Henderson Mountain
Cooke City
Code
HS-N-R4-D2-O
Elevation
10090
Aspect
NE
Latitude
45.05240
Longitude
-109.94500
Notes
From obs "We were ski touring on the SW side of Mt. Henderson today, and noticed a large (natural?) avalanche on the NE aspect of Henderson. First observed at around 1:15pm. It appeared to be very fresh, possibly from a remote trigger this morning.
2 photos attached. A NE aspect, around 10,000'.
It looked to be 4-6' deep and about 500' wide. And it failed on snow at/ near the ground."
From obs: "We popped over to the recent avalanche on the east side and got a crown profile. Avalanche is NE facing, 10090. HS-N-D2-R4-O
Crown is 105 cm deep, breaking on surface hoar. Details are in attached profile
Something noteworthy.. the slope angle at the crown is 30.1 degrees."
Number caught
0
Number buried
0
Avalanche Type
Hard slab avalanche
Trigger
Natural trigger
R size
4
D size
2
Bed Surface
O - Old snow
Problem Type
Persistent Weak Layer
Slab Thickness
60.0 inches
Slab Width
500.00ft
Weak Layer Grain type
Surface Hoar
Images
Snow Observation Source
Slab Thickness units
inches
Single / Multiple / Red Flag
Single Avalanche
Advisory Year