POLAR ORBITING SATELLITE IMAGE

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05-22 21:04
05-22 20:25
05-22 19:25
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05-22 17:05
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05-22 15:23
05-22 14:33
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05-22 13:43
05-22 12:53

EXPLANATION

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Bluish = high clouds, often thin
White = medium level clouds, high thick clouds or snow/glacier
Yellow = low clouds, sea ice or dirty snow