Na size 1.5 storm slab north aspect 1350m fracture line depth 30-40cm Propagated into small trees average slope angle 40 to 45 degrees. Failure plane new snow or yesterdays snow. Estimated width of slab 50m and estimated deposit on the road 2 metres to sledders got stuck in deposit as they ran into it sometime shortly after it slid. Weather: S6 moderate south wind -2c.