23-24

The largest skier-triggered avalanche that we saw today. The crown extended out of frame below steep rocks. This avalanche broke ~1' deep within the recent storm snow. R2/D2. Photo: GNFAC

Bridger Range, 2024-04-07

Wet avalanches in Island Park

Arange Peak
Island Park
Code
WL-N
Latitude
44.52630
Longitude
-111.46500
Notes

From IG mesasge (4/6): "Some wet action at arange peak near Sawtell yesterday. From slope Dave and I did our first pit on Monday. Lots of release in that new old interface but didn’t see anything releasing down deeper."

Number caught
0
Number buried
0
Avalanche Type
Wet loose-snow avalanche
Trigger
Natural trigger
Problem Type
Wet Snow
Snow Observation Source
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Multiple Avalanches
Advisory Year

From IG mesasge (4/6): "Some wet action at arange peak near Sawtell yesterday. From slope Dave and I did our first pit on Monday. Lots of release in that new old interface but didn’t see anything releasing down deeper." Photo: Z. Bailey

Island Park, 2024-04-07

Rider Triggered Avalanche Hollywood Shoulder

Fairy Lake
Bridger Range
Code
SS-AM-R1-D1.5
Latitude
45.90430
Longitude
-110.95800
Notes

Riders on 04/07/2024 saw a human-triggered avalanche on the shoulder of Hollywood Bowl that was triggered by another party. 

Number of slides
1
Number caught
0
Number buried
0
Avalanche Type
Soft slab avalanche
Trigger
Snowmobile
R size
1
D size
1.5
Problem Type
New Snow
Snow Observation Source
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Single Avalanche
Advisory Year

Skier triggered avalanche Frazier Basin

Frazier Basin
Bridger Range
Code
SS-ASu-R2-D2
Latitude
45.92330
Longitude
-110.98000
Notes

From obs: "Skier triggered slide in one of the Love chutes dropping into Frazier basin. Skier attempted to ski cut the top of the chute, snow was not reactive. He began to ski the chute and triggered a wind slab about 18” deep which failed the crust from the recent warm stretch. Was carried about 200 feet and managed to self arrest on the side of the chute while the slide continued to the bottom. No serious injuries. "

Number of slides
1
Number caught
1
Number buried
0
Avalanche Type
Soft slab avalanche
Trigger
Skier
Trigger Modifier
u-An unintentional release
R size
2
D size
2
Problem Type
Wind-Drifted Snow
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Single Avalanche
Advisory Year