Cornice fall triggered soft slab slab in Spanish Peaks

Yellow Mountain
Northern Madison
Code
SS-NC-R3-D2
Elevation
9300
Aspect
S
Latitude
45.29950
Longitude
-111.32000
Notes

Cornice fall triggered a soft slab avalanche in the Spanish Peaks on the afternoon of 2/13/2020.

From email: "100 feet wide, slid the new snow layer maybe 2-3 feet deep, made a pretty good runnel, and went close to full path , so it must have entrained a decent amount of snow to travel that far .."

Number of slides
1
Number caught
0
Number buried
0
Avalanche Type
Soft slab avalanche
Trigger
Cornice fall
R size
3
D size
2
Problem Type
New Snow
Vertical Fall
2000ft
Slab Width
100.00ft
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Single Avalanche
Advisory Year