Cooke City

Henderson Avalanche - High Res Images

Date
Activity
Snowmobiling

Pictures of an avalanche on Henderson Mountain just south of Lulu Pass taken on 3.3.24 (avalanche ocurred on 3.2.24).

Just wanted to pass along some high-resolution images in case they are helpful for future education.

Thanks for all you do!

-Alyssa Barrett

Region
Cooke City
Location (from list)
Henderson Mountain
Observer Name
Alyssa Barrett

Large natural avalanche on Mt. Abundance, Cooke

Mount Abundance
Cooke City
Code
Latitude
45.07730
Longitude
-110.02100
Notes

Observation cam from IG.

Number of slides
1
Number caught
0
Number buried
0
Images
Large natural avalanche on Mt. Abundance, Cooke
Snow Observation Source
Large natural avalanche on Mt. Abundance, Cooke
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Single Avalanche
Advisory Year
23-24

Natural Avalanche on the N face of Republic Mountain

Republic Mountain
Cooke City
Code
HS-N-R3-D3-O
Aspect
N
Latitude
45.00030
Longitude
-109.95400
Notes

On the morning of 03/06/2024 from the town of Cooke City a very large avalanche was seen on the N shoulder of republic mountain. Many other avalanches were triggered at the same time along the N face. 

Number caught
0
Number buried
0
Avalanche Type
Hard slab avalanche
Trigger
Natural trigger
R size
3
D size
3
Bed Surface
O - Old snow
Problem Type
Persistent Weak Layer
Images
Natural avalanche north face of republic mountain, 2
Natural avalanche north face of republic mountain, 1
Attached Videos
Natural avalanche on live camera(short), Cooke City - 6 March 2024
Natural avalanche live on camera, Cooke City - 6 Mar 2024
Snow Observation Source
Cooke City, natural avalanche activity
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Multiple Avalanches
Advisory Year
23-24

Natural Avalanche E Republic Mountain

Republic Mountain
Cooke City
Code
HS-N-R2-D2-O
Elevation
8800
Aspect
E
Latitude
45.00030
Longitude
-109.95400
Notes

From obs: "East face of Republic Mountain above Erma Mine Cabins. 8800 ft natural avalanche just below the ridge. 3-4 foot crown, Apx 100’ across, ran approximately 1000 feet down the creek bed. Appeared to be from earlier in the morning possibly when the avalanche slid off the north face of Republic, as it had a light dusting of snow over the debris. This start zone was just over the ridge from the North facing 9:14 am avalanche but I don’t think the start zones were connected."

Number of slides
1
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 Weak Layer
Slab Thickness
36.0 inches
Slab Width
99.95ft
Images
East face of Republic Mountain above Erma Mine Cabins, 3
East face of Republic Mountain above Erma Mine Cabins, 2
East face of Republic Mountain above Erma Mine Cabins
Snow Observation Source
Natural Avalanche in Cooke City
Slab Thickness units
inches
Single / Multiple / Red Flag
Single Avalanche
Advisory Year
23-24
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