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Main Cloud Types
- Cumulus
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Other Clouds
- Arcus
- Asperitas
- Cap / banner clouds
- Capillatus
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- Cataractagenitus
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- Cavum (Fallstreak hole)
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- Lacunosus
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- Morning Glory Cloud
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- Mediocris
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- Pileus
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- 'Supercilium' (not official classification)
- Translucidus
- Tuba / Twister
- Uncinus
- Undulatus
- Velum
- Vertebratus
- 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
Sun Dog (Parhelion) spotted over El Dorado Hills, California, US
Morning sky with signs of altocumulus lenticularis in the distance, spotted near Arnhem, Netherlands
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Cirrus over Laguna Petenchel, Guatemala
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22-degree halo spotted over Abruzzo National Park, Barrea, Italy
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Distrail over Mt. Rainier, Washington, US
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A sky filled with contrails in the midst of a 22-degree halo, spotted over the Foothills in Arizona, US
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A plethora of optical phenomena spotted over El Paso, Texas, US
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22-degree halo over Khomeynishahr City, Esfahan, Iran
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During a Red Arrows flying display rehearsal, Alan realized when reviewing his photographs that he had also captured this vibrant sun dog (parhelion), spotted over RAF Lossiemouth, Moray, Scotland
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22-degree halo over Malakwa, British Columbia, Canada
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A rooftop "slicing through" a vivid corona over Renton, Washington, US
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A vibrant sun dog that has special meaning for Modestino, spotted near Naples, Italy
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A winter scene accompanied by iridescence and a 22-degree halo, spotted over Malakwa, British Columbia, Canada
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Signs of a 22-degree halo, wherein Robyn described her "feet were off the ground, spying the beauty of nature", spotted over Goodyear, Arizona, US
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Sunrise with contrails and fog/mist in the valley, near the Adirondacks, Vermontville, New York, US
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Sun Dogs (Parhelia) amidst a vibrant sky over Montevergine, Italy
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