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Main Cloud Types
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Other Clouds
- Arcus
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- Cap / banner clouds
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- Cavum (Fallstreak hole)
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- Morning Glory Cloud
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- Mediocris
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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
Stratus over Passy, France
Sunrise with altocumulus lenticularis and pileus over the Adirondack Mountains, near Vermontville, New York, US
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Sun Dog (Parhelion) spotted on a meaningful day for Janis, near El Dorado Hills, California, US
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Altocumulus undulatus over Arlington, Virginia, US
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Clouds emanating upward from the horizon, spotted over Pitman, New Jersey, US
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Sun Dog (Parhelion) intersecting with a contrail, spotted from the campus of ArtCenter College of Design, in Pasadena, California, US
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Cumulonimbus over La Rinconada, Spain
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A flock of birds under a canopy of clouds, spotted over Rome, Italy
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Reflections of cumulus over Northern California, US
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Cirrus uncinus moved into the region following record high temperatures in Adelaide, Australia
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As Rachel observed, someone pulled a rabbit out of the sunset, near North Dundas Township, Ontario, Canada
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22-degree halo spotted over Stanford University, California, US
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An early morning mix of clouds near Lowestoft, England
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Cirrus over Auckland Airport, New Zealand
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Crepuscular rays and shadows over Northern California, US
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Stratus layer that Yvonne said looked like liquid pouring over the Tararua Ranges, spotted near Otaki, North Island, New Zealand
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