As many forecasters had predicted, the latest winter storm to hit New Jersey dumped as much as a half-foot of snow across several counties in the state’s southern region and barely a couple of inches in the normally snowier northern counties. A few towns in Burlington, Camden, Cumberland and Gloucester counties measured 6 inches of snow on the ground when the storm ended by Friday evening, and many other places across southern and central New Jersey picked up 4 to 5 inches of snow, according to data from the National Weather Service and trained weather observers from the volunteer Community Co…