Birdwood traverse

Birdwood traverse, very thin, and wind hammered. Several loaded pockets produced size .5-1 on storm slab in sheltered ssw facing areas. Semi remote triggered (3m away) One pocket that stepped down through a 1-2cm sun-crust, failing on a layer of facets (2-5cm) between the sun crust and bulletproof wind hammered slabs. Unclear if the sun-crust failed first or the storm slab.