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Main Cloud Types
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Other Clouds
- Arcus
- Asperitas
- Cap / banner clouds
- Capillatus
- Castellanus
- Cataractagenitus
- Cauda (Tail cloud)
- Cavum (Fallstreak hole)
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- Duplicatus
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- Distrail
- Fibratus
- Flammagenitus (Pyrocumulus)
- Floccus
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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
- Radiatus
- Silvagenitus
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- Stratiformis
- '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
22-degree halo over Northern California, US
Sun Dog (Parhelion) spotted over West Yorkshire, England
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Circumhorizon Arc spotted over Maissin, Belgian Ardennes, Belgium
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Sun Dog (Parhelion) spotted over Crank, St. Helens, Merseyside, England
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A cascade of cumulus spotted from Arthur's Seat, Edinburgh, Scotland
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Altocumulus with signs of iridescence over Rye, East Sussex, England
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Contrails (Homogenitus) over Seaburn, Sunderland, England
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Asperitas following a storm over Bismarck, North Dakota, US
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Cumulus fractus viewed from above, departing the coast of Amsterdam, near Schiphol Airport, Netherlands
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Cumulonimbus over Rotterdam, Netherlands
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Cirrus cloud formation from what appears to be a prior contrail, spotted over Lake Stevens, Washington, US
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Altocumulus with signs of lenticularis near the horizon, spotted over Doolandella, Queensland, Australia
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Cirrus spissatus spotted over Stoke Lacy, Herefordshire, England
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A developing and expansive storm approaching Marina di Pisciotta, Italy
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Crepuscular rays over Beijing, China
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An approaching storm near Old Orchard Beach, Saco, Maine, US
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