Date of Observation: 04/10/2023
Name: Eric Murrow
Zone: Southeast Mountains
Route Description: Pavement observations
Observed avalanche activity: Yes
Avalanches: A handful more large Wet Loose and Wet Slab avalanches failed in the Red Ridge area. Wet Slabs seem to be the biggest issue on easterly and westerly aspects with more southerly slopes generally being a loose problem.
Weather:
Snowpack:
Photos:
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A Wet Slab on an east-facing slope above Copper Creek.
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A Wet Slab on a southeast aspect and Wet Loose avalanches on westerly aspects of Red Ridge.
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A Wet Loose ran Monday afternoon and other loose avalanches ran on Sunday.
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Gouging Wet Loose avalanches from rocky, westerly slopes of Red Ridge.
Estimated avalanche date: 04/10/2023
Number of Avalanches: 2
Location
Location: Other: Add text
Location Specific: Red Ridge area
Start Zone Elevation: BTL: Below Tree Line
Aspect: W
Characteristics
Trigger: Natural
Trigger modifier:
Type: Wet Loose
Failure Plane: Old snow
Size
Relative Size: R3 medium
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 avalanche date: 04/10/2023
Number of Avalanches: 1
Location
Location: Other: Add text
Location Specific: Red Ridge area
Start Zone Elevation: NTL: Near Tree Line
Aspect: SW
Characteristics
Trigger: Natural
Trigger modifier:
Type: Wet Loose
Failure Plane: Old snow
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 avalanche date: 04/10/2023
Number of Avalanches: 1
Location
Location: Copper Creek
Location Specific: lower end
Start Zone Elevation: BTL: Below Tree Line
Aspect: E
Characteristics
Trigger: Natural
Trigger modifier:
Type: Wet Slab
Failure Plane: Old snow
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: CLiffs above likely helped pump water into snowpack
Estimated avalanche date: 04/10/2023
Number of Avalanches: 1
Location
Location: Other: Add text
Location Specific: Red Ridge area
Start Zone Elevation: NTL: Near Tree Line
Aspect: SE
Characteristics
Trigger: Natural
Trigger modifier:
Type: Wet Slab
Failure Plane:
Size
Relative Size: R3 medium
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 avalanche date: 04/10/2023
Number of Avalanches: 3
Location
Location: Other: Add text
Location Specific: Red Ridge area
Start Zone Elevation: BTL: Below Tree Line
Aspect: W
Characteristics
Trigger: Natural
Trigger modifier:
Type: Wet Loose
Failure Plane: New/Old interface
Size
Relative Size: R2 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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