Avalanche

Avalanche: Big Cottonwood Canyon

UDOT BCCSalt Lake
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Quick report

Slope Angle
40°

Avalanche

Weak Layer
Wet grains
Trigger Type
Natural
Vertical Fall
122 m
Avalanche Type
Wet Loose
Start Zone Aspect
South
Avalanche Problem
Wet Snow
Start Zone Elevation
2286 m

Wet loose avalanches with enough mass to hit the highway:

  • Rock House put debris on the road. Debris pile was 2'-10' deep x 30' wide across the center line into the uphill lane
  • Rock Canyon
  • Mill A Basin-stopped shy of summer trail

3/15/1998

  • Circle Awl- south facing aspect, 8,700' 2'-4' deep x 80' wide ran 1500' vertical and put debris pile on the road