20-21
Hyalite
Date
Just a trace of new snow fell in Hyalite by 3 PM, but it looked like more in the upper bowls. Things have been quite stable above treeline but i suspect it isn’t going to take much new snow to change that.
Observer Name
Sam H
Full depth facet sluffs in S. Madison
SOUTHERN MADISON RANGE
Southern Madison
Code
L-ASc-R2-D1.5-G
Elevation
9000
Aspect
E
Latitude
44.98130
Longitude
-111.22100
Notes
From IG post: "Weak and thin snowpack. A little sluff was all it took to entrain the whole season’s snowpack. S. Madison ~9000’ east facing"
Number caught
0
Number buried
0
Avalanche Type
Loose-snow avalanche
Trigger
Skier
Trigger Modifier
c-A controlled or intentional release by the indicated trigger
R size
2
D size
1.5
Bed Surface
G - Ground
Problem Type
Persistent Weak Layer
Slab Thickness
10.0 inches
Slab Width
10.00ft
Slab Thickness units
inches
Single / Multiple / Red Flag
Single Avalanche
Advisory Year
From IG post: "Weak and thin snowpack. A little sluff was all it took to entrain the whole season’s snowpack. S. Madison ~9000’ east facing" Photo: @vt.to.mt
Avalanche Details: Full depth facet sluffs in S. Madison
Forecast link: GNFAC Avalanche Forecast for Sun Dec 13, 2020GNFAC Avalanche Forecast for Mon Dec 14, 2020
Southern Madison, 2020-12-11
Forecast link: GNFAC Avalanche Forecast for Sun Dec 13, 2020GNFAC Avalanche Forecast for Mon Dec 14, 2020
From IG post: "Weak and thin snowpack. A little sluff was all it took to entrain the whole season’s snowpack. S. Madison ~9000’ east facing" Photo: @vt.to.mt
Avalanche Details: Full depth facet sluffs in S. Madison
Forecast link: GNFAC Avalanche Forecast for Sat Dec 12, 2020
Southern Madison, 2020-12-11
Forecast link: GNFAC Avalanche Forecast for Sat Dec 12, 2020
Large surface hoar crystals growing in the Upper Taylor Fork drainage on 12/9/20.
Photo: E. Birkeland
Forecast link: GNFAC Avalanche Forecast for Sat Dec 12, 2020