4-6'+ deep Persistent slabs (2) on Henderson Mtn.

Henderson Mountain
Cooke City
Code
HS-N-R2-D2-O
Elevation
9900
Aspect
NE
Latitude
45.05240
Longitude
-109.94500
Notes

We looked at two 4-6' deep persistent slab avalanches that were reported yesterday on the east side of Henderson Mtn., which likely happened yesterday. Wind-loading was the likely trigger. There were not tracks near the larger one above the bench, where riders could easily get to, but they could have been filled in. The other slide was below the highest point below a cornice and likely natural. Both looked like they broke on facets at the bottom of the snowpack.

Number of slides
2
Number caught
0
Number buried
0
Avalanche Type
Hard slab avalanche
Trigger
Natural trigger
R size
2
D size
2
Bed Surface
O - Old snow
Problem Type
Persistent Slab
Slab Thickness
60.0 inches
Vertical Fall
300ft
Slab Width
300.00ft
Slab Thickness units
inches
Single / Multiple / Red Flag
Multiple Avalanches
Advisory Year