Mt Blackmore
Northern Gallatin
Code
HS-NC-R3-D3.5-O
Elevation
9800
Aspect
N
Latitude
45.44440
Longitude
-111.00400
Notes
Large avalanche North face Mt Blackmore. Appeared to be potentially triggered by cornice fall from above. Crown propagated across majority of the bowl and was quite large in places.
From Obs: "Cornice fall triggered a big one. Looks to be real fresh. last night or this morning Broke across the whole bowl and up to 8 feet deep maybe more right in the middle. Broken trees in the debris, And ran out of sight."
Number caught
0
Number buried
0
Avalanche Type
Hard slab avalanche
Trigger
Cornice fall
R size
3
D size
3.5
Bed Surface
O - Old snow
Problem Type
Persistent Weak Layer
Slab Thickness
96.0 inches
Vertical Fall
1000ft
Slab Width
600.00ft
Images
Attached Videos
Snow Observation Source
Slab Thickness units
inches
Single / Multiple / Red Flag
Single Avalanche
Advisory Year