Date of Observation: 03/11/2022
Name: Zach Guy
Zone: Northwest Mountains
Route Description: As viewed from Gothic Peak
Observed avalanche activity: Yes
Avalanches: A handful of D1 to D2 slab avalanches in wind drifted terrain that failed recently. Most looked like wind slabs failing within the storm snow. One appeared to be a large persistent slab below Scarp Ridge. See photos.
Photos:
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Large natural persistent slab above Peeler Lakes
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Wind slab on Peeler Peak
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Slab avalanche in Wolverine Basin.
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A few small avalanches in 5th Bowl of Axtell
Estimated avalanche date: 03/09/2022
Number of Avalanches: 1
Location
Location: Peeler Basin
Location Specific:
Start Zone Elevation: NTL: Near Tree Line
Aspect: N
Characteristics
Trigger: Natural
Trigger modifier:
Type: Soft Slab
Failure Plane: Old snow
Size
Relative Size: R3 medium
Destructive Size: D2.5
Avg. crown height (inches):
Avg. width (feet):
Avg. vertical run (feet):
Involvements
# of people caught:
# of partial burials:
# of full burials:
Additional comments: Scarp Ridge near Peeler Lakes
Estimated avalanche date: 03/10/2022
Number of Avalanches: 1
Location
Location: Oh-Be-Joyful Basin
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: NE
Characteristics
Trigger: Natural
Trigger modifier:
Type: Soft Slab
Failure Plane:
Size
Relative Size: R1 very small
Destructive Size: D1.5
Avg. crown height (inches):
Avg. width (feet):
Avg. vertical run (feet):
Involvements
# of people caught:
# of partial burials:
# of full burials:
Additional comments: Peeler Peak. Likely a wind slab.
Estimated avalanche date: 03/10/2022
Number of Avalanches: 1
Location
Location: Mount Emmons
Location Specific:
Start Zone Elevation: NTL: Near Tree Line
Aspect: E
Characteristics
Trigger: Natural
Trigger modifier:
Type: Soft Slab
Failure Plane:
Size
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):
Involvements
# of people caught:
# of partial burials:
# of full burials:
Additional comments: Not sure if this is a thick wind slab or if it broke into old layers.
Estimated avalanche date: 03/11/2022
Number of Avalanches: 3
Location
Location: Mount Axtell
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: NE
Characteristics
Trigger: Natural
Trigger modifier:
Type: Soft Slab
Failure Plane:
Size
Relative Size: R1 very small
Destructive Size: D1- Relatively harmless to people
Avg. crown height (inches):
Avg. width (feet):
Avg. vertical run (feet):
Involvements
# of people caught:
# of partial burials:
# of full burials:
Additional comments: A few small wind slabs/cornice fall slides in 5th bowl
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