Avalanche

Avalanche: Ephraim Canyon

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Quick report

Slope Angle
38°

Avalanche

Slab Width
21 m
Weak Layer
Facets
Trigger Type
Snowmobiler
Vertical Fall
12 m
Avalanche Type
Hard Slab
Slab Thickness
61 cm
Trigger Detail
Remotely Triggered
Start Zone Aspect
Northeast
Avalanche Problem
Persistent Weak Layer
Start Zone Elevation
3078 m

See Video of Avalanche Below. This Avalanche was remotely triggered by a snowmobiler climbing on the adjacent slope. Snowmobiler felt the snow collapse and shooting cracks propogated to the adjacent hill and caused the avalanche to release at the ground level.

A separate avalanche was unintentionally triggered by a snowmobiler. This avalanche triggered into the old facet snow layer from the January Cold spell. This was in relatively the same area, but was a little larger.