From NOAA: Heavy snow is forecast for downwind areas of the Great Lakes region from Tuesday into Wednesday with the eastern shores of Lake Erie and Lake Ontario seeing impressive snow totals greater than 18 inches in limited bands near Fredonia and Watertown, New York. This image was taken by GOES East at 1445Z on November 18, 2014.

Update 1. According to meteorologist, this radar image is something they haven't seen in a very long time:

Update 2. Apparently the difference between south (where the snow is swallowing everything) and the north is incredible. Here's north of the snow wall:

http://sploid.gizmodo.com/holy-mother-of-god-check-out-this-giant-wall-of-snow-s-1660338942