Two natural cornice fall triggered slides at Lionhead

Lionhead Ridge
Lionhead Range
Code
SS-NC-R2-D2-O
Elevation
9000
Aspect Range
NE-N
Latitude
44.71450
Longitude
-111.31800
Notes

We saw two natural avalanches on 3/19/22 appeared to be within 24-48 hours old and triggered by cornice falls that broke out a slab below. One on Northeast aspect at 8,800' on Lionhead Ridge, and one on North aspect at 10,000' behind Targhee Creek.

Number of slides
2
Number caught
0
Number buried
0
Avalanche Type
Soft slab avalanche
Trigger
Cornice fall
R size
2
D size
2
Bed Surface
O - Old snow
Problem Type
Persistent Weak Layer
Slab Thickness
12.0 inches
Vertical Fall
700ft
Slab Width
50.00ft
Images
Natural cornice fall triggered slide, Lionhead Ridge 2
Natural cornice fall triggered slide, Lionhead Ridge
Natural cornice fall triggered avalanche, Targhee Creek
Attached Videos
New snow on the way, more widespread instability, Lionhead - 19 Mar
Slab Thickness units
inches
Single / Multiple / Red Flag
Multiple Avalanches
Advisory Year
21-22