It was a frigid morning in Garrett County, Md., when Josh Brenneman encountered an incredible scene on his drive to work. The rising sun was surrounded by a perfect semicircle of colored light, like a rainbow....
But there was no precipitation; instead Brenneman, who runs the Facebook group Allegheny Mountains Weather, was seeing a magnificent ice halo intensified by flanking shafts of light known as sun dogs....
When white light enters an ice crystal, the light slows and is bent through a pro
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2021-12-24 00:00:00.0