Observation Date
Wednesday, March 21, 2018
Avalanche Date
Wednesday, March 21, 2018
Region
Uintas » Bear River Ranger District » Whitney Basin
Location Name or Route
Whitney Basin/Upper Weber Canyon
Elevation
10,400'
Aspect
Northeast
Slope Angle
40°
Trigger
Skier
Trigger: additional info
Intentionally Triggered
Avalanche Type
Soft Slab
Avalanche Problem
New Snow
Depth
18"
Width
60'
Vertical
350'
Comments
SS-ASr-R1-D1 at 10,400 NE 18" deep 30' wide ran 200-300', remote triggered from 200' above, shooting cracks into adjacent similar terrain. SS-AS-R2-D1.5 10,500 NE 18" deep 60' wide ran 300'. Both events ran on 20180314 1mm thin friable rime crust bed surface.Suspect cause was collapse of deeper weak layers.
