Date of Observation: 04/10/2023
Name: Eric Murrow
Zone: Southeast Mountains
Route Description: Hwy 135 obs
Observed avalanche activity: Yes
Avalanches: Several loose avalanches from easterly aspects yesterday viewed early this morning. A handful more gouging wet loose on easterly terrain and loose/slab hybrid avalanches up to D2.5.
Photos:
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[accordion_item title=”Avalanche Report #1″ parent_id=”my-accordion” open=”false”]Estimated avalanche date: 04/09/2023
Number of Avalanches: 2
Location
Location: Mount Whetstone
Location Specific:
Start Zone Elevation: NTL: Near Tree Line
Aspect: E
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: Visible Sunday evening. Coded as Loose but was hybrid loose/slab.
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Estimated avalanche date: 04/10/2023
Number of Avalanches: 2
Location
Location: Mount Whetstone
Location Specific:
Start Zone Elevation: BTL: Below Tree Line
Aspect: E
Characteristics
Trigger: Natural
Trigger modifier:
Type: Soft Slab
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: high confidence these ran 1/10. Coded as wet slabs.
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[accordion_item title=”Avalanche Report #3″ parent_id=”my-accordion” open=”false”]
Estimated avalanche date: 04/10/2023
Number of Avalanches: 2
Location
Location: Mount Whetstone
Location Specific:
Start Zone Elevation: BTL: Below Tree Line
Aspect: E
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:
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Estimated avalanche date:
Number of Avalanches: 4
Location
Location: Gothic Mountain
Location Specific:
Start Zone Elevation: NTL: Near Tree Line
Aspect: E
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: Coding for looses that ran 4/10. Some gouged deeply in places.
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Estimated avalanche date: 04/09/2023
Number of Avalanches: 1
Location
Location: Gothic Mountain
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: E
Characteristics
Trigger: Cornice fall
Trigger modifier:
Type: Hard Slab
Failure Plane: Old snow
Size
Relative Size: R2 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: Visible early morning on 4/10 so coded for 4/9
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