Sluffing and storm slab at Irwin

CB Avalanche Center2016-17 Observations

Location: Kebler Pass Area
Date of Observation: 01/14/2017
Name: Zach Guy
Subject: Sluffing and soft slab at Irwin
Aspect: South East, South, West
Elevation: 10,000-11,800 ft

Avalanches: Widespread, shallow sluffing (L-AS/N-R1-D1-S) on slopes steeper than ~38 degrees, all aspects. Skier triggered soft slab on west aspect NTL, ~15″ deep, failed on precip particles. (SS-AS-R1-D1.5-S)
Weather: S-1 to S1 and overcast most of the day. Calm winds. High of 34 in the afternoon, and brief solar breaks with greenhouse affect.
Snowpack: 3″ last night, 2″ today. Low density, new snow became more cohesive due to green housing in the afternoon.
Hand shots and airblasts in previously trafficked and/or mitigated terrain produced no results

SS-AS-R1-D1.5-S. W aspect NTL.