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Professional Observation

       

Basic Information

Observation Details

Observation Date:
January 6, 2023
Submitted:
January 6, 2023
Observer:
Steve Mace | ESAC Forecaster
Zone or Region:
Mammoth Lakes
Location:
Natural Avalanche activity- Mammoth to Mcgee

Signs of Unstable Snow

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

Advanced Information

Avalanche Observations

 #  Date Location Size Type Bed Sfc Depth Trigger Comments Photo
1 Past 24 hours Mendenhall couloir
E 11700 		D3 HS G-Ground UNk N-Natural This very large avalanche appeared to run on the ground. Assuming this ran naturally during the 1/5 storm event.
1 Past 24 hours Shoulder of Laurel
E 1800 		D2 HS N-Natural Likely a wind slab
1 Past 24 hours Valentine Cirque
NE 10300 		D2 HS N-Natural Likely wind slab
1 Past 24 hours Punta Bardini
SE 9200 		D2 HS N-Natural Likely wind slab
1 Past 24 hours Main avy path
NE 10000 		D2 HS N-Natural Likely wind slab,
1 Past 24 hours Mammoth rock Bowl
NE 10000 		D2 HS N-Natural Likely wind slab
1 Past 24 hours Poop Chute
NE 9000 		D1.5 SS N-Natural Likely Wind slab, assuming Natural trigger
1 Past 24 hours McGee
E 10500 		D3 HS Likely wind slabs two avalanches, one (lookers right) D2 and the other (lookers left) D3.
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