Sawtooth Avalanche Center

Avalanche Occurrence

General Information

Observer:
SAC Forecaster

Verified by SAC?
Yes

Occurrence Date:
Feb 27, 2023 (Exact)

Location:
Frenchman Creek

Comments:

This avalanche was remotely triggered by a group of snowmobilers. The party made 5-7 passes over the slope before causing the avalanche to release.

Avalanche Characteristics

# of Avys:
1
Aspect:
NW
Start Zone Elev:
9300ft
Size:
D1.5
Type:
SS-Soft Slab
Trigger:
AM-Snowmobile
r-Remote
Bed Surface:
I-New/Old Interface
Comments:

Crown appears to be 1-2 feet thick. This slide appeared to fail on faceted snow on a wind-loaded slope.

Media

Public Field Report: Frenchman’s