Irwin Cat Ski Obs

CB Avalanche Center 2018-19 Observations

Location: Kebler Pass Area
Date of Observation: 12/15/2018
Name: IG

Subject: Irwin Cat Ski Obs
Aspect: South West, West
Elevation: Below and near treeline terrain

Avalanches:

Lone Wolf- Shallow wind slab did not run down to the 11/22 interface

Castle Valley Left- Averaged an 80cm crown. Down to the facets near the ground. Took out the 11/22 interface.

Lone Wolf SS-AE-R1-D1.5-O FC (25cm x 15m x 175m)
Castle Valley Left SS-AE-R2-D2-G FC (80cm x 20m x 250m)

Weather: Clear, Calm winds down low with moderate gusts up high out of the west. High temps 34 @
10,200′ & 24 @ 12,000′.
Snowpack: PS structure still present in UUWW. Shallow snowpack on average less than 90cm. Single
hand shots are effective to ground in the upper upper west wall in most places.

Photos: