From DT This is a very dynamic and changing situation - a difficult forecast. Over the last 36 hours all of the models have come significantly further to the South with the track of the LOW which means that the heavy snow band which originally was supposed to be up in northeast PA / the Hudson Valley of New York/ and interior New England is now shifted to the south.
But the new afternoon data coming in here around 3pm -- shows that once again the European model is going to end up being correct. the 18z NAM and 18z HRRR - these are short range intermediate models that come out of 2-3PM have now dramatically cut their snow totals and have shoved the precipitation further to the South and show a much much weaker system.
If it sounds like I am uncertain it is because I am. And right now every single meteorologist in the NE usa is playing a game of WTF is going on? . NWS has a HUGE amounts of snow in southeast NY and southern New England as does Accuwx and TWC. We are all playing catch up to this constantly changing and weakening system. Normally when you get this closer to an event the models come to good agreement. Instead the data is going in all sorts of different directions only 18 hours before the event