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Other Clouds
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Optical Effects
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- Wegener arc
An abundance of cumulus, altocumulus, and cirrus clouds populating the sky, which prompted Yun to say that it felt like opening a map for clouds over Gwangju-si, South Korea
Cloudbow over Dawson City, Canada
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Driving east through Pennsylvania, towards the Allegheny Front that divides the Allegheny Plateau from the Ridge and Valley Appalachians, John observed this layer of stratus that had settled down into the valley, under some high cirrus clouds and contrails, spotted near the Allegheny Mountains, Pennsylvania, US
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Altocumuls stratiformis on the 'left' side of this photograph and Altocumulus lenticularis on the 'right' side, merging together on a windy day over Reno, Nevada, US
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Mamma (Mammatus) over the Big Bend Region of Southwest Texas, US
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Cirrocumulus undulatus that may have developed as a result of prior contrails (homogenitus), spotted over St. Pancras, London, England
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A classic example of multiple Altocumulus lenticularis, spotted over Piz Mezzaun in the Livigno Range of the Alps, near Engadina, Switzerland
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Mamma (Mammatus) over Ningbo, China
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Altocumulus translucidus over Pewsey, Wiltshire, England
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High level Altocumulus lacunosus undulatus over Gwangju, South Korea
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Contrails crossing the sky over Horley, Surrey, England
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Roll Cloud over Praia da Arrifana, Portugal
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On a warm, sunny, and otherwise cloudless day, John said that an occasional and ephemeral puff would appear and disappear, which reminded him of William Wordsworth's "I wandered lonely as a cloud..." This isolated cumulus fractus was spotted over north central Indiana, US.
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Aurora Borealis (Northern Lights) over Kabelvag, Norway
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Crepuscular rays over Esfahan, Iran
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Colorful cumulus over Brisbane, Queensland, Australia
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