Natural avalanche on Mount Owen via text message

CBAC December 7, 2022CBAC Observations

Date of Observation: 12/07/2022

Zone: Northwest Mountains
Route Description: Avi ob from Irwin area.

Observed avalanche activity: Yes
Avalanches: Natural avalanche on Mount Owen. East to southeast aspect above the treeline.
Weather:
Snowpack:

Photos:

Avalanche Report #1

Estimated avalanche date: 12/06/2022
Number of Avalanches: 1

Location

Location: Lake Irwin (Robinson Basin, Owen, Ruby)
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: SE

Characteristics

Trigger: Natural
Trigger modifier:
Type:
Failure Plane:

Size

Relative Size: R1 very small
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: east to southeast to south-southeast

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