Windy Crack
AvalancheShank · Mar 18, 2023 · Clemina
Quick report
- Weather
- sunny
- Ride Type
- sunnySlopes, alpineSlopes, mellowSlopes, cutBlocks
- Stayed Away
- steepSlopes, convexSlopes
- Riding Quality
- ok
- Snow Conditions
- hard, powder
- Avalanche Conditions
- avalancheConditionSlab
Weather
- Wind Speed
- windSpeedLight
- Blowing Snow
- none
- Sky Condition
- clear
- Wind Direction
- E
- Storm Start Date
- 2023-03-11
- Temperature Trend
- steady
- Precipitation Type
- none
Snowpack
- Depth
- 270
- Obs Type
- point
- Site Aspect
- W
- Test Fracture
- sudden
- Site Elevation
- 2110
- Test Initiation
- hard
- Test Failure Depth
- 25
- Site Elevation Band
- alp
- Surface Conditions
- surfaceHoar
- Test Failure Layer Crystal Types
- surfaceHoar
Completed column test at 1021 hrs on a westerly aspect at 2210m at 23 degrees and produced a sudden collapse down 25cm on a surface hoar layer. Suspected to be March 11th surface hoar. Test results repeated both hard. Extended column test produced no results.
Avalanche
- Trigger Type
- natural
- Wind Exposure
- leeSlope
- Avalanche Size
- 2.5
- Start Zone Aspect
- E
- Vegetation Cover
- openSlope
- Start Zone Incline
- 60
- Avalanche Character
- windSlab, looseDry
- Number Of Avalanches
- 1
- Start Zone Elevation
- 2350
- Start Zone Elevation Band
- alp
- Avalanche Occurrence Datetime
- 2023-03-19T18:30:00.000Z
Witnessed a size 2 - 2.5 avalanche across the valley on an easterly aspect. Looked to be a natural trigger from snow or cornice falling on a lee slope of 60 degrees or more. Dry and loose characteristics were noticed and was able to see crown.