Lots of snow = good
Very strong winds for two days = bad
There might have been 2 feet of new at Alta, but it was well buried by the 4 inch layer of very dense windbuff. I've never skied denser windbuff.
Additionally, Collins didn't open until 11:15. The High T still hadn't opened as of 1:30. Obviously, backside, shoulder, castle, and just about everything was closed.