Observer Name
UAC Staff/Snowbasin Ski Patrol
Observation Date
Wednesday, July 2, 2025
Avalanche Date
Monday, December 23, 2002
Region
Ogden » Snowbasin Backcountry » South of Snowbasin
Location Name or Route
Sisters
Elevation
9,000'
Aspect
Northeast
Slope Angle
45°
Trigger
Natural
Avalanche Type
Hard Slab
Avalanche Problem
Persistent Weak Layer
Weak Layer
Facets
Depth
4.5'
Width
20'
Vertical
150'
Comments
Natural avalanche occurred in the backcountry near Snowbasin. 4'-5' max depth (2' average) x 20' wide x 150' vertical. Ran full track.
Coordinates