Date of Observation: 04/02/2023
Name: Evan Ross
Zone: Southeast Mountains
Route Description: SE Mountain FX area
Observed avalanche activity: Yes
Avalanches: 4 cornice avalanches that failed since Friday. 2 above Copper Creek on a SE aspect at 12,000ft. Another 2 in the Hidden Lake Bowl of Mt Whetstone on a northerly facing slope at 12,200ft. The Hidden Lake Bowl cornices may be repeat offenders similar to those that keep falling into Redwell.
Photos:
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Hidden Lake
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Copper Creek
Estimated avalanche date: 04/01/2023
Number of Avalanches: 2
Location
Location: Copper Creek
Location Specific:
Start Zone Elevation: NTL: Near Tree Line
Aspect: SE
Characteristics
Trigger: Natural
Trigger modifier:
Type: Cornice
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: Estimated date and size
Estimated avalanche date: 04/01/2023
Number of Avalanches: 2
Location
Location: Mount Whetstone
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: NE
Characteristics
Trigger: Natural
Trigger modifier:
Type: Cornice
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: Estimated date and size. Could have failed a day before or a day after.
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