Arctic light show not from aurora

Reprinted from Space Weather News for Dec. 22, 2014

STRATOSPHERIC CLOUDS: Around the Arctic Circle, sky watchers are seeing fantastic colors–but it’s not the aurora borealis. A rare outbreak of polar stratospheric clouds is underway over our planet’s north polar region.  These clouds, which are associated with the formation of ozone holes, float much higher than ordinary clouds and produce unforgettable colors during the hours around sunset.  Visit for pictures and updates.


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