From a public safety perspective, it's dangerous when your country's model can't produce a reasonable forecast inside 72 hours.
It's literally an all-or-nothing game right now for NYC and friends.
Given we saw the NAM decide not to latch the sfc low onto convection 400 miles away from the barcolinic zone at 48 hours, I suggest not weighing the NAM too heavily or not at all until inside 48 hours.