Forecasters warned that some areas would be “paralyzed” by the storm. Nearly three feet of snow had already accumulated in Perrysburg, N.Y., about 30 miles south of Buffalo.

Lake-effect snow blanketed swaths of the U.S. as Thanksgiving travelers journeyed home this holiday weekend, with more snow expected to fall over the Great Lakes region through the week. While the weather event dumped dozens of inches of snow in upstate New York,

More than 4 million people across five states were under winter storm alerts on Sunday as heavy lake-effect snow continued to bury the Great Lakes region, prompting emergency declarations and the deployment of National Guard troops to rescue stranded motorists.