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Main Cloud Types
- Cumulus
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- Stratocumulus
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- Altostratus
- Cirrus
- Cirrocumulus
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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
- Homogenitus
- Horseshoe vortex
- Humilis
- Incus
- Intortus
- Lacunosus
- Lenticularis
- Mamma
- Morning Glory Cloud
- Murus (Wall cloud)
- Mediocris
- Nacreous
- Nebulosus
- Noctilucent
- Pannus
- Perlucidus
- 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
Reflections of cumulus near the coastline of Florida, US
Cirrus undulatus illuminated by the sun at dawn over San Martin de la Virgen de Moncayo, Zaragoza, Spain
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Sunset with a storm on the northwest horizon of the Pacific Ocean, spotted from the beach at Ocean Shores, Washington, US
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Contrail over McKee City, United States
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A vibrant sunset over Oceanside, California, US
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An image of a bird within the clouds over Goodyear, Arizona, US
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A gull enjoying the spectacular view over Princess Bay, Wellington, New Zealand
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Altocumulus lenticularis over a low layer of cumulus clouds, spotted near El Paso, Texas, US
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A reflection of the sky in a canal near Leiden, Netherlands
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Iridescence over Falls Church, Virginia, US
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Sunset view looking across the northwest arm of Halifax Harbour, Halifax, Nova Scotia, Canada
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A storm system near the Waterville Plateau, a large upland area bounded on the west and north by the Columbia River and on the east by the Grand Coulee, near Waterville, Washington, US
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Lacunosus over Marion, United States
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Crepuscular rays over Ormskirk, Lancashire, England
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Sun Dog (Parhelion) over Carmel, Indiana, US
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Cirrus spissatus formation that looks like a "funnel cloud", spotted over Madison, Wisconsin, US
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