Several states have issued winter storm warnings and advisories for parts of the Great Lakes, Ohio Valley, Mid-Atlantic and Northeast as an arctic cold front is expected to bring snow squalls, heavy snowfall and gusty winds,

What causes lake-effect snow? What to know about the winter weather phenomenon that has buried Ashtabula County, Northeast Ohio before winter arrives.

A wintry blast is slamming the Great Lakes region with 3 to 5.5 feet of snow -- and more lake effect snow is in the forecast for later this week.