Date of Observation: 02/22/2022
Name: Eric Murrow
Zone: Southeast Mountains
Route Description: Pavement tour along roadways
Observed avalanche activity: Yes
Avalanches: Numerous natural avalanches on east and northeast aspects of Gibson Ridge, Peanut Lake Chutes, and Happy Chutes. Visibility was too poor to see Climax Chutes but the aprons appeared to be free of debris. Most avalanches are D1 in size with some D1.5s. Longer terrain in Happy Chutes may have reached D2 but visibility wasn’t good enough to confirm.
Weather: Light snowfall with obscured skies.
Snowpack: Noticed dust in the bottom portion of the storm snow at valley bottom.
Photos:
-
-
A natural avalanche on northeast slope of Gibson Ridge. A good example of the size of avalanches from Peanut Lake and Happy Chutes zones.
Estimated avalanche date: 02/22/2022
Number of Avalanches: 2
Location
Location: Other: Add text
Location Specific: Gibson Ridge
Start Zone Elevation: BTL: Below Tree Line
Aspect: E
Characteristics
Trigger: Natural
Trigger modifier:
Type: Soft Slab
Failure Plane:
Size
Relative Size: R1 very small
Destructive Size: D1- Relatively harmless to people
Avg. crown height (inches): 6
Avg. width (feet):
Avg. vertical run (feet):
Involvements
# of people caught:
# of partial burials:
# of full burials:
Additional comments: Poor vis. East slopes of Gibson ridge. Coded it was 2, but hard to know if they connected or there was more. Looked to run above the crust
Estimated avalanche date: 02/22/2022
Number of Avalanches: 6
Location
Location: Mount Emmons
Location Specific: Gibson Ridge, Peanut Lake Cutes, Happy Chutes
Start Zone Elevation: BTL: Below Tree Line
Aspect: NE
Characteristics
Trigger: Natural
Trigger modifier:
Type: Soft Slab
Failure Plane:
Size
Relative Size: R1 very small
Destructive Size: D1.5
Avg. crown height (inches): 8
Avg. width (feet):
Avg. vertical run (feet):
Involvements
# of people caught:
# of partial burials:
# of full burials:
Additional comments: A pile of natural activity on these slopes. There were other D1’s that I did not code. Some of Happy Chutes may have pushed D2
Estimated avalanche date:
Number of Avalanches:
Location
Location:
Location Specific:
Start Zone Elevation:
Aspect:
Characteristics
Trigger:
Trigger modifier:
Type:
Failure Plane:
Size
Relative Size:
Destructive Size:
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:
Number of Avalanches:
Location
Location:
Location Specific:
Start Zone Elevation:
Aspect:
Characteristics
Trigger:
Trigger modifier:
Type:
Failure Plane:
Size
Relative Size:
Destructive Size:
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:
Number of Avalanches:
Location
Location:
Location Specific:
Start Zone Elevation:
Aspect:
Characteristics
Trigger:
Trigger modifier:
Type:
Failure Plane:
Size
Relative Size:
Destructive Size:
Avg. crown height (inches):
Avg. width (feet):
Avg. vertical run (feet):
Involvements
# of people caught:
# of partial burials:
# of full burials:
Additional comments:
5365
