LANSING, Mich. (AP) — Residents of the Great Lakes region are in for a snowy Thanksgiving, as a weather system continues to drop precipitation across the area, particularly in the Upper Peninsula of Michigan.
Snowfall that began Wednesday persisted Thursday with winds and snow bands out of the north and northwest. A blizzard warning is in effect in Alger County, east of Marquette, Michigan, until 7 p.m. Thursday night.
The heaviest snowfall is expected to hit west of the town of Munising, according to the National Weather Service, with up to 13 inches (33 centimeters) of additional of snow accumulation possible. The snow bands will likely taper off starting in the western counties of the Upper Peninsula as the day progresses.
Lily Chapman, a meteorologist with the National Weather Service in Marquette, said 15 inches (38 centimeters) of snow were measured at her office Thursday morning. Near Bessemer, Michigan, about 113 miles (182 kilometers) east of Duluth, Minnesota, Chapman said the National Weather service received reports of over 18 to 28 inches (46 to 71 centimeters) of snow.
“It varies pretty quickly depending on things like elevation or where any of our stronger bands have been able to line up,” Chapman said.
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What is lake effect snow?
Lake effect snow is characterized by thin bands of clouds that can produce heavy snowfall. Some areas can see much more snow than others nearby thanks to the narrow bands.
The phenomenon occurs when cold air from Canada is blown over the warmer water of the Great Lakes: Superior, Michigan, Huron, Ontario and Erie. Warm air from the lakes pushes the moisture in the sky higher into a zone most conducive to snowfall. The clouds that form as a result can dump 2 to 3 inches (5 to 8 centimeters) per hour and sometimes more.
The weather particularly affects Michigan, Ohio and New York, but lake effect snow can also happen over other large bodies of water, like the Great Salt Lake in Utah.
About 10 miles (16 kilometers) west from Bessemer near Montreal, Wisconsin, the National Weather Service reported 33 inches (84 centimeters) of snow in one location early Thursday morning. Roy Eckberg, a meteorologist with the National Weather Service in Green Bay, said the elevation of the area creates an even better environment for clouds to create snow.
“So you not only have the lake effect, you’ve got the lift of the terrain,” he said. “So that area can get some pretty interesting snow totals like this event.”
Dangerous driving on Thanksgiving
The traveling bands of lake effect snow can cause sudden and extreme whiteouts, making driving hazardous. Travel was difficult across the Upper Peninsula on Thursday with low visibility, Chapman said.
Additionally, strong winds of up to 45 mph (72 kph) posed a threat of creating large snow drifts over roads and power outages. Over 1,000 power outages were reported near Houghton, Michigan, about 100 miles (160 kilometers) west of Marquette on Thursday morning, according to the utility provider the Upper Peninsula Power Company.
Similar power outages were reported by Consumers Energy on the coast of Lake Michigan near Holland, about 170 miles (274 kilometers) west of Detroit. The National Weather Service of Grand Rapids expected about two inches of snow Thursday with high gusts of wind of 45 mph (72 kph) near the lakeshore. The weather service warned of slick roads.
The lake effect snow is expected to ease west to east as Friday approaches. A different and less severe weather system over the weekend is expected drop a few more inches of snow on the Upper Peninsula, according to the weather service.
About 2 to 3 inches of snow were reported near Buffalo, New York, on Thanksgiving morning, and a lake effect snow warning was in effect until early Saturday morning.
