Valanga

Spring Hill along Giddy Giddy Ridge

Jonathan Cahill, Josh LanneyMount Shasta
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Foto dell’osservazione 1Foto dell’osservazione 2

Quick report

Substantial solar gain by the snowpack. Upper several inches of the snowpack were wet. Mid thigh-deep post-holing around the suspected time of the avalanche of 2-6pm.

Avalanche

D1.5-2 loose wet avalanche from a point release along the ridgeline above Horse Camp at ~9,200' SSE aspect. Likely skier triggered (evident tracks near start zone). Deposited near edge of treeline. Likely occurred in the afternoon following significant snowpack warming and solar gain.