Sawtooth Avalanche Center

Avalanche Occurrence

General Information

Observer:
SAC Forecaster

Verified by SAC?
Yes

Occurrence Date:
Mar 4, 2021 (+/- 1 week)

Location:
Imogene

Comments:

Unknown timing, likely during warm temperatures during first week of March. Unknown weak layer, but based on crown depth, aspect, and appearance of bed surface it may have failed on the late-January (1/27) sun crust that produced other activity in the region.

Avalanche Characteristics

# of Avys:
1
Aspect:
S (SE,S,SW)
Start Zone Elev:
9600ft
Size:
D2.5
Type:
WS-Wet Slab
Trigger:
N-Natural

Media

Crown and debris from a large, wet slab avalanche that likely failed during the warm-up at the beginning of March. The crown of the slide is at around 9,600' on a S-facing slope and the slide ran all the way to the valley bottom.