Avalanche Occurrence

Crown of a large avalanche that was triggered in the Alturas drainage on Saturday. The slide was released remotely from an adjacent ridge. Sawtooths & Western Smoky zone.

Observer:

Public

Verified by SAC?

No

Occurrence Date:

Jan 2, 2021 (Exact)

Location:

Above Alturas Lake

Comments:

Remotely triggered from an adjacent ridgeline. Click attachment link at botton to view video.

# of Avys:

1

Aspect:

NE

Start Zone Elev:

9500ft

Size:

D2.5

Type:

HS-Hard Slab

Trigger:

AS-Skier
r-Remote

Bed Surface:

O-Old Snow

Weak Layer:

Dec 11, 2020 (FCsf)

Comments:

Weak layer not confirmed but strongly suspected.

Crown of a large avalanche that was triggered in the Alturas drainage on Saturday. The slide was released remotely from an adjacent ridge. Sawtooths & Western Smoky zone.

This avalanche was remotely-triggered on Saturday from a low angle ridgeline adjacent to the slope. Alturas drainage, Sawtooth & Western Smokys zone.

View Attached Link