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Main Cloud Types
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Other Clouds
- Arcus
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- Cap / banner clouds
- Capillatus
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- Cataractagenitus
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- Cavum (Fallstreak hole)
- Congestus
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- Flammagenitus (Pyrocumulus)
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- Fractus
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- Lacunosus
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- Morning Glory Cloud
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- Mediocris
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- Noctilucent
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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
Signs of virga amidst a scenic sky over Birmingham, England
An abundant display of Altocumulus lenticularis duplicatus, also known as 'pile d'assiettes', spotted over Great Asby, Cumbria, England
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An arcus, indicating the leading edge of a thunderstorm, spotted near Holly Springs, North Carolina, US
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Cumulonimbus illuminated by lightning and reflected in Stony Lake, Ontario, Canada
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Cumulonimbus incus, indicative of a mature thunderstorm, spotted over Tbilisi, Georgia
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An expansive display of Altocumulus spotted over Heswall, Wirral, England
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A plethora of Altocumulus lenticularis duplicatus, also known as 'pile d'assiettes', spotted over Morpeth, Northumberland, England
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Stratocumulus and Stratus spotted over Kangertittivaq, Scoresby Sund, Greenland
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A classic rainbow spotted near Vermontville, Adirondacks, New York, US
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During an active thunderstorm, Kerstin's husband captured an illuminated Cumulonimbus during the frequent lightning strikes, spotted near Biesdorf, Berlin, Germany
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A mesmerizing sunrise over the Atlantic Ocean, viewed near Boca Raton, Florida, US
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Primary and secondary rainbows spotted over Vermontville, Adirondacks, New York, US
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A reflection of the sky captured near LaCrosse, Wisconsin, US
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Signs of asperitas and supercilium spotted during a morning drive from Charlottesville to Culpepper, Virginia, US
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A classic example of a Fallstreak Hole (Cavum) spotted at 2200 BST over Nutley, East Sussex, England
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Mamma spotted over Petaling Jaya, Selangor, Malaysia
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