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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
A further image of arcs and halos with a rare spotting of a high sun Parry arc over Anchorage, Alaska.
One thought on “Doug Short”
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Altocumulus over Lianfan, China
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A roll cloud, which is a form of an arcus cloud, spotted near the North West Shelf off of Western Australia
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A unique perspective of a 22-degree halo, with a bee-fly visiting a poppy in the foreground, near Selma, Oregon, US
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Undulatus with indications of altocumulus lenticularis spotted near Zermatt, Switzerland
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Fluctus (Kelvin-Helmholtz) spotted over Baltimore, Maryland, US
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Stratocumulus and altocumulus over Charlotte, Michigan, US
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Glory over Albano, United States
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Crepuscular rays and shadows at sunset near Charlo, Montana, US
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Crepuscular rays emanating like spotlights from the horizon during sunrise over Busquistar, Andalusia, Spain
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Altocumulus lenticularis duplicatus, which is also known via the French term, 'pile d'assiettes', for a 'stack of plates'. This classic example was spotted over Lake Peak in the Sangre de Cristo Mountains, near Santa Fe, New Mexico, US.
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Asperitas over Kester, United States
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Nacreous clouds are often lenticular wave clouds which are found downwind of mountain ranges that induce gravity waves in the stratosphere. These nacreous clouds were spotted by Gary's friend, Sierra Salin, in the early morning hours over Mt. Tamalpais, Marin County, California, US.
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An ephemeral glimpse of supercilium, an unofficial classification for a short-lived cloud formation that resembles eyebrow-like features, spotted over the mountains on a cold and windy day in Montevergine, Mercogliano, Italy
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Stratocumulus with color from the sun, spotted over Jiangxi Province, China
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As Robyn was driving, she spotted a cloud face that also spotted her, over the Estrella Foothills, Arizona, US
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Thanks to Doug for the image and Les Cowley of Atmospheric Optics http://atoptics.co.uk/ for the labelled version.