Lake-effect snow typically happens when the lakes are ice-free and the water is still relatively warm. Two other conditions ...

"Impressive @NOAASatellites loop of lake-effect snow bands across the Great Lakes," the NWS wrote. "The heavy snow forms when cold air from the interior of Canada moves over the relatively warmer ...

Lake effect snow has already pummeled some parts of Michigan this winter, and more is forecast to fall. The heavy snowfall in some places — the UP and the northwestern Lower Peninsula — has ...