Observations today primarily from mid-elevations. Persistent weak layers are buried 4-5 feet deep and would be difficult to trigger, but the snowpack structure remains concerning.
Light snow flurries on and off in the morning. There was a brief, intense period of snowfall in the early afternoon that dropped 1-2 inches. There were a few breaks in the clouds and gusty W to NW winds around 3pm - seemed indicative of the frontal passage. The wind was moving snow at ridge level, but I did not see any sensitive wind slabs.
Snowpack observations were from 6500 to 9100' on primarily easterly aspects. I focused primarily on mid elevations. Pole pokes at lower elevations revealed 60-90cm of snow depth with fairly obvious weak snow at the ground. Above about 7500', the snow depth quickly increased into the 120-180cm range.
I dug on E at 8250' and SE at 8700'. In both of these locations, I could pick out a subtle weak layer about 120cm down that was likely 12/31, as well as more obvious basal facets down 150cm. The possible 12/31 layer was more pronounced on the solar aspect, where a P hard slab sat on a layer of 1F rounding facets. The basal layer was more pronounced on the E aspect, where there was 5-7cm of 3-5mm DH sitting atop a crust on the ground. In neither location was there any sign of a weak layer in the top 120cm.
Layer Depth/Date: 120-150cm
Comments: Sensitivity was not tested in any way, but would suspect Unreactive based on depth.
I ventured into terrain in the low 30s on sheltered slopes where the snowpack was uniformly deep.