Signs of avalanche activity and unstable snow conditions above 9000ft

Location Name: 
Mount Price
Region: 
Desolation Wilderness Area (including Emerald Bay)
Date and time of avalanche (best estimate if unknown): 
Sun, 12/10/2017 - 11:35
Location Map: 
United States
38° 51' 52.2216" N, 120° 10' 41.3616" W
See map: Google Maps
US


Red Flags: 
Recent avalanche activity
Whumphing noises, shooting cracks, or collapsing
Recent loading by new snow, wind, or rain
Terrain Trap
Observation made by: Public
Avalanche Observations
Avalanche Type: 
Slab
Loose/Point-Release
Slope: 
35degrees
Trigger type: 
Unknown
Terrain: 
Above Treeline
Elevation: 
9 800ft.