Sluff the magic dragon in the Park
Location Name: Glacier National Park Observation date: Friday, March 16, 2018 - 19:30 |
Is this an Avalanche Observation: Yes |
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Observation made by: Public
Location
Tabs
Avalanche Details:
Date and Time of Avalanche:
Friday, March 16, 2018 - 12:30
Avalanche Type:
Wet Loose
Failure Plane/Weak Layer:
New/old snow interface
Trigger:
natural
Destructive Size:
D1.5
Relative Size:
R1 Very Small
Crown Height:
Less than 1 ft
Date and Time of Avalanche:
Thursday, March 15, 2018 - 18:45
Avalanche Type:
Soft Slab
Failure Plane/Weak Layer:
New/old snow interface
More information or comments about the avalanche:
Storm slabs on various aspects (W, S, SE), up to D1.5, all above 5,000'
Trigger:
natural
Destructive Size:
D1 Relatively harmless to people.
Relative Size:
R1 Very Small
Crown Height:
Less than 1 ft
Date and Time of Avalanche:
Thursday, February 8, 2018 - 20:00
Avalanche Type:
Hard Slab
Failure Plane/Weak Layer:
Old snow
More information or comments about the avalanche:
Deep slab on Mt. Jackson. Likely ran in early February.
Trigger:
natural
Aspect:
Northwest
Starting Elevation:
above-treeline
Destructive Size:
D3 - Could destroy a car, a wood house, or snap trees
Relative Size:
R3 Medium
Wet loose cycle; we observed SE to W aspects run at mid and upper elevations.. Mostly D1 to 1.5. A couple of D2s.