Does The Polar Vortex Crush?

The cold polar vortex is what is supposed to drive the storm system south. However there have been some minor adjustments north with the system overnight by several models including the GFS and Euro. If the polar vortex isn't as much of an influence, we could sneak on to the northern edge of the system. We are just 125-150 miles from basically nothing like the forecast now to getting 2 to 6 inches. A sliver of hope remains...