Persistent Slab in Skiumah
Location Name: Forecaster Observation - Skiumah Creek, Flathead Range Observation date: Saturday, March 16, 2019 - 13:45 |
Is this an Avalanche Observation: Yes |
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Observation made by: Forecaster
Location
Tabs
Avalanche Details:
Date and Time of Avalanche:
Wednesday, March 13, 2019 - 00:45
Avalanche Type:
Hard Slab
Failure Plane/Weak Layer:
Other - explain below
Trigger:
Believe it was initiated by ice fall
Start Zone Slope Angle:
38
Aspect:
North
Starting Elevation:
~7000'
Destructive Size:
D3 - Could destroy a car, a wood house, or snap trees
Relative Size:
R2 Small
Crown Height:
5 ft
Avalanche Length (Vertical Run):
2700ft.
Avalanche Width (Average width):
200ft.
Avalanche Location:
This Persistent Slab avalanche failed on the February 2 (Groundhog Day) crust.