Avalanche Occurrence

Sun Valley Heli Ski remotely triggered this avalanche from lower angled terrain 800-1000' away. The group felt a collapse that propagated across the bowl into steeper, wind-loaded terrain. Avalanche released on a 9400', E aspect in the Western Smokys. Photo courtesy of Sun Valley Heli Ski.

Observer:

Professional

Verified by SAC?

Yes

Occurrence Date:

Jan 1, 2021 (Exact)

Location:

Snowslide Drainage

# of Avys:

1

Aspect:

E

Start Zone Elev:

9450ft

Size:

D2 / R2

Type:

SS-Soft Slab

Trigger:

AS-Skier
r-Remote

Bed Surface:

O-Old Snow

Depth:

1.5ft (max: 4ft)

Width:

70ft

Start Zone Slope:

40°

Vertical Fall:

400ft

Weak Layer:

Dec 11, 2020 (FCsf)

Comments:

Snowslide - Lake Run cliffs

Sun Valley Heli Ski remotely triggered this avalanche from lower angled terrain 800-1000' away. The group felt a collapse that propagated across the bowl into steeper, wind-loaded terrain. Avalanche released on a 9400', E aspect in the Western Smokys. Photo courtesy of Sun Valley Heli Ski.

While skiing this run, Sun Valley Heli Ski remotely triggered the avalanche left of center in the photo. The group felt a collapse that propagated 800-1000' across the bowl into steeper, wind-loaded terrain. Avalanche released on a 9400', E aspect in the Western Smokys. Photo courtesy of Sun Valley Heli Ski.