10webCBAC Observations
Date of Observation: 04/12/2023
Name: Zach Guy
Zone: Southeast Mountains
Route Description: Various locations
Observed avalanche activity: Yes
Avalanches: Adding a few more cornice falls and older avalanches observed this week to the database.
Photos:
Location: Oh-Be-Joyful Basin
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: N
Trigger: Natural
Trigger modifier:
Type: Cornice
Failure Plane:
Relative Size:
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: Near Garfield. Ran sometime between morning of 4/9 and 4/10.
Location: Mount Whetstone
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: E
Trigger: Natural
Trigger modifier:
Type: Cornice
Failure Plane:
Relative Size:
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: Hidden Lake Bowl.
Location: Copper Creek
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: E
Trigger: Natural
Trigger modifier:
Type: Cornice
Failure Plane:
Relative Size:
Destructive Size:
Avg. crown height (inches):
Avg. width (feet):
Avg. vertical run (feet):
# of people caught:
# of partial burials:
# of full burials:
Additional comments: Near White Mtn. Failure date estimated
Location: West Brush Creek
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: S
Trigger: Natural
Trigger modifier:
Type: Hard Slab
Failure Plane: Old snow
Relative Size: R3 medium
Destructive Size: D3.5
Avg. crown height (inches):
Avg. width (feet):
Avg. vertical run (feet):
# of people caught:
# of partial burials:
# of full burials:
Additional comments: Teo south face. Failure date estimated. Wide storm slab that stepped down to persistent slab.
Location: Beckwith Range
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: NE
Trigger: Cornice fall
Trigger modifier:
Type: Hard Slab
Failure Plane: Ground
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: Rocky slope on East Beckwith. Failure date estimated.
