2 wind slab avy on Anderson ridge

Location Name: 
East face mt lincoln
Region: 
Donner Summit Area
Observation Date & Time: 
Sunday, February 5, 2023 - 10:30
Location: 
39.288461, -120.321741
See map: CalTopo
Is this an Avalanche Observation?: 
Yes


Conditions Alerts:

  • Avalanche Activity
  • Recent Loading
  • Recent Loading›Blowing Snow

Terrain Alerts: 
Slopes Steeper than 30 degrees
Obvious Slide Path
Terrain Matches the Advisory
Observation made by: Public

Tabs

Observation
Description of Snow, Weather, and Avalanche Conditions: 

Slides both propagated from safe ski zones.

Hide Avalanche Details
Avalanche Type: 
Wind Slab
Failure Plane/Weak Layer: 
New/old snow interface
Hide Trigger
Trigger: 
Snowboarder
Trigger Modifier: 
Accidentally Triggered
Hide Terrain
Start Zone Slope Angle: 
35degrees
Aspect: 
East
Starting Elevation: 
near-treeline
Hide Size
Destructive Size: 
D1 Relatively harmless to people.
Relative Size: 
R3 Medium
Crown Height: 
1 ft
Avalanche Width (Average width): 
75ft.
Avalanche Length (Vertical Run): 
100ft.
Hide People Involved
Number of people caught: 
0
Number of partial burials: 
0
Number of full burials: 
0
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