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Main Cloud Types
- Cumulus
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- Stratocumulus
- Altocumulus
- Altostratus
- Cirrus
- Cirrocumulus
- Cirrostratus
- Nimbostratus
- 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
An expansive display of altocumulus over Santa Rosa, California, US
Fog which covered the hillside in the morning had started floating upward, looking like soft cotton candy, spotted over Santa Rosa, California, US
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The view shortly after take-off from Dulles Airport, Virginia, US
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Cumulus congestus propagating over Arlington, Virginia, US
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Evening sky on the longest day of the year, near Falls Church, Virginia, US
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Altocumulus perlucidus over Falls Church, Virginia, US
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Altocumulus perlucidus under fading sunlight, spotted over Falls Church, Virginia, US
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Cumulus drifting over the Washington Monument in Washington D.C., US
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Remnants of multiple contrails spotted over West Falls Church, Virginia, US
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Crepuscular rays emanating from behind cumulus congestus, spotted over Falls Church, Virginia, US
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Sunrise over Falls Church, Virginia, US
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Multiple contrails over Falls Church, Virginia, US
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Cumulus spotted above the buildings in New York City, New York, US
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Stratocumulus undulatus near Havre de Grace, Maryland, US
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A myriad of grey clouds over Falls Church, Virginia, US
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Cumulus clouds passing underneath a layer of altocumulus stratiformis, spotted over Falls Church, Virginia, US
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