Once I get within what I imagine to be uGrid range (i.e. This isn't the case for the snow around it, so not only does it look bad, the inconsistency is jarring. The issue is that it appears to be made from about three massive white pixels. However, since I started this bout of modding a couple of months ago, I've been plagued by an issue with the texture that's getting loaded for some distant snow drifts.
In general it's pretty stable and most of the time it looks great. I have modded the hell out of Skyrim, following the SR:LE and REGS guides and then adding a dozen or so others on top (mostly extended functionality or gameplay tweaks).