Observer Name
Bob Merrill
Observation Date
Tuesday, February 23, 2010
Avalanche Date
Tuesday, February 23, 2010
Region
Salt Lake » Tolgate Canyon
Location Name or Route
Elevation
9,200'
Aspect
Northeast
Slope Angle
35°
Trigger
Unknown
Trigger: additional info
Unintentionally Triggered
Avalanche Type
Hard Slab
Weak Layer
Surface Hoar
Depth
14"
Width
400'
Vertical
Unknown
Comments
lewis peak above wanship, pine meadows ranch, tollgate canyon - snowmobiled up west face to ridgeline just south of summit to ski ENE facing stella bowl
Comments
sympathetically triggered a 400' wide 12"-16" medium soft slab while approaching the top of bowl - 20' from the roll-over on ENE facing, 9200', 35 degree slope. observed significant cracking on less than 20 degree slope above - very sensitive snow failing on buried surface hoar on top of wind affected bed surface never experienced such sensitivity before in 20 years.. much of both on adjacent slopes E-N at very low angles
Coordinates