Beautiful Mother of Pearl Clouds over Oslo on 1st December

On 1st December people in the Oslo region could see some spectacular clouds on the afternoon sky. As the sun set the high-altitude clouds continued to glow for quite some while. The colours were special with pink and green as the most prominent.

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All photos: Geir Braathen, NILU

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PSCs continue to glow with tropospheric clouds in the shadow As the sun sets in the stratosphere the PSCs turn red.
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The contrail of an aircraft in front of a PSC. The contrail is in the shadow.
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As the sun sets tropospheric clouds form a glowing red veil in front of brighter PSCs. Close up image of a mother of pearl cloud where the various colours show up.
visitors since 19. January 2000