Observer Name
UAC Staff
Observation Date
Sunday, July 26, 2026
Avalanche Date
Saturday, February 21, 1998
Region
Uintas » Duchesne Ridge
Location Name or Route
Duchesne Ridge
Elevation
10,000'
Aspect
Northwest
Slope Angle
32°
Trigger
Snowmobiler
Avalanche Type
Hard Slab
Avalanche Problem
Persistent Weak Layer
Weak Layer
Depth Hoar
Depth
7'
Width
175'
Vertical
800'
Comments
Possibly snowmobile triggered 6'-'9' deep. Failed in 10" of depth hoar near the ground. This was a heavily wind-loaded area and this avalanche broke trees that were 24" in diameter.
Coordinates
