Northern San Juan

Avalanche

Jonathan Cooper · Dec 29, 2018 · Northern San Juan

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Weather

Hudson Mine Area NW-E 11100-11400 ft

Snowpack

Hudson Mine N Aspect 11,300 ft BTL - open area in the trees on a tailings pile HS: 122 cm 24* slope CTM SC 24cm down in recent storm snow CTM SC 70cm down on Thanksgiving layer ECTP 70cm down on Thanksgiving layer Observed snowpack collapse, whumph, and surface cracks

Avalanche

Observed a possibly skier triggered avalanche on the Commodore/Senator Beck shoulder that occurred sometime between 0800 and 1000 on 20181229 E aspect ~11,500 ft