Looks like they updated the Forecast discussion
Mid-level trough and sfc low will approach the eastern Great Lakes
on Wednesday. 12/02 guidance suggests that the main cold front will
cross the area with little fan fair Wednesday morning (not much
precipitation). However, as the aforementioned low draws near Lake
Huron by days end a secondary sharper front is advertised to plow
east across Western NY. Much colder air, to the tune of -14C/-16C at
H850 is advertised under cyclonic SW flow to then channel up Lake
Erie. This will likely induce a lake response beginning first off
Erie and then the same will occur a bit later off Lake Ontario.
BUFKIT profiles suggest that there will likely be sufficient
moisture extending through most of the DGZ along with equilibrium
levels in the neighborhood of 6-7K feet. One other thing to note, it
will become quite windy with gust up to 40 mph, especially NE of the
lakes through Wednesday evening. At this point, confident enough
that there will likely be accumulating lake snows ENE of the Lakes
beginning Wednesday evening into Thursday to mention it in the HWO.