The NAM is the only piece of guidance with a significant snowfall near the coast of SNE. I need more than that to be confident of high impact. But I get it...anyone who disagrees with you is inherently emotionally unstable and not lucid.
It depends, though...if there is a big NAO block, then it maybe different....but la nina with a neutral or Positive NAO? Why would it phase faster, aside from the model and Kevin willing it to?