West Slopes South - South of I-90 to Columbia River
Dec. 31, 2018, 1:30 p.m. PST
Weather: CLR -9 deg C calm wind
Snowpack: HS 240. Approximately 90cm of snow sitting on top of stout 5cm MF crust/ice lenses. Surface hoar formation on surface. MF crust (from 12/28-12/29 rain) 40 cm down from surface. Buried SH 65 cm down from surface (layer of greatest concern). Sudden Planar shear quality on buried SH.
Area Description: Bear Gap - Crystal BC
Avalanches: SSASrR1D1O Approx 2:30 pm NE ~35 deg slope 6,200 ft. Triggered from flats below slope after multiple collapses were observed.
Observation by Jake Skeen
Did you see any avalanches? Yes
Did you trigger any avalanches? Yes
Was anyone caught in an Avalanche? No