Skier triggered slab on NW aspect, 8400ft in southern Madison Range. From e-mail: "Skier ski cut top of slope with extra caution, second ski cut, the slope peeled out wall to wall and ran the full length of the gully. Crown depth 35-50cms, ran on older sun/wind crust... High consequence terrain."
Forecast link: GNFAC Avalanche Forecast for Tue Mar 7, 2017