Bow Peak
Avalanchecunningham.dylan · Jan 1, 2021 · West Side 93N
Weather
- Avg Temp
- -5
- Wind Speed
- windSpeedStrong
- Blowing Snow
- intense
- Sky Condition
- overcast
- Wind Direction
- SW
- New Snow24 Hours
- 1
- Precipitation Type
- snow
Blowing snow causing some spindrift at times. Most of the blowing snow getting blown beyond start zones or into atmosphere.
Snowpack
- Depth
- 145
- Obs Type
- point
- Site Aspect
- N
- Site Elevation
- 2150
- Ski Penetration
- 20
- Test Initiation
- none
- Foot Penetration
- 35
- Site Elevation Band
- alp
- Surface Conditions
- newSnow
No results in compression test, deep tap test, or shovel shear tests. No shears, layers, or significant resistance changes in the upper and mid snowpack. November crust is thin and decomposing down 105 (40cm off the ground). Column failed at or near the ground in facets with significant leverage on the column.
Avalanche
- Trigger Type
- skier
- Wind Exposure
- noWindExposure
- Avalanche Size
- 1
- Trigger Sub Type
- accidental
- Start Zone Aspect
- NE
- Avalanche Character
- persistentSlab
- Number Of Avalanches
- 2-5
- Start Zone Elevation
- 2100
- Weak Layer Crystal Type
- surfaceHoar
- Start Zone Elevation Band
- btl
- Avalanche Occurrence Datetime
- 2021-01-01T21:59:00
Accidentally triggered surface hoar on an unsupported pillow. Down 50cm. Not found as soon as we got into wind exposed areas. Old hard surface from sloughs running in a couloir was providing a good bed surface for thin slabs of new snow that were warming up with the day.