Island Park
New snow over Melt Freeze Crust Layer
Date
Activity
Snowmobiling
Felt 2x collapsing or wompfing of the snow in the Two Top area, observed wind scoured terrain with wind slab deposits on the N, NE, E, and SE slopes. Storm Slab of 6-8" over melt freeze cust. Shooting cracks in front of skis. Light snowfall during the day, overcast skies, and light winds.
Region
Island Park
Location (from list)
Two Top
Observer Name
Ride Rasmussen Style
Blue Creek snowpack
Date
Activity
Snowmobiling
ECTP 15 75cm up from ground. HS90-110 9000ft SE aspect. Down 1000 feet similar aspect we also got propagation up 23cm with a HS of 55cm. Photo from the 9000ft pit.
Region
Island Park
Location (from list)
CENTENNIAL RANGE
Observer Name
zach bailey
Plumes of drifting snow in the Bridger Range as strong winds blasted the mountains. Photo: GNFAC
Widespread weak layer Island Park
Rock Creek Basin
Island Park
Code
SS-NC-R2-D1-O
Elevation
9200
Aspect
NE
Latitude
44.56570
Longitude
-111.48100
Number caught
0
Number buried
0
Avalanche Type
Soft slab avalanche
Trigger
Cornice fall
R size
2
D size
1
Bed Surface
O - Old snow
Problem Type
Persistent Slab
Vertical Fall
250ft
Slab Width
100.00ft
Images
Snow Observation Source
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Single Avalanche
Advisory Year
Rock Creek natural avalanche
Avalanche Details: Widespread weak layer Island Park
Island Park, 2024-12-17