24-25

Dry Loose Storm Slabs

Date
Activity
Skiing

Skied the north chutes above fairy lake around 8,400 ft. Found 8-12" of new snow, with the bottom 2" consisting of large graupel. In steep terrain our sluff entrained lots of snow making for some large debris piles. Overall the snow was generally well bonded.

Region
Bridger Range
Location (from list)
Fairy Lake
Observer Name
Spencer Lipsteuer

Broke a small wind slab on Sluice Box

Date
Activity
Skiing

A small wind slab broke as I was skiing down Sluice Box near the weather station on Bridger Ridge. Crown was about 8 feet wide and the slide path looked to be about 60 feet. I was out of its way and unharmed, gave me a pretty good scare though! 

Region
Bridger Range
Location (from list)
Bridger Bowl Weather Station - The Ridge
Observer Name
Karl

Storm snow avalanches on Throne

The Throne
Bridger Range
Code
AS
Elevation
8300
Aspect
N
Aspect Range
N, SE
Latitude
45.88220
Longitude
-110.95200
Notes

The skiing was good and non reactive on the main East face next to the skin track. The North gullies into Naya Nuki creek and the the lower/steeper gullies to the south were highly reactive and entraining lots of snow.

Number of slides
2
Number caught
0
Number buried
0
Trigger
Skier
Problem Type
New Snow
Snow Observation Source
Good skiing, but...
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Multiple Avalanches
Advisory Year
24-25

Small wind slabs in Bridgers, Ross Peak

Ross Peak
Bridger Range
Code
SS-AS-R1-D1-S
Elevation
8500
Aspect
NE
Latitude
45.85860
Longitude
-110.95600
Notes

Skied the Banana today with 8-12” of new snow that has mostly bonded. The snowpack below the new snow had froze over night and was well consolidated. 

Observed a layer of graupel (3-4mm grains) at the new/old interface on the NE ramp starting at 8600’ and clearing up after 8700’.  This layer created some reactivity in the storm snow.
Wind slabs <6” had formed on N and NE aspects. We had one small release in the bottom of the couloir measuring ~10x20’ and running ~50’.

Number of slides
1
Number caught
0
Number buried
0
Avalanche Type
Soft slab avalanche
Trigger
Skier
R size
1
D size
1
Bed Surface
S - Avalanche released within new snow
Problem Type
Wind Slab
Slab Thickness
6.0 inches
Vertical Fall
50ft
Slab Width
15.00ft
Snow Observation Source
Small wind slabs and good skiing
Slab Thickness units
inches
Single / Multiple / Red Flag
Single Avalanche
Advisory Year
24-25

Good skiing, but...

Date
Activity
Skiing

The skiing was good and non reactive on the main East face next to the skin track. The North gullies into Naya Nuki creek and the the lower/steeper gullies to the south were highly reactive and entraining lots of snow.

Region
Bridger Range
Location (from list)
The Throne
Observer Name
Bob

Hot and wet

Date
Activity
Snowboarding
Region
Northern Gallatin
Location (from list)
Beehive Basin
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