Pro Field Report

Basic Information

Observation Details

Observation Date:
January 13, 2021
Submitted:
January 14, 2021
Observer:
SAC - Ben VandenBos
Zone or Region:
Sawtooth and Western Smoky Mtns
Location:
Stanley to Galena Summit Glassing

Signs of Unstable Snow

Recent Avalanches? 
Yes
Cracking? 
None Experienced
Collapsing? 
None Experienced

Bottom Line

A widespread natural avalanche cycle occurred in the Sawtooths and Western Smokys. Slides broke up to 1,000' wide.

Media/Attachments

This very large avalanche occurred on Cabin Peak, just north of the Alturas drainage, during the intense storm on 1/12-1/13.
This very large avalanche occurred in the Hellroaring drainage of the Sawtooth Mountains during the intense storm on 1/12-1/13.
This very large avalanche occurred on McGown Peak in the Sawtooth Mountains during the intense storm on 1/12-1/13.
This very large avalanche occurred in the Sawtooth Mountains during the intense storm on 1/12-1/13.

Advanced Information

Weather Summary

Strong to extreme winds blowing out of the NW-N-NE, moving snow in upper through lower elevation terrain.