Date of Observation: 02/16/2023
Name: Zach Guy
Zone: Southeast Mountains
Route Description: Mt. Whetstone, viewed from Mt. CB
Observed avalanche activity: Yes
Avalanches: A handful of natural slab avalanches above treeline that ran during the storm, appear to be wind slabs ~D1.5
Photos:
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[accordion_item title=”Avalanche Report #1″ parent_id=”my-accordion” open=”false”]Estimated avalanche date: 02/15/2023
Number of Avalanches: 2
Location
Location: Mount Whetstone
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: NW
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: Hidden Lake Bowl x 2
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[accordion_item title=”Avalanche Report #2″ parent_id=”my-accordion” open=”false”]
Estimated avalanche date: 02/15/2023
Number of Avalanches: 2
Location
Location: Mount Whetstone
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: N
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: Hidden Lake Bowl x 1, Main Bowl x 1
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[accordion_item title=”Avalanche Report #3″ parent_id=”my-accordion” open=”false”]
Estimated avalanche date: 02/15/2023
Number of Avalanches: 1
Location
Location: Mount Whetstone
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: NE
Characteristics
Trigger: Natural
Trigger modifier:
Type: Unknown
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: M Face. Probably a wind slab. Could only see debris
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