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

The National Weather Service says it may start out as rain, but as temperatures quickly drop to below freezing, a sudden burst of heavy snow is expected to drop an inch or so making driving tricky. The high wind gusts of up to 45 miles per hour in Greater Akron could create blowing and drifting of snow,