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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
An undulating cloudscape over Anglesey, North Wales.
2 thoughts on “John Rowlands”
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Cumulus clouds spotted from the peak of Caer Caradoc, Shropshire, England
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Sun Dog over Lochbuie, United States
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Virga spotted during a hike in the Catalina Mountains, near Tucson, Arizona, US
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Altocumulus undulatus spotted during the early morning along the Hamakua Coast, Big Island, Hawaii, US
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A cloud "dragon" spotted over The Villages, Florida, US
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A reflection of cirrus clouds over Northern California, US
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Incoming clouds which Sabine said followed the end of spring-like weather that had brought record-breaking warmth on this February day, near Arnhem, Netherlands
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Altocumulus lenticularis along with signs of fluctus spotted over the Missouri River, near Wolf Creek, Montana, US
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A winter scene accompanied by iridescence and a 22-degree halo, spotted over Malakwa, British Columbia, Canada
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A contrail winding through the sky over Novosibirsk, Russia
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A view of the sky after the rain had cleared on this day over Wimborne, Dorset, England
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A "circular" representation of cirrus spissatus spotted over Cooma, New South Wales, Australia
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Lacunosus over Tullamore, United States
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Altocumulus undulatus over Kanab, Utah, US
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Signs of asperitas over Northern California, US
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…or made from candy floss, twisted into shape – a very “alive” sky!
They’re hollow! You don’t see that every day. Good capture.