Ski toured from Alpy upper lot to the thumbtack col. descended the couloir to snow lake divde and then out via source lake.
Jan. 10, 2018, 2 p.m. PST
Weather: Light snow, winds light with ridge top up to 15mph. Limited visibility.
Snowpack: New snow on last weeekends rain crust, 10 to 30 cms depending on elevation and aspect.
Area Description: Slope above Snow Lake Divde, south facing.
Avalanches: Ski cut south facing couloir and released a size 1.5 avalanche, which ran 100 meters. Crown was 15 to 25 cms. Snow slide on smooth well supported rain crust.
Observation by John Rouches
Did you see any avalanches? Yes
Did you trigger any avalanches? Yes
Was anyone caught in an Avalanche? No