Lake-effect snow typically happens in the late fall and early winter when the lakes are ice-free and the water is still relatively warm.

Heavy snow slammed the Great Lakes region during Thanksgiving weekend, clogging communities with several feet of snow.

Lake-effect snow blowing in from the Great Lakes has blanketed parts of Michigan, Ohio, Pennsylvania and New York, stranding hundreds of vehicles on roads and snarling post-Thanksgiving travel. Well over two feet of snow had fallen in many parts of the region by early Monday,

Heavy snowfall will continue to bury portions of the Northeast and upper Midwest this week as officials warn of travel impacts and dangerous conditions. The Great Lakes region, which has been receiving lake effect snow since late last week,