Reactive Coastal Snow
Quick reportbrian.thornburn · Mar 22, 2022 · North Shore
Quick report
- Weather
- cloudy, foggy
- Ride Type
- alpineSlopes, mellowSlopes, openTrees, steepSlopes
- Riding Quality
- Amazing
- Snow Conditions
- deepPowder, heavy
- Avalanche Conditions
- avalancheConditionSlab, avalancheConditionSnow
Skier triggered slab avalanches witnessed
Avalanche
Ski cut performed to test slope. Cuts on similar aspects in the same area saw reactivity, class 0.5-1 avalanches. This slope saw no reactivity, so writer skied the slope and triggered a class 1 slide that resulted in partial burial. Avalanche was 10m wide by 25m long. Crown depth approximately 40cm
Incident
- Comment
- <p>Writer triggered avalanche by skiing aspect after ski cutting failed to propagate. Writer caught by fast moving slab, was pushed forward after skis were buried. Snow piled above writer up to neck, but trunk was not compressed. Was able to free arms and clear snow around shoulders, but unable to further move. Companions were able to extricate writer within 5 minutes and no injuries occurred. Avalanche was 10m wide by 25m long, writer was buried due to terrain trap: aspect transitions abruptly on flat surface.</p>