A wall of sea smoke hovered over Lake Superior in Duluth, Minnesota on Sunday, creating a captivating sight.
Temperatures at Duluth harbor hit 18 below zero on Sunday, according to the Duluth News Tribune.
According to AccuWeather, sea smoke is a marine layer that occurs when the water temperature is warmer than the frigid temperature of the air above it.
Massive wall of sea smoke rolls over Lake Superior
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