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Optical Effects
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Altocumulus undulatus spotted by Haruko's friend, Janet, over Vinalhaven Island, off the coast of Maine, US
Altocumulus stratiformis undulatus, also known as a mackerel sky, was captured by Carl McGarrigle, who also remarked 'I forgot to iron the sky this morning'. This classic example was spotted over Preston, Lancashire, England.
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Altocumulus stratiformis undulatus, also known as a mackerel sky, spotted over Boca Raton, Florida, US
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Undulatus in various forms, reminding Holly of an apt quote by Keith Wynn; 'I love that no two cloud formations, since time began, have ever been the same. Each moment in time has created its own unique fingerprint.' This unique representation was spotted over Longmont, Colorado, US.
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Stratocumulus undulatus resembling the iceberg in the water, both of which are reflected in the water, spotted in Southwest Greenland
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Undulatus spotted over Seoul, South Korea
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Altocumulus lenticularis spotted at sunrise over the Flatirons, south of Boulder, Colorado, US
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Following a day of cloud cover, the evening sky opened up to a tranquil view of pastel colours over North Devon, England
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A myriad of clouds at sunset over Taylor, Texas, US
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Undulatus on a windy day over London, England
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Stratocumulus undulatus radiatus over Helston, Cornwall, England
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Undulatus over Burgundy, France
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Layers of clouds over Payson, Utah, US
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A variety of altocumulus spotted over Taylor, Texas, US
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Altocumulus undulatus radiatus spotted over Mawgan, Cornwall, England
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A colourful display of undulatus over Oulton Broad, Suffolk, England
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