca Raton, Florida, US
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Altocumulus stratiformis undulatus, also known as a 'mackerel sky', spotted over Blairgowrie, Perthshire, Scotland
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Stratocumulus spotted over Badalona, Catalonia, Spain
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Cirrus spotted during the afternoon over Madison, Wisconsin, US
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