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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 view from the flight deck of Noctilucent clouds, about an hour before sunrise over Central Asia.
One thought on “Peter Leenen”
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Vicars' Close is reportedly Europe's oldest residential street, which as Helen conveyed, is famous for its chimneys. She likes to imagine the clouds as smoke coming from them, as seen here over Wells, Somerset, England.
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A distrail, short for "dissipation trail", occurs when an aircraft passes through a cloud and it turns the water droplets in the cloud into gas or ice. This distrail is seen slicing its way through a layer of cirrostratus over Kianga, New South Wales, Australia.
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Altocumulus perlucidus spotted over Lancaster, Pennsylvania, US
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Cirrostratus undulatus spotted over the valley near the Fraser River, Fort Langley, British Columbia, Canada
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A developing storm over Esfahan, Iran
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Turbulent skies at sunrise over Maui, Hawaii, US
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Virga sweeping through the atmosphere over Goodyear, Arizona, US
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A combination of altocumulus lenticularis and cumulus spotted during the morning hours over Madison, Wisconsin, US
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An incoming evening storm near Canberra, Australia
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An incoming storm system with crepuscular rays and shadows along the horizon, near North Dundas Township, Ontario, Canada
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A primary and secondary rainbow spotted during the early morning over Atagohama, Fukuoka City, Japan
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A incoming storm system that yielded rain, hail, and lightning, near the Les Vosges-Mountains of Alsace, France
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A colourful sunrise over the Sangre de Cristo mountains, north of Santa Fe, New Mexico, US
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A classic example of asperitas spotted during the early morning over Tours, France
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Asperitas at the forefront of incoming precipitation over Lucas, Texas, US
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Love this as too, the wonderful colours!
Thanks, Peter.
Laurence