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Dear Slabby
Location Name:
Big mtn
Observation date:
Monday, May 9, 2022 - 15:00
Is this an Avalanche Observation:
Yes
Observation made by:
Public
Tabs
Quick Observation
Snowpack, Avalanche, Weather Images:
Travel Details
Region:
Whitefish Range - Southern (south of Coal Creek)
Activity:
Skiing
Snowboarding
Snowpack Details
Snowpack and Weather Details:
Terrain
Elevation of observation:
3500-5000 ft
5000-6500 ft
Above 6500 ft
Aspect(s) of observation:
N
NE
Red Flags:
Avalanches from the past 2 days
Shooting cracks
Blowing snow
New Snow in the past 24 hours:
6.00in.
More comments about the snowpack and weather:
Remotely triggered pocket of wind slab from maybe 30 feet away.. inched across/down slope onto hang fire and got more of slope to release. Non wind loaded storm slabs on N face of Lodi ridge too where I’ve seen plenty of sluffing before but had never seen a slide until today..
Blowing Snow:
Light
Wind Speed:
Light (Twigs in motion)
Wind Direction:
South
Air temperature:
Below Freezing
Snow line:
5000
Sky Cover:
Obscured by fog, etc (X)
Highest Precipitation Rate:
Moderate Snowfall (S2)
Avalanche Details
Avalanche Details:
Date and Time of Avalanche:
Monday, May 9, 2022 - 11:00
Number of avalanches:
4
Avalanche Type:
Soft Slab
Failure Plane/Weak Layer:
Within storm snow
Trigger
Trigger:
skier
Trigger Modifier:
Remotely Triggered
Terrain
Aspect:
North
Starting Elevation:
above-treeline
Size
Destructive Size:
D1.5
Relative Size:
R2 Small
Crown Height:
1 ft
Avalanche Length (Vertical Run):
25ft.
Avalanche Width (Average width):
30ft.
Avalanche Location:
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