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Main Cloud Types
- Cumulus
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- Cumulonimbus
Other Clouds
- Arcus
- Asperitas
- Cap / banner clouds
- Capillatus
- Castellanus
- Cataractagenitus
- Cauda (Tail cloud)
- Cavum (Fallstreak hole)
- Congestus
- Contrail (homogenitus)
- Duplicatus
- Diamond dust
- Distrail
- Fibratus
- Flammagenitus (Pyrocumulus)
- Floccus
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- Fractus
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- Morning Glory Cloud
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- Mediocris
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- Praecipitatio
- Radiatus
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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 Dogs (Parhelion) spotted during sunrise over East Texas Regional Airport, Longview, Texas, US
A rabbit running in the sky, spotted over Baltimore, Maryland, US
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Contrails over Sanxia, New Taipei City, Taiwan
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A plethora of contrails illuminated by the sunset over Conwy, North Wales
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High level clouds spotted over Khomeynishahr City, Esfahan, Iran
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Criss-crossing contrails spotted over Seattle, Washington, US
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Cirrus vertebratus spotted over Busquistar, La Alpujarra, Andalucia, Spain
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Sunset over Taylor, Texas, US
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Remnants of contrails in the morning sky over Falls Church, Virginia, US
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A plethora of contrails illuminated by the full moon, spotted over Covarrubias, Burgos, Spain
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A feather-like cloud forms from the remnants of a contrail, spotted over Cirencester, England
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A plethora of contrails over St. Johnsbury, Vermont, US
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A feather-like contrail spotted in the morning sky over Atagohama, Fukuoka City, Japan
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Contrails and cumulus in harmony above the Suffolk countryside, spotted over the Ickworth House, Suffolk, England
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Sunset over Taiwan
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When Lisa first saw this sky, she thought it would be a good quiz for cloudspotters; 'how many different kinds of clouds can one identify?' And it appears that the sky agreed by way of a visible question mark, as spotted here over Bellport Bay, Long Island, New York, US.
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