Boston SST was 37°F as of yesterday, the lowest for the date since 2015. With BN cold ahead of us, they can only dip lower. That could bode well for more marginal situations later in the month.
Just 2 hours ago the board was full of optimism, looking forward to winter's fury. Then the Euro spoke, and the weenies croak... tossing the king far and wide. Ah...what a winter!
3km NAM has been increasingly more bullish in its last 3 runs. My hood stays at or below 0°C at the surface throughout, with all qpf of the frozen variety.