Date of Observation: 03/19/2023
Zone: Northwest Mountains
Route Description: Yule Creek area
Observed avalanche activity: Yes
Avalanches: A few small triggered and natural wind slabs from northwesterly winds channeling down valley. A large persistent slab on the east side of Justice looks like it ran during the last storm.
Location: Upper Slate (Purple, Yule Pass, Paradise Divide)
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: NE
Trigger: Skier
Trigger modifier: Controlled
Type: Soft Slab
Failure Plane: Within storm snow
Relative Size: R1 very small
Destructive Size: D1- Relatively harmless to people
Avg. crown height (inches):
Avg. width (feet):
Avg. vertical run (feet):
# of people caught:
# of partial burials:
# of full burials:
Additional comments: Yule Pass
Location: Upper Slate (Purple, Yule Pass, Paradise Divide)
Location Specific:
Start Zone Elevation: ATL: Above Tree Line
Aspect: E
Trigger: Natural
Trigger modifier:
Type: Soft Slab
Failure Plane: Old snow
Relative Size: R2 small
Destructive Size: D2.5
Avg. crown height (inches):
Avg. width (feet):
Avg. vertical run (feet):
# of people caught:
# of partial burials:
# of full burials:
Additional comments: Mt. Justice. Failure date estimated.
