Date of Observation: 01/02/2022
Name: Zach Guy
Zone: Northwest Mountains
Route Description: Anthracite Range
Observed avalanche activity: Yes
Avalanches: Widespread activity from 12/31 cycle on northerly aspects, generally D3 to D3.5. The Budda Bowl slide reportedly destroyed a cabin in the Bracken Creek area. See photo. Also some smaller slides and older debris piles not coded.
Photos:
-
-
Mooses Tooth Bowl
-
-
Northwest Bowl of AMR
-
-
Budda Bowl above Bracken Creek
-
-
Cabin destroyed in Bracken Creek
-
-
Ohio Peak
-
-
Northern Anthracite Range and West Elk Wilderness
-
-
Northern Anthracite Range and West Elk Wilderness
Estimated avalanche date: 12/31/2021
Number of Avalanches: 2
Location
Location: Anthracite Range
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: N
Characteristics
Trigger: Natural
Trigger modifier:
Type: Hard Slab
Failure Plane: Old snow
Size
Relative Size: R4 large
Destructive Size: D3.5
Avg. crown height (inches):
Avg. width (feet):
Avg. vertical run (feet):
Involvements
# of people caught:
# of partial burials:
# of full burials:
Additional comments: Ohio Peak (above playground) and Budda Bowl. The Budda Bowl may have been D4. It expanded runout and destroyed a cabin. Slides wrapped multiple aspects
Estimated avalanche date: 12/31/2021
Number of Avalanches: 3
Location
Location: Anthracite Range
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: NE
Characteristics
Trigger: Natural
Trigger modifier:
Type: Hard Slab
Failure Plane: Old snow
Size
Relative Size: R4 large
Destructive Size: D3 – could destroy a car, wood-frame house, or snap trees
Avg. crown height (inches):
Avg. width (feet):
Avg. vertical run (feet):
Involvements
# of people caught:
# of partial burials:
# of full burials:
Additional comments: Northern end of Anthracite Range and West Elk Wilderness
Estimated avalanche date: 12/31/2021
Number of Avalanches: 1
Location
Location: Anthracite Range
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: N
Characteristics
Trigger: Natural
Trigger modifier:
Type: Hard Slab
Failure Plane: Old snow
Size
Relative Size: R4 large
Destructive Size: D3 – could destroy a car, wood-frame house, or snap trees
Avg. crown height (inches):
Avg. width (feet):
Avg. vertical run (feet):
Involvements
# of people caught:
# of partial burials:
# of full burials:
Additional comments: Northern end of Anthracite Range
Estimated avalanche date: 12/31/2021
Number of Avalanches: 1
Location
Location: Anthracite Range
Location Specific:
Start Zone Elevation: NTL: Near Tree Line
Aspect: N
Characteristics
Trigger: Natural
Trigger modifier:
Type: Soft Slab
Failure Plane: Unknown
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: Northwest Bowl of AMR
Estimated avalanche date: 12/31/2021
Number of Avalanches: 1
Location
Location: Anthracite Range
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: E
Characteristics
Trigger: Natural
Trigger modifier:
Type: Hard Slab
Failure Plane: Old snow
Size
Relative Size: R4 large
Destructive Size: D3 – could destroy a car, wood-frame house, or snap trees
Avg. crown height (inches):
Avg. width (feet):
Avg. vertical run (feet):
Involvements
# of people caught:
# of partial burials:
# of full burials:
Additional comments: Moose Tooth Bowl. Could have been two separate slides?
5201
