Date of Observation: 02/26/2022
Name: Evan Ross
Zone: Northwest Mountains
Route Description: Upper Slate and Upper East River.
Observed avalanche activity: Yes
Avalanches: Remotely triggered one large avalanche, below treeline on a west aspect. Crown estimated to be 45 to 50cm. 1 large natural avalanches from the last cycle on south aspects above treeline. Lots of other avalanche activity to see, but it all fits the big picture and may have already been documented.
Photos:
Estimated avalanche date: 02/26/2022
Number of Avalanches: 1
Location
Location: Upper Slate (Purple, Yule Pass, Paradise Divide)
Location Specific:
Start Zone Elevation: BTL: Below Tree Line
Aspect: W
Characteristics
Trigger: Snowmobiler
Trigger modifier: Remote
Type: Soft Slab
Failure Plane: Old snow
Size
Relative Size:
Destructive Size: D2 – could bury, injure, or kill a person
Avg. crown height (inches): 20
Avg. width (feet):
Avg. vertical run (feet):
Involvements
# of people caught:
# of partial burials:
# of full burials:
Additional comments: Remotely triggered one large avalanche, below treeline on a west aspect. Crown estimated to be 45 to 50cm.
Estimated avalanche date: 02/23/2022
Number of Avalanches: 1
Location
Location: Other: Add text
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: S
Characteristics
Trigger: Natural
Trigger modifier:
Type: Soft Slab
Failure Plane: Unknown
Size
Relative Size:
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: Rock Creek. South aspect ATL.
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