GFS shifts west

The 18z GFS shifted west dramatically with the major storm progged for the 16th. In recent runs, it has kept a slight westward trend, and now brings low pressure inland over SNE. This would begin to have precip type issues here, however way to early to be considering that. The westward shift is a very promising sign for a major snow storm in the northeast. QPF nears 2" across the region, which taken verbatem would support snowfall accumulations up to 30 inches, similar to the Euro. The models have had a tendency to overamplify ridging to the east and eject low pressure from the southeast. This has been shown in the past event, and upcoming one Thursday with the resulting suppression and progressiveness of the storm. So expect a some slight shifting back to the east in the models by Thursday.

NWS starting to show some more interest:

SATURDAY NIGHT AND SUNDAY...
THE LATEST 00Z SUITE OF MODELS SHOWS THE POTENTIAL FOR A POWERFUL
NOREASTER TO AFFECT THE REGION.  MOST OF OUR LONG RANGE MODELS AND
ENSEMBLES SHOW A VERY DEEP SURFACE LOW BELOW 980 MB AND IN SOME
INSTANCES BELOW 970 MB WORKING UP THE SOUTHERN NEW ENGLAND COAST!
HOWEVER...THIS EVENT IS 5 DAYS AWAY AND A LOT CAN CHANGE BETWEEN NOW
AND THEN.  ALL WE CAN SAY IS THERE IS THE POTENTIAL FOR STRONG WINDS
ALONG THE COAST AND A HEAVY PRECIPITATION EVENT.  THE 00Z
GFS/CANADIAN/UKMET/ECMWF ALL SHOW A SLIGHTLY INLAND TRACK.  IF THIS
WERE TO VERIFY HEAVY SNOW WOULD DEVELOP AND CHANGE TO RAIN ON THE
COAST...WHILE SNOW OR ICE CONTINUES ACROSS THE INTERIOR.
HOWEVER...THE GFS ENSEMBLES STILL SHOW MORE OF A COASTAL TRACK WHICH
WOULD INDICATE MORE IN THE WAY OF SNOW ALONG THE COAST.  WAY TO
EARLY TO SAY MUCH MORE.  FORTUNATELY ASTRONOMICAL HIGH TIDE IN
BOSTON ON SUNDAY IS ONLY 9.5 FEET.  STILL NOT OUT OF THE WOODS FOR
THE POTENTIAL OF COASTAL FLOODING...BUT EVERYTHING HAS TO BREAK
RIGHT TO GET A MODERATE COASTAL FLOOD EVENT WITH A HIGH TIDE THAT
LOW.

Below are the 00z Euro and GFS for 144hrs (00z Monday)