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Observations

Region: Hatcher Pass
Location: Hatch Peak
Observer:
Date:

Route & General Observations

Skied up 1000$ run, two snowboarders reported having triggered the avalanche minutes earlier. Mostly wind scoured conditions with anti-tracks. Pockets of sensitive windslabs in gullies along route. All north-facing slopes of Hatch looked wind loaded. Today windslabs were less sensitive/reactive today compared to yesterday. Poor visibility/flat light all day, with occasional light snow flurries in afternoon.

Avalanche Details

Avalanche details

Trigger SnowboarderAvalanche Type Soft SlabAspect North
Elevation 3900ftSlope AngleunknownCrown Depth 12in
Width 100ftLength 500ft  

Observer Comments

First skier triggered windslab on the first turn and took a ride, but wasn't buried. Poor vis made it hard to estimate avalanche size, most likely a D1.5-D2. Avalanche started in windslab, and stepped down to deeper weak layers. In places it stepped down to ground/basal facets. Deeper layers where most likely hard slab. Wind slabs were most likely 4F+ hard.

Red Flags

Obvious signs of instability

Recent Avalanches?YesCollapsing (Whumphing)?NoCracking (Shooting cracks)?Yes


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