Heroes Knob - 1.5 slab avalanche
IncidentB Wolfe · Nov 16, 2020 · Spray - KLakes
Weather
- Avg Temp
- -5
- Wind Speed
- windSpeedModerate
- Sky Condition
- brokenClouds
- Wind Direction
- W
West wind at peaks (clouds moving east) but occasionally felt wind coming up the valley from the east. Light snow <0.5cm/hr
Avalanche
- Run Length
- 300
- Slab Width
- 75
- Trigger Type
- skier
- Avalanche Size
- 1.5
- Slab Thickness
- 30
- Trigger Sub Type
- accidental
- Start Zone Aspect
- NE
- Vegetation Cover
- openSlope
- Avalanche Character
- windSlab, stormSlab
- Crust Near Weak Layer
- 1
- Number Of Avalanches
- 1
- Start Zone Elevation Band
- alp
- Avalanche Occurrence Datetime
- 2020-11-16T12:00:00
15-30cm new storm &/or wind snow. Ski penetration 30cm. No cracks, whumpfs or active avalanches witnessed up to time of incident.
Incident
- Group Size
- 2
- Terrain Trap
- gullyDepression
- Group Activity
- skiing
- Number Injured
- 0
- Number Involved
- 1
- Number Caught Only
- 1
- Number Fully Buried
- 0
- Snow Depth Trigger Point
- variable
- Terrain Shape Trigger Point
- planar
- Number Partly Buried Able Breathing
- 0
Traversing <10m below cliff base avalanche triggered above skier breaking trail carrying him ~250m into a gully. No burial, no injury, self rescue.