More avalanches in JFS Canyon

Location Name: 
BNSF Avalanche Safety - JFS Canyon
Observation date: 
Tuesday, February 9, 2021 - 22:15
Is this an Avalanche Observation: 
Yes
Observation made by: Public

Tabs

Quick Observation
  • Better visibility today allowed for views of the Program Area and surrounding terrain. Large crown observed on easterly aspect of Running Rabbit Mtn-Grizzly Gulch. Also another crown observed on a SW aspect of Running Rabbit in a path known as Goat Lick. More details under Avalanche Tab.
  • Some minor (D1) dry loose sluffing on steep sunny slopes this afternoon.
Snowpack, Avalanche, Weather Images: 
Travel Details
Region: 
Flathead Range/Glacier National Park - John F. Stevens Canyon
Activity: 
Other
Avalanche Details
Avalanche Details: 
Date and Time of Avalanche: 
Sunday, February 7, 2021 - 02:15
Number of avalanches: 
1
Avalanche Type: 
Soft Slab
Failure Plane/Weak Layer: 
Old snow
More information or comments about the avalanche: 

Details are best estimates. Likley ran during the Feb 6/7 storm. Suspect buried surface hoar as failure layer.

Hide Trigger
Trigger: 
natural
Hide Terrain
Aspect: 
East
Starting Elevation: 
6700
Hide Size
Destructive Size: 
D2.5
Relative Size: 
R4 Large
Crown Height: 
3 ft
Avalanche Length (Vertical Run): 
1000ft.
Avalanche Width (Average width): 
600ft.
Avalanche Location: 
Date and Time of Avalanche: 
Sunday, February 7, 2021 - 02:15
Number of avalanches: 
1
Avalanche Type: 
Soft Slab
Failure Plane/Weak Layer: 
Old snow
More information or comments about the avalanche: 

Didn't get a very good view of this avalanche. More uncertainty/unknowns. Looked to be about D2 size. Likley ran some time during the Feb 6/7 storm.

Hide Trigger
Trigger: 
natural
Hide Terrain
Aspect: 
Southwest
Starting Elevation: 
above-treeline
Hide Size
Destructive Size: 
D2 Could bury, injure, or kill a person.
Relative Size: 
R1 Very Small
Crown Height: 
3 ft
Avalanche Location: