Heavy load triggered wind slab

Map for Mountain Information Network report: Heavy load triggered wind slab

Information

Activity
Skiing

Group details

Total in the group?
10
People fully buried?
0
People partly buried with impaired breathing?
0
People partly buried with normal breathing?
0
People not injured (caught but not buried)?
1
People injured (caught but not buried)?
0
People involved?
1

Terrain details

Terrain shape at trigger point
Planar
Snow depth at trigger point
Deep
Terrain traps
  • No obvious terrain trap

Comments

Skier hucked off cross-loaded wind lip/cornice triggering a size 1.5 wind slab (20-35cm deep), 50m wide, that ran 200 meters. Skier pulled airbag and stayed on surface. No injuries. No lost gear. Lessons learned described in this State of the Snowpack Video:

https://www.youtube.com/watch?v=G69ndo3_vrE