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Other Clouds
- Arcus
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- 'Supercilium' (not official classification)
- Translucidus
- Tuba / Twister
- Uncinus
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- Velum
- Vertebratus
- Virga
- Volutus (Roll cloud)
Optical Effects
- 22° Halo
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- Circumzenithal Arc
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- Halos
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- Infralateral arc
- Iridescence
- Lower Sun Pillar
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- Moondogs
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- 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
Altocumulus stratiformis radiatus over Rufford, West Lancashire, England
Appreciating the view during a rest stop along the Petrified Dunes Trail in Snow Canyon State Park, Utah, US
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22-degree halo accompanied by contrails over Reigate, England
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Fluctus (Kelvin-Helmholtz) spotted over Waalwijk, Netherlands
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22-degree halo over Esfahan, Iran
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Iridescence over Northern California, US
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Waves in the sky, spotted over Taipei, Taiwan
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Virga over São Paulo City, Brazil
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Sun Pillar spotted at sunset over the Pentland Hills towards East Kip, near Leadburn, Midlothian, Scotland
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22-degree halo spotted from the Everett Marina, over Everett, Washington, US
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An epic battle between a witch and a dragon, as seen over Malakwa, British Columbia, Canada
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Unique formations of asperitas and undulatus spotted over Midlothian, Texas, US
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Development of mammatus in conjunction with a storm system over Northwest Iran
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A variety of subtle altocumulus cloud formations spotted over Northern California, US
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An intersection of cloud formations as a result of varying winds at different altitudes, spotted over Nottingham, England
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Iridescence and crepuscular rays as seen from King Power Mahanakhon, also known as the MahaNakhon, in Bangkok, Thailand
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