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Main Cloud Types
- Cumulus
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- Stratocumulus
- Altocumulus
- Altostratus
- Cirrus
- Cirrocumulus
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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
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- Intortus
- Lacunosus
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- Morning Glory Cloud
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- Mediocris
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- Noctilucent
- Pannus
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- Pileus
- Praecipitatio
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- '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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Crepuscular rays and shadows from a setting sun, spotted over Stuttgart, Killesberg, Germany
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Cumulus fractus spotted over Winthrop, Washington, US
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Signs of asperitas and lacunosus spotted over North Dundas Township, Ontario, Canada
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Horseshoe vortex spotted over Brighton, Colorado, US
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Asperitas, with the look of waves in the sky, spotted over Vermontville, Adirondacks, New York, US
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Stratocumulus spotted over Lisboa, Portugal
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A developing storm system spotted by Linda Ihle near Smyrna, South Carolina, US
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Altocumulus and its reflection in the convex mirror, spotted over Marinoa City, Fukuoka City, Japan
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Cumulus congestus taking on the look of a dinosaur's head devouring the sun, spotted over the floodplains next to the Rhine River, Arnhem, The Netherlands
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Low lying Stratus fractus developing near the ground, following rain in Maleny, Brisbane, Australia
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A classic example of Virga, where precipitation evaporates when it falls into a layer of dry air, spotted over Stuttgart, Killesberg, Germany
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Crepuscular rays spotted over Taipei City, Taiwan
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A plethora of contrails spotted near Munich, Bavaria, Germany
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Cumulus humilis spotted on an afternoon at the Alster, a tributary of the Elbe River, near Hamburg, Germany
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A face in the clouds, spotted on the way to a music event near Santa Fe, New Mexico, 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.