Extreme cold in Canada creates "sun dog" phenomenon

NewsflarePublished: December 30, 2017
Published: December 30, 2017

Extremely cold temperatures in Canada on Friday produced this "sun dog" effect in Winnipeg.

A sun dog, formally called a parhelion in meteorology, is an atmospheric optical phenomenon that consists of a bright spot to the left and/or right of the Sun.

The sun dog is caused by the refraction of sunlight by ice crystals in the atmosphere.

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