Loose wet and persistent slab activity

Location Name: 
JFS Canyon and Essex area, Flathead Range
Observation date: 
Wednesday, April 11, 2018 - 14:00
Is this an Avalanche Observation: 
Yes
Observation made by: Professional Observer

Tabs

Quick Observation

Pic 1 - Essex Mountain, Pic 2 - Java Mountain, Pic 3 & 4 - Larry slide path on south side of highway 2 in JFS Canyon, Pic 5 - Curly slide path adjacent to Larry slide path, & Pic 6 - Infinity slide path in JFS Canyon.

Snowpack, Avalanche, Weather Images: 
Travel Details
Region: 
Flathead Range/Glacier National Park - John F. Stevens Canyon
Avalanche Details
Avalanche Details: 
Date and Time of Avalanche: 
Wednesday, April 11, 2018 - 01:00
Avalanche Type: 
Soft Slab
Failure Plane/Weak Layer: 
Old snow
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Trigger: 
natural
Hide Terrain
Starting Elevation: 
above-treeline
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Destructive Size: 
D2 Could bury, injure, or kill a person.
Avalanche Location: 
Date and Time of Avalanche: 
Wednesday, April 11, 2018 - 14:00
Avalanche Type: 
Wet Loose
Failure Plane/Weak Layer: 
Within storm snow
Hide Trigger
Trigger: 
natural
Hide Terrain
Starting Elevation: 
near-treeline
Hide Size
Destructive Size: 
D2 Could bury, injure, or kill a person.
Avalanche Location: