Technically, if the pattern shown on the clown range models verifies, it would potentially setup another retrogression attempt. But in that case, we are likely looking at the first half of February to score an arctic blast in SWBC/PNW.

can we get some overlays over time to see it move 'west'?

The end of the 12z is much better for prospects of cold going forward. We want things to remain amplified.

Surface pressure gradients are very favorable for major inversions to develop during week two.