The trough in the west is not supported by the mjo from p1-3. Yes, perhaps they look comes but imo I think it’s being rushed. OLR has lots of dry air in p7 out until to the 11-15 day
As for the mjo…
Still looks like p3-4 first half of January. Dry air in p7 so I don’t see any conflicting signal issues as of now. Biggest issue will be cooling off Canada.
The one thing I will say about snow cover is it can change quickly once we establish more of a cross polar flow. Next week the Midwest is getting a huge snowstorm to start things off…