Date of Observation: 01/04/2023
Name: Irwin Guides
Zone: Northwest Mountains
Route Description: Terrain near Irwin Cat Ski.
Observed avalanche activity: Yes
Avalanches: Bender failed on 10 cm’s of small grain facets on the ground. The crown was 4′ at
it’s apex. SS-N-R3-D2.5-O/G Large Natural that most likely ran last night avg. 1m crown started below thin line and connected over to SS L. 11,600K S-SSE aspect 90 cm X 150m X 80m
Numerous naturals size 1-2 UUWW,
Large Natural D2.5 above Robinson Basin ESE aspect approx. 150 m wide, 11,300K, along with another D2.5 below
Pete Rose S aspect 11,700K
Bender SS-AE-R3-D2.5-O FC (90cm x 70m x 150m)
Weather: OVC, 10 @ SP and single digits up top. W 20>10 G 30’s, trace of new.
Snowpack: Stiff stubborn wind slabs up high on W. Unreactive SS across all lower elevations on
the West Wall. Ski quality is still good although ski pen in down to 30 cm’s from yesterdays white room
conditions. E – SE was heavily loaded HS 130-150 cm’s. 4″ of settlement today.
-
- Large avalanche from Irwin Guides Catski operation.
-
- A large natural avalanche on Robinson Bench across from Irwin Guides Catski operation.
