Avalanche

Avalanche: All Areas

UAC StaffSalt Lake
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Avalanche

Slab Width
122 m
Vertical Fall
213 m
Avalanche Type
Hard Slab
Slab Thickness
122 cm
Avalanche Problem
Persistent Weak Layer
Start Zone Elevation
2896 m

January 2-3, 2006

  • West facing aspect- 10,000' elevation- explosive triggered avalanche on a 40° slope 5' deep and 400' wide. Controlled slide breaking deep into faceted layer near ground
  • Alexander Basin- 9,800' elevation- natural avalanche 50' wide. Observed from a distance
  • South Monitor- northeast aspect- 9,900' elevation on a 38° slope- natural hard slab avalanche failing on November facets - 6'-10' deep, 100' wide and 600' vertical
  • East Bowl Silver Fork- northwest aspect- 10,100' elevation on a 38° slope- natural hard slab avalanche failing on November facets- 2'-3' deep, 80' wide and 200' vertical
  • Sunset Peak- north facing aspect- 10,400' elevation on a 38° slope- natural hard slab avalanche failing on November facets - 4'-6' deep, 200' wide and 700' vertical
  • Days Fork- north facing aspect- 10,000' elevation- skier/cornice triggered wind-drifted snow avalanche 1'-2' deep and 100' wide. Skier triggered two slides from kicking cornices
  • Flagstaff Ridge- southest facing aspect- skier triggered hard slab avalanche 1' deep and 50' wide