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Main Cloud Types
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Other Clouds
- Arcus
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- 'Supercilium' (not official classification)
- Translucidus
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- 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
- 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
A reflection of the sunrise spotted during a morning walk near Fishers, Indiana, US
A mesmerizing sky over Cape Hatteras, North Carolina, US
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Altocumulus spotted over Phoenix, Arizona, US
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Altocumulus lenticularis spotted over Bridgnorth, Shropshire, England
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Sunset over Erfurt, Thüringen, Germany
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Sunset over Nagara River, Fukuoka City, Japan
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Early evening in São Paulo City, Brazil
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A mixed sky spotted by David's son, Craig West, over Heathrow Airport, London, England
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A mesmerizing sunset viewed looking west towards the Southern Alps, from Christchurch, New Zealand
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A sun pillar spotted at sunrise, prior to the arrival of snow near Vermontville, Adirondacks, New York, US
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Altocumulus lenticularis spotted over Featherston, Wairarapa, New Zealand
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A developing storm system spotted by Linda Ihle near Smyrna, South Carolina, US
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Altocumulus and its reflection in the convex mirror, spotted over Marinoa City, Fukuoka City, Japan
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Cumulus congestus taking on the look of a dinosaur's head devouring the sun, spotted over the floodplains next to the Rhine River, Arnhem, The Netherlands
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A classic example of Virga, where precipitation evaporates when it falls into a layer of dry air, spotted over Stuttgart, Killesberg, Germany
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Crepuscular rays spotted over Taipei City, Taiwan
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