Lake-effect snow happens when cold air moves across relatively warm lake waters. Eventually, the warm, moist air rises and forms clouds that move over colder air on land.

Lake effect snow is an interesting phenomenon that only happens when the atmospheric conditions are just right. First off, cold air from the land must move over warm lake waters.

Lake-effect snow warnings will remain in force in some states. Winter storm warnings and advisories have also been issued. Newsweek's live blog is closed.

The lake-effect snow that has fallen in parts of upstate New York, Pennsylvania and Michigan is the result of cold, moist air that blew over the Great Lakes region.

Lake effect snow, which occurs most often in the late fall and winter, occurs when cold air moves across the relatively warm waters of – you guessed it – a lake, which results in the transfer ...

Lake-effect snow forms when a cold air mass passes over a relatively warm lake. Lake-enhanced snow occurs when a weather system interacts with the lake's moisture.

A brutally cold air mass from Siberia will meet the record warm Great Lakes later this week. That’s a recipe for meteorological fireworks — and lots of snow.

Over the weekend, parts of upstate New York, Pennsylvania, Ohio and Michigan saw nearly 4 feet of lake-effect snow — but what’s behind the weather phenomenon?

When towns along the Great Lakes get buried in drifts of blowing snow, like several have over the past few days, weather experts start talking about the “lake effect.” Lake-effect snow often ...