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Main Cloud Types
- Cumulus
- Stratus
- 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
A horseshoe vortex over Salamander Bay, NSW, Australia.
Rainbow over Reifenberg, Germany
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Asperitas over Ottawa, Ontario, Canada
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Altocumulus spanning the sky over New Brunswick, New Jersey, US
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Virga over Greenfield, California, US
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Cirrus spissatus over Aratsu Bridge, Fukuoka City, Japan
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Asperitas with some subtle lacunosus over Gatineau, Quebec, Canada
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Cirrostratus over Kaohsiung, Taiwan
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Undulatus over Federal Way, Washington, US
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A high level display of altocumulus stratiformis undulatus, otherwise known as a mackerel sky, over Hampshire, England
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Cumulus clouds over Kaohsiung City, Taiwan
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Cumulonimbus over Cohoon Ridge, Honduras
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A spectacular fallstreak hole (cavum) spotted near Seattle, over Snohomish, Washington, US
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Stratocumulus resembling a great white shark over Mississauga, Ontario, Canada
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A mixed sky which Benjamin says reflects an approaching warm front near Vale of White Horse, Oxfordshire, England
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Cumulus over the Pocomoke River, Eastern Shore of Chesapeake Bay, Maryland, US
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Filter By:
Main Cloud Types
- Cumulus
- Stratus
- 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
A horseshoe vortex over Salamander Bay, NSW, Australia.
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Rainbow over Reifenberg, Germany
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Asperitas over Ottawa, Ontario, Canada
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Altocumulus spanning the sky over New Brunswick, New Jersey, US
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Virga over Greenfield, California, US
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Cirrus spissatus over Aratsu Bridge, Fukuoka City, Japan
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Asperitas with some subtle lacunosus over Gatineau, Quebec, Canada
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Cirrostratus over Kaohsiung, Taiwan
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Undulatus over Federal Way, Washington, US
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A high level display of altocumulus stratiformis undulatus, otherwise known as a mackerel sky, over Hampshire, England
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Cumulus clouds over Kaohsiung City, Taiwan
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Cumulonimbus over Cohoon Ridge, Honduras
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A spectacular fallstreak hole (cavum) spotted near Seattle, over Snohomish, Washington, US
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Stratocumulus resembling a great white shark over Mississauga, Ontario, Canada
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A mixed sky which Benjamin says reflects an approaching warm front near Vale of White Horse, Oxfordshire, England
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Cumulus over the Pocomoke River, Eastern Shore of Chesapeake Bay, Maryland, US
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