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Recreational Observation

Tilly Jane to Tie-In-Rock on Cooper Spur

Dec. 21, 2016, 10 a.m. PST

Weather: Clear, calm wind, 28F @ 6000ft

Snowpack: Below treeline: dusting of snow overlying 5mm non-supportive rain crust overlying dry, loose, F-hardness snow. Ski penetration 1-2cm. Above treeline: exposed supportive "bomber", smooth rain crust. "Crust of fear"... smooth future avalanche bed. Exposed rain crust seen up to 8,000ft. Ski penetration zero above tree line, pole spike penetration minimal. At treeline: some localized, reactive wind slabs (observed up to 1ft), reactive to ski cuts, overlying rain crust.

Avalanches: None observed, no debris seen.

Observation by Alex Laudon

Latitude: 45.377036

Longitude: -121.674936

Did you see any avalanches? No

Did you trigger any avalanches? No

Was anyone caught in an Avalanche? No