Avalanche: Turnagain

Location: Bertha Creek

Date:
Observer:
Kirsten Kremer
Route & General Observations

Pro 2 course touring up Bertha Creek observed instability on the buried surface hoar

Avalanche Details
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Trigger SkierRemote Trigger Yes
Avalanche Type Soft SlabAspect West
Elevation 1800ftSlope Angle 20deg
Crown Depth 20inWidth 15ft
Vertical Run 5ft  
Avalanche Details

This avalanche released between two uphill skiers after the first person passed and before the second arrived on a low angle semi ridge feature with some wind loading on the SW side reaching a depth of 70cm. It arrested shortly after releasing.

Red Flags
Red flags are simple visual clues that are a sign of potential avalanche danger. Please record any sign of red flags below.
Obvious signs of instability
Recent Avalanches?Yes
Collapsing (Whumphing)?Yes
Cracking (Shooting cracks)?Yes
Weather & Snow Characteristics
Please provide details to help us determine the weather and snowpack during the time this observation took place.
Weather

Broken skies, light N-NE winds, 25F

Snow surface

40cm soft powder settling into a slab

Location
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