Avalanche: Turnagain

Location: South Seattle Ridge

Route & General Observations

Skied a few laps in Gulch Creek and TT43. As has been reported across the zone, a widespread avalanche cycle occurred here as well. Generally tried to ski where partially filled in crowns were visible from the last cycle. On TT43, two skiers in group skied a slope that did not have a visible crown. First skier descended without incident. Second skier triggered a small wind pocket off a crossloaded spine which slid ~100 feet (see attached pic) before propagating across the slope and over the first skier’s tracks. Aftermath picture from below shows where the small windslab steps down – the small initial slide almost looks like a slough. The big slab propagated across the slope until it reached parts of slope that had already slid and continued down slope until slope angle decreased. Of note, the snow makeup of the large slab was light snow that could be called borderline blower.

Avalanche Details
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Trigger SkierRemote Trigger No
Avalanche Type Soft SlabAspect West
Elevation 4500ftSlope Angle 37deg
Crown Depth 24inWidth 350ft
Vertical Run 500ft  
Photos & Video
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