Sawtooth Avalanche Center

Avalanche Occurrence

View Associated Field Report

General Information

Several slides released on N aspects just above the valley floor in Greenhorn Gulch, running into the creek.

Observer:
SAC Forecaster

Verified by SAC?
Yes

Occurrence Date:
Dec 12, 2022 (+/- 1 day)

Location:
Greenhorn Gulch

Comments:

Pin marks the slide in the photo. The others were downstream of Imperial Gulch, above Access Rd.

Avalanche Characteristics

# of Avys:
10
Aspect:
N (NE)
Start Zone Elev:
5900ft
Size:
D2
Type:
SS-Soft Slab
Trigger:
N-Natural
Bed Surface:
O-Old Snow
Depth:
2.5ft (max: 3.5ft)
Width:
160ft
Weak Layer:
Nov 27, 2022 (FC)
Comments:

Slides ranged from 50-300' wide. Some were on very gentle slopes, right around 30 degrees. Based on previous knowledge and the release patterns, I am confident these ran on surface hoar buried in late November.

Media

Several slides released on N aspects just above the valley floor in Greenhorn Gulch, running into the creek.