Clean up on aisle hyalite! Couple small wet slides between the retaining wall and practice rock, big enough to reduce the road to one lane. Photo: K. Marvinney
Avalanche Details: Wet Snow Avalanches Hit Hyalite Road
Northern Gallatin, 2025-02-24
24-25
Wet Snow Avalanches Hit Hyalite Road
Date
From Text message: “Clean up on aisle hyalite! Couple small wet slides between the retaining wall and practice rock, big enough to reduce the road to one lane.”
Region
Northern Gallatin
Location (from list)
Hyalite - main fork
Observer Name
Kyle Marvinney
Snowmobile Triggered Avalanche Near Lulu Pass
Lulu Pass
Cooke City
Code
SS-AMu-R1-D1-I
Elevation
9700
Aspect
E
Latitude
45.06820
Longitude
-109.95700
Notes
Observed a snowmobile triggered avalanche today. East facing slope, approx 9700', between Fischer Peak and LuLu pass. Rider was not caught. HS-AMu-D1-R1-I. Observed lots of wind transport and loading from strong w/sw winds today.
Number caught
0
Number buried
0
Avalanche Type
Soft slab avalanche
Trigger
Snowmobile
Trigger Modifier
u-An unintentional release
R size
1
D size
1
Bed Surface
I - Interface between new and old snow
Problem Type
Wind Slab
Images
Snow Observation Source
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Single Avalanche
Advisory Year
A rider triggered a small avalanche near Lulu Pass. No one was caught in the slide. Photo: N. Gaddy
Avalanche Details: Snowmobile Triggered Avalanche Near Lulu Pass
Forecast link: GNFAC Avalanche Forecast for Tue Feb 25, 2025
Cooke City, 2025-02-24
Forecast link: GNFAC Avalanche Forecast for Tue Feb 25, 2025
A rider triggered a small avalanche near Lulu Pass. No one was caught in the slide. Photo: N. Gaddy
Avalanche Details: Snowmobile Triggered Avalanche Near Lulu Pass
Cooke City, 2025-02-24
Rider-Triggered Wind Slab
Buck Ridge
Northern Madison
Code
SS-AMu-R2-D2
Latitude
45.17190
Longitude
-111.38000
Notes
From IG Message/ Stories: “Took a short ride with the recent storm slab yesterday. A good reminder to keep only one rider exposed at a time, and to be ready for anything. Stay safe out there.”
Number caught
0
Number buried
0
Avalanche Type
Soft slab avalanche
Trigger
Snowmobile
Trigger Modifier
u-An unintentional release
R size
2
D size
2
Slab Thickness
6.0 inches
Snow Observation Source
Slab Thickness units
inches
Single / Multiple / Red Flag
Single Avalanche
Advisory Year
A rider took a short ride in a wind slab Avalanche. Anonymous
Avalanche Details: Rider-Triggered Wind Slab
Forecast link: GNFAC Avalanche Forecast for Tue Feb 25, 2025
No Region, 2025-02-24
Forecast link: GNFAC Avalanche Forecast for Tue Feb 25, 2025
A rider took a short ride in a wind slab Avalanche. Anonymous
Avalanche Details: Rider-Triggered Wind Slab
No Region, 2025-02-24
Rider-Triggered Wind Slab
Date
Activity
Snowmobiling
From IG Message/ Stories: “Took a short ride with the recent storm slab yesterday. A good reminder to keep only one rider exposed at a time, and to be ready for anything. Stay safe out there.”