Date of Observation: 02/27/2022
Name: Zach Guy
Zone: Southeast Mountains
Route Description: Teo Ridge, Twin Lakes, and Cumblerland Basin as viewed from Double Top
Observed avalanche activity: Yes
Avalanches: Documenting large avalanches from the cycle.
Location: Middle Brush Creek (Pearl Pass Road, Cumberland Basin, Twin Lakes)
Location Specific:
Start Zone Elevation: BTL: Below Tree Line
Aspect: E
Trigger: Natural
Trigger modifier:
Type: Soft Slab
Failure Plane: Old snow
Relative Size: R2 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: Teo Ridge
Location: Middle Brush Creek (Pearl Pass Road, Cumberland Basin, Twin Lakes)
Location Specific:
Start Zone Elevation: BTL: Below Tree Line
Aspect: E
Trigger: Natural
Trigger modifier:
Type: Soft Slab
Failure Plane:
Relative Size: R1 very small
Destructive Size: D1.5
Avg. crown height (inches):
Avg. width (feet):
Avg. vertical run (feet):
# of people caught:
# of partial burials:
# of full burials:
Additional comments: Teo Ridge
Location: Middle Brush Creek (Pearl Pass Road, Cumberland Basin, Twin Lakes)
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: E
Trigger: Natural
Trigger modifier:
Type: Soft Slab
Failure Plane:
Relative Size: R2 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: Twin Lakes Basin. Repeat offender from 12/31 cycle.
Location: Middle Brush Creek (Pearl Pass Road, Cumberland Basin, Twin Lakes)
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: SE
Trigger: Natural
Trigger modifier:
Type: Soft Slab
Failure Plane:
Relative Size: R2 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: SE wrapped into S. Upper Twin Lakes Basin.
Location: Middle Brush Creek (Pearl Pass Road, Cumberland Basin, Twin Lakes)
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: SE
Trigger: Natural
Trigger modifier:
Type: Soft Slab
Failure Plane: Within storm snow
Relative Size: R1 very small
Destructive Size: D1.5
Avg. crown height (inches):
Avg. width (feet):
Avg. vertical run (feet):
# of people caught:
# of partial burials:
# of full burials:
Additional comments: Cumberland Basin. These looked like wind slabs breaking with storm snow.
