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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 sunrise over Boise River Valley, Idaho, US.
6 thoughts on “Jan Boles”
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Undulatus spotted over Lake Stevens, Washington, US
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Cumulus drifting over the beach near Jigyohama, Fukuoka City, Japan
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A sighting of a fluffy dog in the sky over Woburn, Bedfordshire, England
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Cumulus congestus spotted over Asbury Park, New Jersey, US
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Pileus spotted above a Cumulonimbus, near Saeeda Al-Sawaleha, Saudi Arabia
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Cirrostratus and Stratocumulus sharing the sky over Alcester, Warwickshire, England
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A storm system over Lake Maggiore, Piedmont, Italy
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22-degree halo spotted over Orlando, Florida, US
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Sun Dog (Parhelion), which displays a distinct color gradient caused by the refraction of sunlight through ice crystals, with red on the inside (closest to the sun) and fading through orange and yellow to blue/violet on the outer edge, spotted over Ormskirk, West Lancashire, England
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Contrails spotted at sunset over Sant Adrià de Besòs, Spain
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22-degree halo spotted over Petaluma, California, US
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The trademark of a strong cumulonimbus cloud is the overshooting top, a "cauliflower-like" cloud structure extending above the anvil of the storm like a dome. Overshooting tops develop on thunderstorms that have powerful updrafts and they typically develop on Cumulonimbus capillatus incus, as spotted here near Sherman, Illinois, US.
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Subtle crepuscular rays and iridescence spotted over the Carneddau Range, Conwy, Wales
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A plethora of optical phenomena spotted at sunrise over Baltimore, Maryland, US
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22-degree halo with signs of a tangent arc and a sun dog (parhelion), spotted over Veurne, Belgium
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Jan, don’t know how I missed this fabulously beautiful picture in 2012. Glad it popped up in the home page slide show so that I could tell you how much I like it.
amazing colours. Thank you for sharing
I really like this photograph.ompliments from Scotland.
Gorgeously heavenly! What else can one say? A great shot, Jan. I especially like the sun rays radiating upwards and the golden back lit clouds. A memorable picture!
Laurence
Great shot Jan, compliments from the Sierra Nevada’s…. LOL….
Great shot Jan, compliments from the Netherlands