Date of Observation: 02/27/2022
Name: Zach Guy
Zone: Northwest Mountains
Route Description: Near Irwin Townsite
Observed avalanche activity: Yes
Avalanches: Shared to CBAC on social media. Small skier triggered persistent slab in a small opening in west facing trees
Photos:
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[accordion_item title=”Avalanche Report #1″ parent_id=”my-accordion” open=”false”]Estimated avalanche date: 02/26/2022
Number of Avalanches: 1
Location
Location: Lake Irwin (Robinson Basin, Owen, Ruby)
Location Specific:
Start Zone Elevation: BTL: Below Tree Line
Aspect: W
Characteristics
Trigger: Skier
Trigger modifier:
Type: Soft Slab
Failure Plane: Old snow
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:
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