Avalanche: Hatcher Pass

Location: Upper Glades/Japanese Trees

Route & General Observations

With Elias Neuffer
Low tide conditions in Japanese Trees, drastically increased snow depth above treeline into the upper glades(3200′)
Toured through Japanese Trees and stopped below the main ridgeline due to touchy windslabs, shooting cracks, and recent avalanches.
Dug pit @ 2700′ on a ESE aspect(results below)

Avalanche Details
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Trigger SkierRemote Trigger No
Avalanche Type Soft SlabAspect Northeast
Elevation 2900ftSlope Angle 35deg
Crown Depth 13inWidth 10ft
Vertical Run 15ft  
Avalanche Details

Partner triggered a soft slab release on a convex over a short section of steeper terrain.
Soft slab consisting of the new snow that fell the day before failed on top of the old, faceted, large grain snow that makes up the rest of the snow pack.
During other parts of the decent shooting cracks were observed though didn't slide due to low slope angle, definitely not the time to play in or around avalanche terrain.

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)?No
Cracking (Shooting cracks)?Yes
Observer Comments

Observed evidence of cross-loading and saw an avalanche release on a wind loaded gully side wall(NE).
Observed variable wind slab coverage on higher elevations that were very sensitive and would often send out shooting cracks that would sometimes go deep into the new snow/soft slab above the old snow.

Weather & Snow Characteristics
Please provide details to help us determine the weather and snowpack during the time this observation took place.

Calm winds, ~15F, and partly cloudy.

Snow surface

~13in of new, low density snow that made for amazing skiing conditions. Found sensitive wind slabs on the surface on ribs between gullys closer to ridges.


Dug pit @ 2700', ESE Aspect, snow pack depth was 95cm where pit was dug. ECTP2
Results below

Photos & Video
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