Sawtooth Avalanche Center

Public Field Report

Observation Details

Observation Date:
December 11, 2022
Submitted:
December 12, 2022
Zone or Region:
Challis Area and Lost Rivers
Activity:
Skiing/Snowboarding
Location:
Trail cr.

Triggered Avalanches

Did you trigger any avalanches? 
Yes
Was it intentional? 
Yes
Avalanche Type:
Soft Slab
Size:
Size 3: Could bury and destroy a car, damage a truck, destroy a wood frame house, or break a few trees
Elevation:
Middle
Aspect:
N
Comments:
1-2' deep 300' wide 700' long. Storm slab

Signs of Unstable Snow

Did you see shooting cracks? 
Yes, Widespread
Did you experience collapsing or whumpfing? 
Yes, Widespread

Observations

Things slid that were unexpected. Used gentle terrain to minimize exposure and consequences of hazard.

Media

Public Field Report: Trail cr.
Public Field Report: Trail cr.
Public Field Report: Trail cr.

Advanced Observations

Observed Avalanche Problem #1: 
Persistent Slab
Comments: 
Steep, north facing slopes. touchy, several intentional remote triggered size 1-3. Several unintentional D-1
Observed Avalanche Problem #2: 

Comments: