Northwest Avalanche Center

Observation: Public

All Observations

Observation Details

Name:
Kyle Gersman
Observation Date:
January 3, 2023
Submitted:
January 4, 2023
Zone or Region:
Mt Hood
Activity:
Skiing/Snowboarding
Location:
Tilly Jane

Signs of Unstable Snow

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

Observations

Widespread wind slabs were observed in the Tilly Jane area of Mt. Hood on Monday and Tuesday (1/2 & 1/3) in both the burn and alpine areas below the Elliot Glacier, all the way up to Cooper Spur (5000-7500ft), but not below treeline. The slabs were located on the leeward faces of ridge lines (North facing), where whumpfing and shooting cracks were abundant. Small slabs (1-1.5 in deep) easily released on test slopes by skiers.

Media

Widespread wind slabs were observed in the Tilly Jane area of Mt. Hood on Monday and Tuesday (1/2 & 1/3) on the leeward faces of ridge lines (North facing), where whumpfing and shooting cracks were abundant. Small slabs (1-1.5 in deep) easily released on test slopes by skiers.

Advanced Observations

Observed Avalanche Problem #1: 
Wind Slab
Comments: 
Widespread wind slabs were observed in the Tilly Jane area of Mt. Hood on Monday and Tuesday (1/2 & 1/3) in both the burn and alpine areas below the Elliot Glacier, all the way up to Cooper Spur (5000-7500ft), but not below treeline. The slabs were located on the leeward faces of ridge lines (North facing), where whumpfing and shooting cracks were abundant. Small slabs (1-1.5 in deep) easily released on test slopes by skiers.
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