Cornice Failure

Northwest Coastal

lucasmatt , Saturday 20th April, 2019 8:05AM

Large cornice failure on a north slope 72 hours plus. Produced a Sz 3.5 that gouged and stepped down. Ran 500m vertical, 300m crown. Debris running to mid runout. Ski out on west facing steep BTL slope had numerous skier controlled loose wet Sz 1s gathering mass and flowing through thick regen. Skied powder in alpine to supportive schmoo at treeline to heavy snot below treeline. Convective flurries moved through but the sun kept slopes warm.

Snow conditions were: Heavy, Wet, Wind affected, Powder. Weather conditions were: Stormy, Windy, Warm, Cloudy, Sunny. We rode: Alpine slopes, Sunny slopes, Open trees. Riding quality was good.

Avalache Conditions: Rapid temperature rise to near zero degrees or wet surface snow.


54.35487146 -128.80796387

Cornice Failure

Source: Avalanche Canada MIN