A lake-effect snow warning is issued when NWS is at least 80% confident that part of the county will see six inches or more of snow in12 hours or less.

The band of heavy lake effect snow will continue to shift north over Lake Erie Saturday night. Although snow will continue for Ashtabula and Lake counties, it is not going to be as heavy.

Lake-effect snow is typically localized and intense, affecting areas immediately downwind of the lake. Example: Lake-effect snow buried parts of eastern Cuyahoga County with 6 inches of snow.

Lake-effect snow, which can last for only a few minutes to several days, develops from narrow bands of clouds that form when cold, dry arctic air passes over a large, relatively mild lake.

The heavy lake effect snow prompted the Buffalo Bills to ask fans for help clearing snow out of Highmark Stadium ahead of the team's game against the San Francisco 49ers on Sunday night.

Winds will also be conducive to heavy lake-effect snow bands through the weekend. A west-to-northwest wind flow may cause a lake-effect snow band from Lake Huron’s Georgian Bay to join forces ...

Lake effect snow occurs when cold air moves across the open waters of the Great Lakes creating snowfall, said Lily Chapman, a meteorologist at the NWS Forecast office in Marquette.

Heavy lake effect snow is expect to continue in Northeast Ohio through Friday, with the highest concentrations continuing to be in Ashtabula County. National Weather Service.

Lake effect snow occurs when cold air moves across the open waters of the Great Lakes creating snowfall, said Lily Chapman, a meteorologist at the NWS Forecast office in Marquette.

This is a lake-effect snow, so the snow will rely on cold air. The cold air with gradually shift into Michigan Wednesday and be fully settled in over the whole state by sunrise Thursday.