Category Archives: clouds

Nacreous clouds (mother of pearl) over Trondheim

The last two days of 2016 were basically dull stormy days here in Malvik, but then suddenly the gaps in the clouds were illuminated by amazing rainbow-like high altitude clouds known as nacreous or mother of pearl clouds and as they are best seen when the sun is  just below the horizon (which it is all day long here), the display lasted most of the day until it clouded over! I’ve never seen this phenomenon before…it requires special weather conditions for these 15-25 km high polar stratospheric clouds to form….
A really memorable finale to 2016, better than any fireworks!!

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