Avalanche

Avalanche: Little Cottonwood Canyon

UAC StaffSalt Lake
View on map

Quick report

Slope Angle
38°

Avalanche

Weak Layer
Facets
Trigger Type
Explosive
Avalanche Type
Hard Slab
Slab Thickness
61 cm
Trigger Detail
Intentionally Triggered
Start Zone Aspect
South
Avalanche Problem
Persistent Weak Layer
Start Zone Elevation
2987 m

  • East Hellgate 9,000' elevation south aspect 38° slope explosive triggered hard slab avalanche failed on crusts and facets 2' deep x 100' wide x 1000' vertical. Controlled slide across road - trees in debris
  • Superior - 11,000' elevation south aspect 35°-45° slope explosive triggered hard slab avalanche failed on crust and facets 2' deep x1500' wide x 3000' vertical. Went wall-to-wall into creek - trees in debris
  • Toledo Bowl-9,800' elevation southeast aspect 40° slope explosive triggerd hard slab avalanche failed on facets 2' deep x 150' wide x1500' vertical. Controlled slide on observer's left of bowl
  • Emma Ridges near Alta 10,000' elevation south aspect 38° slope explosive triggered hard slab avalanche failed on facets 2' deep x 100' wide x 2000' vertical. Several controlled slides on south facing sliding on sun crust and faceted snow