Irwin 12/3/14

CB Avalanche Center2014-15 Observations

Name: Zach Guy
Title: Irwin 12/3/14
Location: Kebler Pass Area
Date of Observation: 12/03/2014
Aspect: West
Elevation: Near treeline

Avalanches: 8 airblasts, 2 handshots on several previously untouched West facing paths N/ATL produced no significant results. One soft slab 5” deep, 20 ft wide, running on the Nov 22 facet layer in OL. SS-AB-R1-D1-O

Weather: Brief periods of S-1. Trace accumulation.

Snowpack: On west facing aspects near treeline: Snowdepths 70-120 cm deep. Mostly faceting midpack across slopes, some isolated slabbier feeling areas particularly behind tree fences. Nov 22 facet layer is 6-12” deep, appeared to be more preserved behind shading trees. Varying CT results, No ECT results on this layer. Nov 2 depth hoar layer is moist, rounding. No results on this layer. Several layers of melt-freeze crust and rime crust near the surface, with some rounding facets in between.