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Avalanche: Upper Weber Canyon

Observer Name
Kikkert
Observation Date
Thursday, January 11, 2018
Avalanche Date
Thursday, January 11, 2018
Region
Upper Weber Canyon
Location Name or Route
Upper Weber Canyon
Elevation
10,300'
Aspect
North
Slope Angle
38°
Trigger
Skier
Trigger: additional info
Sympathetic Release
Avalanche Type
Hard Slab
Avalanche Problem
Persistent Weak Layer
Weak Layer
Facets
Depth
2"
Width
400'
Vertical
600'
Comments

Several slides intentionally triggered today using ski cuts. All slides were on upper elevation northerly facing slopes that harbored weak faceted snow. Depth varied, with maximum depth around 2'. Slabs were both hard and soft.  One slide sympathetically triggered adjacent slopes. These slides were entraining a decent amount of snow, and were large enough to injure or bury a person. Very dangerous conditions exist, particularly upper elevation northerly facing slopes.Photos below show two of the slides and one of the faceted snow in the weak layer that failed.

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