Natural wind slab above Teton Pass Ski Area

Location Name: 
Peak 8488’ main chute
Observation date: 
Wednesday, December 15, 2021 - 08:15
Is this an Avalanche Observation: 
Yes
Observation made by: Public

Location

Tabs

Quick Observation

Natural avalanche observed above the slopes of Teton Pass Ski Area. 16-20" of new snow had fallen in the previous 48hrs. Backcountry skiers who skied on nearby terrain reported slabby conditions on certain aspects. Crossloading from wind is suspected to be the trigger. 

Snowpack, Avalanche, Weather Images: 
Travel Details
Region: 
Outside of the Advisory Area
Snowpack Details
Snowpack and Weather Details: 
Hide Terrain
Elevation of observation: 
Above 6500 ft
Aspect(s) of observation: 
NE
Red Flags: 
More than a foot of new snow or heavy snowfall rates (>1"/hr)
Blowing snow
Avalanche Details
Avalanche Details: 
Date and Time of Avalanche: 
Tuesday, December 14, 2021 - 23:30
Number of avalanches: 
1
Avalanche Type: 
Hard Slab
Failure Plane/Weak Layer: 
New/old snow interface
Hide Trigger
Trigger: 
natural
Hide Terrain
Start Zone Slope Angle: 
35
Aspect: 
Northeast
Starting Elevation: 
above-treeline
Hide Size
Destructive Size: 
D1.5
Relative Size: 
R2 Small
Crown Height: 
1 ft
Avalanche Length (Vertical Run): 
1000ft.
Avalanche Location: