activated its winter weather plan. the storm already hammering parts of virginia, tennessee and kentucky. look at that, a 20-car pile up on the western kentucky parkway left motorists stranded for hours. derek van dam is live in the cnn weather center. derek, good morning. just how much snow should we expect? well, laura, we ve been watching the snow accumulate in new york city. this is times square over the past couple of hours. they have been seeing anywhere from 1 to 2 inches of hour. this narrow band of snowfall that s lined up across portions of the five bro boroughs of new york city. as quickly as it entered it is going to exit through the course of the day. look at the snow already coming to an end near washington, d.c. and baltimore. the backside of the system already moving through. but still hefty snowfall the next one to two hours in the new jersey coast line, the marvel peninsula. the big apple, this is where we have our snowfall rates from 1 to 2 inches per hour. that