Observer Name
UAC Staff
Observation Date
Sunday, November 3, 2024
Avalanche Date
Saturday, February 12, 2005
Region
Salt Lake » Big Cottonwood Canyon
Location Name or Route
Big Cottonwood
Elevation
9,200'
Aspect
Northwest
Slope Angle
40°
Trigger
Explosive
Trigger: additional info
Intentionally Triggered
Avalanche Type
Hard Slab
Avalanche Problem
Persistent Weak Layer
Weak Layer
Facets
Depth
5'
Width
500'
Vertical
3,000'
Comments
- Argenta-Ran to flats stopping above highway
- Stairs- Ran to flats stopping above highway
- Ski areas reported several large D3 avalanches that were explosive triggered taking out mature timber
Coordinates