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Main Cloud Types
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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
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- Flammagenitus (Pyrocumulus)
- Floccus
- Fluctus (Kelvin-Helmholtz)
- Fractus
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- Mediocris
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- Pannus
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- Pileus
- Praecipitatio
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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
Given the visual perspective of the cumulus clouds, it seemed as if they were zooming quickly towards Helen when she spotted them over Somerset, England
A contrail traversing the sky over Kraków, Poland
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The breakdown of a contrail, spotted over Great Crag, Watendlath, English Lake District, England
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Cumulus over Twisp, Washington, US
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"Someone was painting the sky while I watched," as Anabelle described, when she viewed this skyscape over Exeter, Devon, England
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Cirrus cloud formations from homogenitus via prior contrails, which Dan spotted when he was on his way to a Green Bay Packers football game earlier this year, as he travelled through Madison, Wisconsin, US
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Horseshoe vortex spotted over Leuven, Belgium
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A cascade of clouds over the Georgetown airport in Central Texas, near Georgetown, Texas, US
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A face in the sky gazing at a contrail, which looks to be an extension of the fishing pole, spotted over the Rogerstown Estuary, County Dublin, Ireland.
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Cirrus uncinus spotted over Indianapolis, Indiana, US
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Sunset on the longest day of the year, seen over the Wye Nature Reserve, Kent, England
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Sunset over Charlo, Montana, US
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Cirrus vertebratus, which Sabine also views as her stairway to heaven, spotted near Halde Hoheward, Herten, Germany
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Cirrus that appear to have developed by way of homogenitus via contrails, spotted over Wythall, England
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Contrails interwoven like DNA, spotted over Arlington, Washington, US
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A view from above the clouds, over Lake Superior, Ontario, Canada
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