Ashman Accidental

Avalanche

Bryan Mitchell · Mar 14, 2020 · Microwave-Sinclair

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Avalanche

Run Length
100
Slab Width
12
Trigger Type
skier
Avalanche Size
2
Slab Thickness
45
Trigger Sub Type
accidental
Start Zone Aspect
NW
Start Zone Incline
40
Avalanche Character
persistentSlab
Number Of Avalanches
1
Start Zone Elevation
1200
Runout Zone Elevation
1130
Weak Layer Burial Date
2020-03-01T08:00:00.000Z
Avalanche Observation
24to48hrsAgo
Weak Layer Crystal Type
surfaceHoar
Start Zone Elevation Band
btl
Avalanche Occurrence Datetime
2020-03-14T14:30:00

Skier triggered persistent slab when stopping at the top of a Steep (>40 degrees) partially treed slope well below treeline.Soft slab (4 fingers) propagated 12m to trees on either side, and ran 100m before stopping on a bench below. Bed surface was surface hoar (6mm), 40cm down (March 1st).