East Slopes North - Canadian Border to Lake Chelan
Feb. 13, 2017, 8:33 a.m. PST
Weather: Clear 15deg. calm.
Area Description: N. aspect Patterson Mtn
Avalanches: Slab release , 8" crown , 50' wide , run 500 yds. to valley floor . 2nd. release in same area smaller. No anchoring leaving vegetation and ground exposed.
Observation by Skier-X
Did you see any avalanches? Yes
Did you trigger any avalanches? No
Was anyone caught in an Avalanche? No