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Location Name: Northern Whitefish Range Observation date: Tuesday, January 5, 2021 - 17:45 |
Is this an Avalanche Observation: Yes |
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Observation made by: Professional Observer
Tabs
Avalanche Details:
Date and Time of Avalanche:
Tuesday, January 5, 2021 - 13:30
Number of avalanches:
1
Avalanche Type:
Soft Slab
Failure Plane/Weak Layer:
New/old snow interface
More information or comments about the avalanche:
Trigger:
snowboarder
Trigger Modifier:
Intentionally Triggered
Start Zone Slope Angle:
35
Aspect:
Northwest
Starting Elevation:
near-treeline
Destructive Size:
D1 Relatively harmless to people.
Relative Size:
R1 Very Small
Crown Height:
Less than 1 ft
Avalanche Length (Vertical Run):
50ft.
Avalanche Width (Average width):
25ft.
Avalanche Location:
Date and Time of Avalanche:
Sunday, January 3, 2021 - 10:00
Number of avalanches:
1
Avalanche Type:
Hard Slab
Failure Plane/Weak Layer:
Old snow
More information or comments about the avalanche:
Trigger:
natural
Start Zone Slope Angle:
40
Aspect:
Southeast
Starting Elevation:
near-treeline
Destructive Size:
D1.5
Relative Size:
R2 Small
Crown Height:
2 ft
Avalanche Length (Vertical Run):
200ft.
Avalanche Width (Average width):
60ft.
Avalanche Location:
Date and Time of Avalanche:
Wednesday, December 30, 2020 - 12:00
Number of avalanches:
1
Avalanche Type:
Hard Slab
Failure Plane/Weak Layer:
Old snow
More information or comments about the avalanche:
Trigger:
natural
Start Zone Slope Angle:
35
Aspect:
East
Starting Elevation:
near-treeline
Destructive Size:
D1.5
Relative Size:
R2 Small
Crown Height:
2 ft
Avalanche Length (Vertical Run):
150ft.
Avalanche Width (Average width):
80ft.
Avalanche Location: