Quick report
- Slope Angle
- 35°
Avalanche
- Slab Width
- 152 m
- Weak Layer
- Depth Hoar
- Vertical Fall
- 305 m
- Avalanche Type
- Hard Slab
- Slab Thickness
- 91 cm
- Start Zone Aspect
- North
- Avalanche Problem
- Persistent Weak Layer
- Start Zone Elevation
- 2896 m
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