Observer Name
UAC Staff
Observation Date
Monday, June 22, 2026
Avalanche Date
Tuesday, January 11, 2000
Region
Salt Lake » All Areas
Location Name or Route
All Areas
Elevation
9,500'
Aspect
North
Slope Angle
35°
Trigger
Unknown
Avalanche Type
Hard Slab
Avalanche Problem
Persistent Weak Layer
Weak Layer
Depth Hoar
Depth
3'
Width
500'
Vertical
1,000'
Comments
Widespread natural, explosive, and human triggered avalanche cycle staring on January 10, 2000.
January 10, 2000:
- Widespread new wind slab avalanches 1'-3' deep x 200' wide
January 11,2000:
- Bear Trap-collapsing reported
- Main Porter-sympathetic to skier 2' deep x 50' wide
- Lake Mary Chute- east-northeast aspect, 9,500' 2' deep x 60' wide
- South Monitor- east-northeast aspect, 4' wide failing on depth hoar (noted that West Monitor has not slid yet)
- Cinder Chutes- 700' vertical failed near the ground
- Reynolds- northeast aspect, 1'-2' deep x 50' wide x 800' vertical wind slab
January 12, 2000:
- Emma 1- 9,500', southwest aspect, 37° slope, 2' deep x 300' wide x 400' vertical wind slab triggered by a rider on a cross loaded slope
- Desolation- 9,600', north aspect, 40° slope, 2'-3' deep x 500' wide x 400' vertical failed on small grained facets (noted as near-surface facets (NSF) from January/Deceomber interface
- Clayton, 10,000' northeast aspect, 35° slope, 2' deep x 50' wide x 50' vertical
Coordinates
