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Cabin creek avalanche on wind loaded ridge

Location Name: Connecting ridge between tinkers knob and Anderson peak Region: Cabin Creek, Deep Creek, or Pole Creek Area Observation Date & Time: Monday, March 26, 2018 - 13:00
Location: 39.252727, -120.287933 See map: CalTopo	Is this an Avalanche Observation?: Yes Conditions Alerts: Avalanche Activity Other Signs of Instability (cracking, whumpfing, collapsing) Other Signs of Instability (cracking, whumpfing, collapsing)›Collapsing / whumpfing noises Persistent Problem Recent Loading Recent Loading›Blowing Snow Terrain Alerts: Slopes Steeper than 30 degrees Obvious Slide Path Trigger Points Terrain Matches the Advisory

Location Name:

Connecting ridge between tinkers knob and Anderson peak

Region:

Cabin Creek, Deep Creek, or Pole Creek Area

Observation Date & Time:

Monday, March 26, 2018 - 13:00

Location:

39.252727, -120.287933

See map: CalTopo

Is this an Avalanche Observation?:

Yes

Conditions Alerts:

Avalanche Activity
Other Signs of Instability (cracking, whumpfing, collapsing)
Other Signs of Instability (cracking, whumpfing, collapsing)›Collapsing / whumpfing noises
Persistent Problem
Recent Loading
Recent Loading›Blowing Snow

Terrain Alerts:

Slopes Steeper than 30 degrees

Obvious Slide Path

Trigger Points

Terrain Matches the Advisory

Observation made by: Public

Tabs

Observation

Description of Snow, Weather, and Avalanche Conditions:

Triggered by falling cornice during a moderate advisory day. Evidence of prior avalanches in days past abundant. Triggered down to old rain crust layer.

Terrain Details

Terrain: elevations:

Near Treeline

Terrain: aspects:

Avalanche Details

Avalanche Type:

Cornice

Failure Plane/Weak Layer:

New/old snow interface

Additional number of similar avalanches:

5-10

Size

Destructive Size:

D3 Could bury and destroy a car, damage a truck, destroy a wood frame house, or break a few trees.

Relative Size:

R3 Medium

Crown Height:

3 ft

People Involved

Number of people caught:

Number of partial burials:

Number of full burials:

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Cabin creek avalanche on wind loaded ridge

Conditions Alerts:

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Cabin creek avalanche on wind loaded ridge

Conditions Alerts:

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