Cayoosh area
Avalanchearranjcw · Feb 10, 2018 · Duffey
Quick report
- Weather
- cold
- Ride Type
- convexSlopes, steepSlopes, sunnySlopes, alpineSlopes, mellowSlopes
- Riding Quality
- good
- Snow Conditions
- powder, crusty, windAffected
Packed wind slab across the area in the alpine. The layer would often fail but not generally propagate - except steep northeast faces, where there were many natural avalanches.
Weather
- Sky Condition
- clear
- Precipitation Type
- none
Snowpack
- Obs Type
- summary
- Site Aspect
- NE, N
- Ski Penetration
- 15
- Test Initiation
- moderate
- Foot Penetration
- 40
- Test Failure Depth
- 15
- Site Elevation Band
- alp
- Surface Conditions
- variable
- Test Failure Layer Crystal Types
- crust
North east facing snow was forming shallow but decent slab avalanches. Most spots were consolidated wind slab that would fail but not propagate.
Avalanche
- Trigger Type
- natural
- Wind Exposure
- leeSlope
- Avalanche Size
- 2
- Start Zone Aspect
- NE
- Vegetation Cover
- openSlope
- Start Zone Incline
- 40
- Avalanche Character
- windSlab
- Crust Near Weak Layer
- 1
- Number Of Avalanches
- 6-10
- Start Zone Elevation
- 2400
- Avalanche Observation
- 24to48hrsAgo
- Start Zone Elevation Band
- alp
- Avalanche Occurrence Datetime
- 2018-02-10T12:00:00
Many naturally released slab avalanches over steep north east facing terrain. One very small human triggered release. Million dollar colouir (same aspect) slabbed on the above face and ran till the lake below - people were around but im unaware if they triggered it.