Alberta clippers dive southward into the U.S. from the Canadian province of Alberta. They can cause problems for northern regions of the U.S. during the winter months.
Traffic was backed up for miles Tuesday after a series of crashes shut down a portion of Interstate 90 near Erie, Pennsylvania. The incident happened amid lake–effect snow and whiteout conditions.
Numerous towns won’t have enough time to clear out multiple feet of lake-effect snow before a new round of winter weather arrives across the Great Lakes. New video shows you how many neighborhoods have been socked in by as much as 5 feet of snow.