Needle S bowl

Observed assumed remote triggered wind slab size 1.5-2 from up track on North facing side of bowl. South facing slope: ECTN12 down 37. Storm snow on rain layer. Retrospectively, above the more wind loaded slope. cut slope down from test put in 1 turn to trees beneath cut and remotely triggered a slab avalanche with crown of roughly 1m at trigger point. (Crown varied between 1m and 20cm) and across roughly 50m wide. See pics.