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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
- Distrail
- Fibratus
- Flammagenitus (Pyrocumulus)
- Floccus
- Fluctus (Kelvin-Helmholtz)
- Fractus
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- Intortus
- Lacunosus
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- Morning Glory Cloud
- Murus (Wall cloud)
- Mediocris
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- Noctilucent
- Pannus
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- Pileus
- Praecipitatio
- Radiatus
- Silvagenitus
- Spissatus
- 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 display of arcs and halos in diamond dust over Kotzebue, Alaska.
Sunset with various hues of orange and pink, spotted over Santa Rosa, California, US
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A peekaboo view of the sun over Taiwan
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A vibrant sky over Meizhou, Guangdong, China
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Stratocumulus over Kansai International Airport, Osaka, Japan
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Lacunosus, a short-lived formation, spotted over Island Beach State Park, New Jersey, US
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A unique perspective of a rainbow during the evening, wherein the view through the front window gave way to raindrops that looked like 'globules of mercury', spotted near Ormskirk, Lancashire, England
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A developing cumulonimbus spotted over Kraków, Poland
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A primary bow and the beginning of a subtle secondary bow, spotted over Sanxia, New Taipei City, Taiwan
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A dissipating storm system over Omaha, Nebraska, US
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A picturesque view of both the clouds and the water while on a whale watching trip, near Rosario Straight, Washington, US
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A myriad of developing storms near Placitas, New Mexico, US
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Altostratus over the peaks of the Huesca area of the Pyrenees mountain range, Spain
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Stratocumulus near Liuqiu Township, Taiwan
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A mixed sky over Fixin, Burgundy, France
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A mix of contrails prior to sunrise over North Dundas Township, Ontario, Canada
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