The ominous looking fog is formed when cold winter air settles over the unfrozen Lake Superior. Cold air can't hold the same amount of moisture as warm air. So as the warmer lake air rises and interacts with a frigid airmass, water vapor over the lake condenses creating the ethereal looking phenomenon. The greater the difference in temperature between the lake and the air, the better the chances of finding sea smoke.
A 22-year-old man is dead after he was thrown from his snowmobile Saturday while riding near Grand Marais. Authorities were called to the scene at about 5:30 p.m. and transported Wayne Gunnar Anderson of Grand Marais to North Shore Health where he later died.