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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
- Diamond dust
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- Fibratus
- Flammagenitus (Pyrocumulus)
- Floccus
- Fluctus (Kelvin-Helmholtz)
- Fractus
- Homogenitus
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- Intortus
- Lacunosus
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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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- '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 cloud that looks like a large fish chasing a school of fleeing smaller fish, spotted over Atagohama, Fukuoka City, Japan
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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Light rain spotted near Fukushima, Japan
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Clouds - © Rex Neslon
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Crepuscular rays amidst the cumulus fractus, spotted over Ocean City, New Jersey, US
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A dissipating storm with signs of mammatus (mamma) over North Brunswick, New Jersey, US
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Cirrus uncinus spotted over Indianapolis, Indiana, US
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Mammatus (Mamma) spotted over Sauve, France
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Cumulus congestus spotted from the north end of Lundy Island, England
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Fluctus (Kelvin-Helmholtz) spotted over Chicago, Illinois, 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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Virga over Springwood, New South Wales, Australia
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Above the clouds near Tokyo, Japan
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Sunset after a storm had passed, with the tops of the cumulonimbus visible in the distance, near Vermontville, Adirondacks, New York, US
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Sunset over Charlo, Montana, US
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Evening sky on the longest day of the year, near Falls Church, Virginia, US
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Preceding an intense storm system, signs of asperitas and lacunosus are seen here, spotted by Peter when looking toward the Southern Ocean, near Albany, Western Australia
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A storm system near Masai Mara Park, Kenya
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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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A colourful sky over Spring House, Pennsylvania, US
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Sunrise over the Adirondack Mountains, Vermontville, New York, US
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A storm system over The Villages, Florida, US
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A colorful display of iridescence over Adelaide, South Australia
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Iridescence upon a fish-shaped cloud over Mendip Hills, Somerset, England
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Sunset over Xiàmén, China
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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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Light rain spotted near Fukushima, Japan
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