The slab seems to be stiff and stubborn. However, I don't think anyone dared to test the theory. The northerly facing terrain looked and felt scary today. I saw no tracks on any of the shady slopes. When I arrived at Alta around 11:20am there were no tracks down any of the south facing terrain, when I left (5:00pm) people starting to tease the steeper (generally south) terrain without incident.

Twelve inches of new snow sits on top of Friday/Saturdays' low density snow making the snow feel slabby and dangerous. At the very least you could easily trigger a storm slab within the new snow that could be 1-2' deep and a few hundred feet wide.

Even though cracking or collapsing was not in your face today, I would continue to avoid the steep northerly facing slopes for at least a few days. There is plenty of old weak snow on the shady slope to remain suspect.

Wind was ripping out of the west and created deep drifts along the high terrain. Wind loaded slopes sounded hollow and were very loaded up. I would guess this instability will settle out much sooner than the persistent slab issue.