This is not my first attempt to capture a sun dog though I think this is one of my better ones. Saturday's blizzard died down at just the right time and it made for and incredible sunset. The wind was quite strong during the capture of this image.

"Somewhere Over the Halo" The subzero Polar Vortex in Wisconsin. Horizons by Phil Koch. Lives in Milwaukee, Wisconsin, USA. phil-koch.artistwebsites.com www.facebook.com/WisconsinHorizons

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...and where to witness them.

Indiana residents were treated to a rare weather phenomenon on the Fourth of July when a fire rainbow, a horizontal multicolored streak appeared in the sky

The breathtaking clip was captured earlier this year by Ludvig Lundin, a skier at the Vemdalen resort in central Sweden, and shared over five million times.

After the sun set on Sunday evening, a dazzling display of rare psychedelic clouds lit up the twilight sky over northern Scotland. These were mother-of-pearl, or nacreous clouds, and shimmered with

Did mother-of-pearl clouds stoke a painter's angst?

Ice halo displays range from familiar rare and complex sky phenomena. Halos tell us about the crystals inhabiting the clouds but not how they were seeded.

It looks like the sky of an alien world, or a portent for the coming apocalypse, but this photo is actually a day and night composite—two images taken in the same spot along the coast of Östersund, Sweden, roughly ten hours apart.