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Main Cloud Types
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- Cumulonimbus
Other Clouds
- Arcus
- Asperitas
- Cap / banner clouds
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- Translucidus
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- Uncinus
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- 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
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- Infralateral arc
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- Lower Sun Pillar
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- 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 over the south-west of England, on a flight from London to Baltimore.
5 thoughts on “Mark McCaughrean”
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A dynamic and vivid sunset near Lexington, Virginia, US
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Altocumulus perlucidus spotted over Sanxia, New Taipei City, Taiwan
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Sunrise over Central Province, Iran
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Cumulus spotted over Modbury Heights, Adelaide, South Australia, Australia
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Mid-morning iridescence over Lebec, California, US
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Winter solstice sky over Rocky Mount, Virginia, US
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Mammatus (Mamma) spotted in the morning sky over Arlington, Virginia, US
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Winter Solstice sunrise mirrored in texture upon a frozen lake in Southern Alberta, Canada
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Fallstreak Hole (Cavum) in the shape of a heart and with a view of the blue sky, spotted following a week of rain in Waikiki, Honolulu, Hawaii, US
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A storm with mammatus (mamma) spotted over Estrella, Arizona, US
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An 'X' created by contrails over Falls Church, Virginia, US
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Altocumulus undulatus spotted over Hamakua Coast, Hawaii, US
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Altocumulus lenticularis spotted above a layer of stratocumulus, shortly before a storm over Canutillo, Texas, US
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Sunset following a storm over Canberra, Australia
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Lacunosus, a relatively rare and short-lived cloud formation, takes on the look of a honeycomb pattern of round holes with frayed edges. It is formed when a layer of rising warm air and a layer of cold air come into contact with one another, causing downdrafts that push through the cloud. This classic example was spotted by Alexia's friend, Bob Hunter, near Lexington, Virginia, US.
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Thanks, Anne & Anthony: I agree, I quite like the impression of wind-blown speed in the cirrus, contrasted with the apparent solidity and steadfastness of the cumulus below.
Spectacular cloud vista, Mark. One could almost imagine it being a landscape on earth, with a streaming snowy blizzard scouring the mountains of antarctica.
Wonderful image!
Thanks, Becky. It was a lovely flight, in fact; before rising above the clouds as in this picture, there were a whole series of beautiful layers, alternately sunlit and dark. I may send more of the pictures to CAS, but you can see a few in my flickr photostream, starting at:
http://www.flickr.com/photos/markmccaughrean/8395522511/in/photostream
Beautiful!! Like a veil across growing things!