Boot deep is nice.
Location Name: Forecaster Observation - Flathead Range Observation date: Wednesday, February 16, 2022 - 17:30 |
Is this an Avalanche Observation: Yes |
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Observation made by: Forecaster
Tabs
Avalanche Details:
Date and Time of Avalanche:
Wednesday, February 16, 2022 - 06:00
Number of avalanches:
20
Avalanche Type:
Soft Slab
Failure Plane/Weak Layer:
Within storm snow
Trigger:
natural
Start Zone Slope Angle:
40
Aspect:
East
Starting Elevation:
above-treeline
Destructive Size:
D1.5
Relative Size:
R1 Very Small
Crown Height:
Less than 1 ft
Avalanche Length (Vertical Run):
200ft.
Avalanche Width (Average width):
50ft.
Avalanche Location:
Date and Time of Avalanche:
Wednesday, February 16, 2022 - 02:00
Number of avalanches:
2
Avalanche Type:
Wet Loose
Failure Plane/Weak Layer:
Within storm snow
Trigger:
unknown
Start Zone Slope Angle:
45
Aspect:
Southeast
Starting Elevation:
near-treeline
Destructive Size:
D1.5
Relative Size:
R2 Small
Avalanche Length (Vertical Run):
1000ft.
Avalanche Width (Average width):
50ft.
Avalanche Location:
Date and Time of Avalanche:
Thursday, February 10, 2022 - 12:00
Number of avalanches:
2
Avalanche Type:
Wet Loose
More information or comments about the avalanche:
Observed old debris piles that likely ran Feb 10th during other observed wet loose activity.
Start Zone Slope Angle:
40
Aspect:
Southeast
Starting Elevation:
near-treeline
Destructive Size:
D2 Could bury, injure, or kill a person.
Relative Size:
R2 Small
Avalanche Location:
Many slabs failed on east and southeast aspects. Observed a few on northwest as well.