Northwest Avalanche Center

Observation: Public

All Observations

Observation Details

Name:
John M
Observation Date:
February 6, 2023
Submitted:
February 6, 2023
Zone or Region:
West South
Activity:
Skiing/Snowboarding
Location:
White Pass - Hogback Mountain

Triggered Avalanches

Did you trigger any avalanches? 
Yes
Was it intentional? 
Yes
Avalanche Type:
Soft Slab
Size:
Size 2: Could bury, injure, or kill a person
Elevation:
6300ft
Aspect:
E
Comments:
Trigger a windslab via ski cut. 6300ft, East aspect, obvious signs of wind loading. 6-10in crown. ~100ft wide. Propagated around terrain features and travelled to the bottom of the bowl.

Observed Avalanches

Did you observe any avalanches? 
Yes
Avalanche Type:
Soft Slab
Size:
Size 2: Could bury, injure, or kill a person
Elevation:
Aspect:
Comments:

Signs of Unstable Snow

Did you see shooting cracks? 
Yes, Widespread
Did you experience collapsing or whumpfing? 
No

Observations

Touring on Hogback Mountain out of White Pass I noticed widespread signs of reactive windslabs especially on North, Northeast, East, and Southeast aspects. Slabs seem to easily release on any slope over 32 degrees

Media

Public Field Report: White Pass - Hogback Mountain
Public Field Report: White Pass - Hogback Mountain
Public Field Report: White Pass - Hogback Mountain

Advanced Observations

Observed Avalanche Problem #1: 
Wind Slab
Comments: 
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