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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 sunset over Heerlen, the Netherlands.
One thought on “Math Gossens”
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Contrails (Homogenitus) over a layer of altocumulus, spotted near San Bernardino County, California, US
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Altocumulus stratiformis over Antelope Valley, California, US
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A reflection of a partial rainbow spotted over Salmon Arm, British Columbia, Canada
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Intersecting contrails spotted over National Taipei University, Taiwan
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A partial rainbow spotted over Eastern Shore, Chesapeake Bay, Maryland, US
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Undulatus along with what appears to be part of a 22-degree halo, spotted over Southern California, US
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Fluctus (Kelvin-Helmholtz) as seen through a reflection off of window panes, spotted over Bayside Place, Fukuoka City, Japan
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Stratocumulus over Lancaster, Pennsylvania, US
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22-degree halo over Solana Beach, California, US
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Fluctus (Kelvin-Helmholtz) at sunset over the Coast Range mountains west of Eugene, Oregon, US
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Virga that look like "cloud fireworks", spotted over Willits, California, US
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22-degree halo over Sedro-Woolley, Washington, US
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Altocumulus stratiformis over North Devon, England
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Lacunosus by way of an isolated altocumulus cloud over Worthing, West Sussex, England
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Cumulus over Zhangqiu District, Jinan City, Shandong Province, China
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Wat een mooie lucht!