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Avalanche at Marion Lake
Location Name:
Marion Lake
Observation date:
Monday, January 7, 2019 - 13:30
Is this an Avalanche Observation:
Yes
Observation made by:
Public
Location
Tabs
Quick Observation
Snowpack, Avalanche, Weather Images:
Travel Details
Region:
Flathead Range - Middle Fork Corridor
Activity:
Skiing
Snowpack Details
Snowpack and Weather Details:
Terrain
Elevation of observation:
5000-6500 ft
Aspect(s) of observation:
S
Red Flags:
Blowing snow
New Snow in the past 24 hours:
10.00in.
Blowing Snow:
Moderate
Sky Cover:
Overcast (OVC)
Highest Precipitation Rate:
Heavy Snowfall (S5)
Avalanche Details
Avalanche Details:
Date and Time of Avalanche:
Monday, January 7, 2019 - 13:30
Avalanche Type:
Loose Dry/ Sluff
Failure Plane/Weak Layer:
Within storm snow
Trigger
Trigger:
skier
Trigger Modifier:
Accidentally Triggered
Terrain
Aspect:
South
Starting Elevation:
near-treeline
Size
Destructive Size:
D1.5
Crown Height:
1 ft
Avalanche Length (Vertical Run):
100ft.
Avalanche Width (Average width):
50ft.
