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Main Cloud Types
- Cumulus
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- Altostratus
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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
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- Morning Glory Cloud
- Murus (Wall cloud)
- Mediocris
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- 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 rare spotting of a Wegener arc crossing a parhelic circle at the anthelic point, over Anchorage, Alaska.
2 thoughts on “Doug Short”
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A storm system over Temecula, California, US
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Cirrus over Baltimore, Maryland, US
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A cloud that Robyn viewed as resembling a prehistoric dinosaur creeping across the sky, spotted over Goodyear, Arizona, US
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Towards the end of a summer day, there appears to be a storm system in the background, with a layer of stratocumulus in the foreground, spotted over the Mission Mountain Range, Ronan, Montana, US
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Dramatic colours in the sky over Constantia, Cape Town, South Africa
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An array of contrails over Lusk Village, County Dublin, Ireland
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Cirrus uncinus spotted over Westbury-sub-Mendip, Somerset, England
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Sunset over Sierra Vista, Arizona, US
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On a family road trip at dusk, listening to Jimmy Hendrix's "Purple Haze", Reven looked up to see sinewy windmills on their tiptoes, whipping the lilac clouds into tiny cloudlettes, near the Altamont Pass Wind Farm, California, US.
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While waiting for his flight at Hong Kong's International Airport, this framed view of a cumulus cloud seemed like a cartoonist's "thought bubble" coming out of the dormant volcano, wherein Steven wondered what it was thinking. This view was captured from inside the Hong Kong International Airport, Chek Lap Kok, Hong Kong.
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Sunset along the beach at Milford on Sea, Hampshire, England
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Cumulonimbus over Columbia, Missouri, US
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Altocumulus at dawn over Madison, Wisconsin, US
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A summer sunrise over Krzeszowice, Poland
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Altocumulus floccus over North Devon, England
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Very interesting and rare shot, Doug ! Congratulations from Brasil!
Thanks to Doug and Les Cowley of Atmospheric Optics http://atoptics.co.uk/ for the background information.
http://atoptics.co.uk/halo/unusual.htm