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Main Cloud Types
- Cumulus
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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
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- 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
Further proof that Cirrus grows on trees, spotted over Napa, California, US.
Moisture from the remnants of a Pacific Basin tropical cyclone crossing into Las Cruces, New Mexico, US
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Sunrise over Colloroy Beach, Sydney, Australia
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Crepuscular rays at dawn, over Sumirago, Varese, Italy
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A developing storm system over Krzeszowice, Poland
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Crows flying beneath cirrus clouds over Seattle, Washington, US
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An arcus ushering in a storm system over Somerset, England
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A cloud that looks like a giant bird with a huge tail soaring over Virginia Beach, Virginia, US
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Pyrocumulus as a result of the Mine Creek Fire, approximately 48 kilometers to the south of Lower Nicola, British Columbia, Canada
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Cumulus that Rachel thought looked like a smoking dragon, or perhaps a lake monster, spotted near North Dundas Township, Ontario, Canada
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Sunrise as captured by Joan Mello Corda over Orleans, Massachusetts, US
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Gale force winds accompanied by a cap cloud, which is a form of pileus, characterized by a smooth, almost lenticular-like appearance on top of a cumuliform tower and/or an isolated mountain peak, as seen here over the Faroe Islands.
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A sunrise that was so crystal clear that Dean thought it looked like there was lava flowing in the valley, seen here over Española Valley, north of Santa Fe, New Mexico, US
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Stratocumulus over Khomeynishahr City, Esfahan, Iran
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Crepuscular rays at sunrise over the Atlantic Ocean, as seen from Boca Raton, Florida, US
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Subtle reflections of cumulus along Green Lake, Seattle, Washington, US
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