It's a tall order to get the ULL track much different than what is modeled. That said, getting the CAD to overperform is doable. For our areas, that is our best hope IMHO with ZR being the main show.
We'll have two chances for some snow. The HRRR is really close to a burst with the FGEN band here and almost to you. The second chance will come on the backside of the ULL and 850Mb lows passage. To me, that is a lower chance scenario since we both know how that works out here. But nevertheless, strange things can happen with such powerful ULLs so I'm trying to keep expectations low but optimistic for a huge surprise.