24-25

Snowboarder triggered wind slabs (2) near Cooke

Scotch Bonnet
Cooke City
Code
SS-AS-R1-D2-S
Elevation
9500
Aspect
SE
Latitude
45.07330
Longitude
-109.94800
Notes

We watched two snowboarders trigger separate wind slabs, while riding one at a time in avalanche terrain, on the south side of Scotch Bonnet (photos attached). They rode away safely. These looked 12" deep and 20' wide, and entrained snow to run a good distance, R1-D2.

 

Number of slides
2
Number caught
0
Number buried
0
Avalanche Type
Soft slab avalanche
Trigger
Skier
R size
1
D size
2
Bed Surface
S - Avalanche released within new snow
Problem Type
Wind Slab
Slab Thickness
12.0 inches
Vertical Fall
500ft
Slab Width
20.00ft
Snow Observation Source
Slab Thickness units
inches
Single / Multiple / Red Flag
Multiple Avalanches
Advisory Year

On Feb 9 we watched two snowboarders trigger separate wind slabs, while riding one at a time in avalanche terrain, on the south side of Scotch Bonnet. Photo: J. Mancey

 

Cooke City, 2025-02-10

Two Rider triggered slides in S. Madison

Date

From FB message: "Two snowmobiler triggered avalanches in Southern Madison. Riders did not have beacons or rescue equipment. Riders made it out safe luckily."

Region
Southern Madison

Small Avalanche Lionhead today

Date
Activity
Snowmobiling

We saw this today after it happened. Looked like a snowmobile triggered it. I believe it is mostly south facing. Thanks. 

Region
Lionhead Range
Observer Name
Derek Haluptzok