Needle

About 10 cm new overnight. Observed that a size 2 Na storm slab released on the south aspect of yak peak from the morning sun, Mid slope in the rock slab area. We skied up needle- Flatiron col started snowing S2 to S3 all day. Lots of wind building wind slabs in the alpine. Snow was light and dry till 330 pm when the sun came out and it started green housing and made the snow heavy. Observed numerous dry loose out of extreme AL terrain from the afternoon sun to size 1. Had some sloughing in the storm snow on 40 d degree slopes in the trees.