Avalanche Occurrence

View Associated Field Report

Persistent slabs that released near the head of Swamp Cr in the Banner Summit zone near the end of the recent storm. 9000', SE.

Observer:

SAC Forecaster

Verified by SAC?

Yes

Occurrence Date:

Jan 5, 2021 (+/- 1 day)

Location:

Head of Swamp Creek

Comments:

Crisp, wide persistent slabs that looked to have released towards the end of the storm. Interesting ridge-level and mid slope crowns.

# of Avys:

2

Aspect:

SE (SE,E)

Start Zone Elev:

9100ft

Size:

D2

Type:

SS-Soft Slab

Trigger:

N-Natural

Bed Surface:

O-Old Snow

Width:

660ft

Vertical Fall:

400ft

Weak Layer:

Dec 11, 2020 (FCsf)

Persistent slabs that released near the head of Swamp Cr in the Banner Summit zone near the end of the recent storm. 9000', SE.