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Other Clouds
- Arcus
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- Cap / banner clouds
- Capillatus
- Castellanus
- Cataractagenitus
- Cauda (Tail cloud)
- Cavum (Fallstreak hole)
- Congestus
- Contrail (homogenitus)
- Duplicatus
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- Flammagenitus (Pyrocumulus)
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- Fractus
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- Morning Glory Cloud
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- Mediocris
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- Noctilucent
- Pannus
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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
A sighting of asperitas clouds over Hiawatha (just outside of Cedar Rapids), Iowa, US.
A cloud that looks like a large fish chasing a school of fleeing smaller fish, spotted over Atagohama, Fukuoka City, Japan
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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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A storm system with praecipitatio over Torrejon de Ardoz, Spain
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Cumulus spotted throughout the sky, over Randolph, Iowa, US
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A dynamic display of altocumulus lenticularis near Mt. Madison and Mt. Adams in the Northern Presidential Range, New Hampshire, US
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Altocumulus perlucidus spotted over Devanahalli, Bangalore, India
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Altocumulus lenticularis over Italy
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An expansive display of mixed clouds captured by Jack Macleod, near Salem, South Africa
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Pileus spotted over Cotia, Sao Paulo, Brazil
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Glowing goldfish over Glastonbury a few days before the festival opening, near Pilton, Somerset, England
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Cumulonimbus over Eastern Shore of Chesapeake Bay, Maryland, US
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Reflections during sunset over Twin Lakes Recreation Area, Columbia, Missouri, US
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Stratus, with the appearance of a cumulus cloud, 'rising' over Berkeley, California, US
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Crepuscular rays over Hamburg, Germany
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Undulatus spotted over Freuchie, Fife, Scotland
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