A powerful lake-effect storm is disrupting Thanksgiving travel across Northeast Ohio, with whiteouts, dangerous winds and more than a foot of snow likely in the region’s snowbelt.

More snow is set to impact Northeast Ohio, which is why the National Weather Service has issued a Winter Weather Advisory for the entire region -- including Cleveland, Akron and Canton. Here’s when the Winter Weather Advisory is in effect for your county:

One year ago today, a lake-effect snow storm turned a holiday weekend into a major challenge for area schools, cities, businesses and individuals, as more than five feet of snow

A LAKE EFFECT SNOW WARNING has been issued for Cuyahoga, Lake, Ashtabula and Geauga counties and a WINTER WEATHER ADVISORY has been issued for Trumbull County from Thursday night through Friday due to accumulating lake effect snow bands.

GEAUGA COUNTY, Ohio — Lake effect snow is set to impact portions of Northeast Ohio just in time for the Thanksgiving holiday this week, which is why the National Weather Service in Cleveland has issued a Winter Storm Watch for the following counties from Thursday morning through Friday evening:

A powerful storm system will slam Northeast Ohio with dangerous winds, rapidly falling temperatures and up to 16 inches of lake effect snow through Friday evening.

Once the temperatures fall Wednesday evening, a lake effect snow band will develop along the shoreline with some bands drifting inland overnight.

If you have lived in NEO or Greater Cleveland for some time, you are likely familiar with lake effect snow, but do you know WHY it actually happens?

Cleveland anticipates mixed weather, including warm temperatures, wind gusts up to 50 mph, and lake-enhanced snow with potential coastal storm snowfall midweek.

The National Weather Service in Cleveland has issued winter weather advisories for southern Erie County and for northern Erie County and Crawford County.

Friday’s lake-effect will hit the Great Lakes Snowbelt in Ohio, Pennsylvania, western New York and New York’s Tug Hill Plateau the hardest.