Date of Observation: 01/05/2023
Name: Evan Kezsbom
Zone: Southeast Mountains
Route Description: Whetstone and Emmons
Observed avalanche activity: Yes
Avalanches: See photos of recent persistent slab avalanches on Emmons and Whetstone. Photo credit: @evankezsbomphotography
Location: Mount Whetstone
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: NE
Trigger: Natural
Trigger modifier:
Type: Hard Slab
Failure Plane: Old snow
Relative Size: R2 small
Destructive Size: D2.5
Avg. crown height (inches):
Avg. width (feet):
Avg. vertical run (feet):
# of people caught:
# of partial burials:
# of full burials:
Additional comments: M Face.
Location: Mount Emmons
Location Specific:
Start Zone Elevation: NTL: Near Tree Line
Aspect: NE
Trigger: Natural
Trigger modifier: Sympathetic
Type: Soft Slab
Failure Plane: Old snow
Relative Size: R1 very small
Destructive Size: D2 – could bury, injure, or kill a person
Avg. crown height (inches):
Avg. width (feet):
Avg. vertical run (feet):
# of people caught:
# of partial burials:
# of full burials:
Additional comments: RLB near skin track ridge. Potentially sympathetic with main bowl wall-to-wall event.
