Valanga

Avalanche: Park City Ridgeline

Jim HarrisSalt Lake
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Quick report

Slope Angle
35°

Avalanche

Slab Width
24 m
Weak Layer
Facets
Trigger Type
Skier
Vertical Fall
46 m
Avalanche Type
Soft Slab
Slab Thickness
41 cm
Trigger Detail
Remotely Triggered
Start Zone Aspect
Northeast
Avalanche Problem
New Snow
Start Zone Elevation
2865 m

We observed cracking, collapsing, and avalanches while skiing along the Park City ridgeline today. Fresh wind drifts on the lee of the ridge were particularly susceptible to being triggered remotely. I remotely triggered some very small (10' x 20' x 15") pockets and noticed where other skiers had triggered bigger avalanches. The ridgeline windslabs were touchy, but I also noticed avalanches that were triggered mid-slope where there was much less wind effect. The avalanches were on the smaller side and pockety, in part because the new snow slab lacks cohesion.

photo: skier triggers a small avalanche in fresh wind slab below a not-yet-open-for-business chair lift

Two mid-slope slabs were remotely triggered by skiers who skied between the two avalanche paths