Storm flop at Marion Lake
Location Name: Forecaster Observation - Marion Lake, Flathead Range Observation date: Friday, February 8, 2019 - 16:30 |
Is this an Avalanche Observation: Yes |
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Observation made by: Forecaster
Tabs
Avalanche Details:
Date and Time of Avalanche:
Friday, February 8, 2019 - 16:30
Avalanche Type:
Loose Dry/ Sluff
Failure Plane/Weak Layer:
Within storm snow
Trigger:
skier
Trigger Modifier:
Intentionally Triggered
Start Zone Slope Angle:
40
Destructive Size:
D1.5
Relative Size:
R2 Small
Crown Height:
Less than 1 ft
Avalanche Length (Vertical Run):
900ft.
Avalanche Width (Average width):
30ft.
N and S sides of Essex. Larger and deeper sluffs at upper elevations