More than two feet of snow blanketed parts of western New York and Pennsylvania on Saturday, as a lake-effect snowstorm disrupted post-Thanksgiving travel and threatened to bring up to five feet of snow to some areas by Tuesday morning. The snowfall was heaviest along Interstate 90, the National Weather Service said, which hugs Lake Erie from Buffalo through Pennsylvania and on to Cleveland. In some areas, white-out conditions could be life-threatening, the service said. Jerry Byrne, director of the county roads commission, said that while traveling just a mile during the storm, drivers could go from clear pavement to white-out conditions. Interstates in Pennsylvania across the New York State line were impassable, the New York State Thruway Authority said on Saturday morning, and some areas remained closed to commercial trucks.

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Persons: Jerry Byrne, ” Organizations: National Weather Service, National Guard, Northern Michigan, New, New York State, Thruway Authority Locations: New York, Pennsylvania, Erie, Buffalo, Cleveland, Grand Rapids, Mich