Observer Name
UAC Staff
Observation Date
Tuesday, July 14, 2026
Avalanche Date
Friday, November 21, 1997
Region
Salt Lake » Little Cottonwood Canyon » Alta Ski Area
Location Name or Route
Yellowtrail
Elevation
10,300'
Aspect
East
Slope Angle
36°
Trigger
Skier
Avalanche Type
Soft Slab
Avalanche Problem
Persistent Weak Layer
Weak Layer
Facets
Depth
2'
Width
30'
Vertical
300'
Caught
1
Carried
1
Comments
Patroller caught and carried. Rode to the bottom, no injuries and not buried.
Similar time frame:
- Little Cottonwood- north-east aspects-4' deep x 300' wide x 500' vertical
- Little Cottonwood- west aspect- 18"-24" deep. One skier caught and carried
- Silver Fork- east-northeast aspect- 18" deep x 30' wide x 700' vertical failed on depth hoar or maybe some sort of recrystalized facet (skier lost gear)
- Alexander Basin- east-northeast aspect-4"-6" deep x 20' wide x 300' vertical. Cornice triggered
- Pfeifferhorn- east aspect- 2'-5' deep x 50' wide broke 30' below the summer hiking trail. Depth hoar
- East Face of Reynolds- ran 700' vertical feet failing on depth hoar
Coordinates
