Satellite image of the mid-Atlantic snow

I thought this was an interesting image: shows the dividing lines, both north and south, of the recent mid-Atlantic snow event. Basically all the frozen precip remained between roughly +/- 50 miles of Interstates 40 (in the south) and 70 (in the north).

Below the visible satellite image is an analyzed image of the snow/sleet totals, courtesy of NWS-Raleigh.