Bridger Range

Skinner triggered slide north of the hourglass. Run name unknown. Remotely triggered from ridge line; snowboarder said he was skinning 35 feet away from trigger point; no one buried. I also observed point releases as I was skinning up to texas meadows; snow seemed to change quickly under blue skies and increasing temperature. Slide ran in front of me, taking out the skin track. 

Bridger Range, 2023-04-06

Skier remote trigger in Wolverine Bowl

Wolverine Bowl
Bridger Range
Code
SS-AS-R2-D1.5
Elevation
8000
Aspect
SE
Latitude
45.83010
Longitude
-110.93400
Notes

Skinner triggered slide north of the hourglass. Run name unknown. Remotely triggered from ridge line; snowboarder said he was skinning 35 feet away from trigger point; no one buried. I also observed point releases as I was skinning up to texas meadows; snow seemed to change quickly under blue skies and increasing temperature. Slide ran in front of me, taking out the skin track

Number of slides
1
Number caught
0
Number buried
0
Avalanche Type
Soft slab avalanche
Trigger
Skier
R size
2
D size
1.5
Problem Type
Persistent Weak Layer
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Single Avalanche
Advisory Year

Skinner triggered slide north of the hourglass. Run name unknown. Remotely triggered from ridge line; snowboarder said he was skinning 35 feet away from trigger point; no one buried. I also observed point releases as I was skinning up to texas meadows; snow seemed to change quickly under blue skies and increasing temperature. Slide ran in front of me, taking out the skin track. 

Bridger Range, 2023-04-06

Skier remotely triggered slide in Wolverine Bowl

Date
Activity
Skiing

Skinner triggered slide north of the hourglass. Run name unknown. Remotely triggered from ridge line; snowboarder said he was skinning 35 feet away from trigger point; no one buried. I also observed point releases as I was skinning up to texas meadows; snow seemed to change quickly under blue skies and increasing temperature. Slide ran in front of me, taking out the skin track. 

Region
Bridger Range
Location (from list)
Wolverine Bowl
Observer Name
Ryan

Human-triggered avalanche, Frazier basin

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

From Obs: "My ski partner and I toured into Frazier Basin on Saturday, April 1st. We observed obvious signs of wind loading as we made our way up from Fairy Lake to the Frazier ridge. We found a crust layer a few centimeters thick that was widespread throughout the basin. The crust was not shooting cracks as we moved but hand pits showed that it was cohesive and easily breaking on the soft snow below. My ski Partner popped off a small wind slab that had enough energy to knock him off his feet. This was the only slab we found that moved after skiing three lines on different aspects. The wind slab that broke was just below a ridge in a bowl feature that probably experienced more wind loading than most other areas in the basin. We also observed an old avalanche at the end of the basin possibly from a cornice fall that ran the whole length of the slope down to the trees in the center of Frazier Basin. Overall it was not feeling like a spring snowpack and you should continue to be skeptical of multiple layers in the Bridgers."

Number of slides
1
Number caught
1
Number buried
0
Trigger
Skier
Trigger Modifier
u-An unintentional release
Problem Type
Wind-Drifted Snow
Snow Observation Source
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Single Avalanche
Advisory Year

Natural avalanche Naya Nuki

Naya Nuki Bowl
Bridger Range
Code
N-R2-D2
Elevation
9000
Aspect
E
Latitude
45.88830
Longitude
-110.95900
Notes

A group of skiers saw a natural avalanche on an east, facing slope off of Naya Nuki Mountain in the Bridger range. It likely avalanched early in the morning on April 2.

Number of slides
1
Number caught
0
Number buried
0
Trigger
Natural trigger
R size
2
D size
2
Problem Type
Wind-Drifted Snow
Slab Thickness
42.0 inches
Snow Observation Source
Slab Thickness units
inches
Single / Multiple / Red Flag
Single Avalanche
Advisory Year

Natural Avalanches near Battle Ridge

Battle Ridge
Bridger Range
Code
N-R2-D2
Latitude
45.88250
Longitude
-110.88200
Notes

From IG: A group of writers reported seeing three new natural avalanches on April 1. 

Number of slides
1
Number caught
0
Number buried
0
Trigger
Natural trigger
R size
2
D size
2
Problem Type
Wind-Drifted Snow
Snow Observation Source
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Single Avalanche
Advisory Year