Things have panned out as anticipated for the first 1/3rd of February, with most things looking on track for what was expected as we head into the middle 1/3rd of February as well.
We will indeed be shifting into a pattern dominated by a -PNA, with SE ridging flexing quite a bit from time to time as well. It appears we will have more of a neutral-ish EPO, with rolling ridges instead of a strong/significant firmly entrenched. The lower atmosphere PV lobe will continued to be centered north, across Northern Canada, north of the Hudson generally. Across the CONUS, the look of this pattern is what you'd expect to see with the MJO swinging through phases 4-5-6, as it is doing so. This will once again lead to the best chances for cool temps/snow to be across MN/WI/MI, with thread the needle potential needed elsewhere and mild temps more often than not. The one thing to watch will be the continued disruption of the SPV as we move forward. This, along with a few other factors, will aide in cold air rebuilding a bit across Canada. So it would not be surprising to get a shot brief shot of colder temps across more of the sub-forum if we can get a decent storm system to roll through the region (See the current Euro for that fantasy outcome).
As we head into the final 1/3rd of February, it appears a similar pattern will continue to start, with a -PNA/SE flexing ridge, though possibly with more of a -EPO developing by then. This idea is very much supported by the ENS and the continued MJO movement from phases 5-6-7 by then. As we head deeper into the final 1/3rd of February, I do expect we see the pattern take another shift though. More on that down the road...