TL BTL steep trees
AvalancheJFP · Dec 25, 2020 · Retallack
Quick report
- Weather
- sunny, cold
- Ride Type
- steepSlopes, openTrees, mellowSlopes
- Stayed Away
- convexSlopes
- Riding Quality
- good
- Snow Conditions
- windAffected, powder
- Avalanche Conditions
- avalancheConditionSound
Lovely skiing in upper solar facing TL and BTL. Thin sun crust on surface already felt on descent. A significant (about 50m large at least) whumf on mellow upper TL open and wind affected ridge feature.
Weather
- Wind Speed
- windSpeedCalm
- Blowing Snow
- none
- Sky Condition
- brokenClouds
- Precipitation Type
- none
Snowpack
- Depth
- 180
- Obs Type
- point
- Site Aspect
- SE
- Test Fracture
- sudden
- Site Elevation
- 2240
- Ski Penetration
- 25
- Test Initiation
- moderate
- Foot Penetration
- 40
- Test Failure Depth
- 70
- Site Elevation Band
- tln
- Surface Conditions
- newSnow
- Whumpfing Observed
- 1
- Test Failure Layer Crystal Types
- crust
Pit at 2240m SE asp about 25deg, open TL near col. No wind affect. Large stellars on surface. F down to 18cm thin zipper crust there. 4F to 40cm where there is about an inch of graupels mixed with DF 1F to 70cm where 0.5cm thick clear glass like crust. FC sz 2 bellow that. Once isolated this layer under the crust produces CTM 11, 15 (SC) then 1F to P down to 115cm where Nov 5th crust found.
Avalanche
- Slab Width
- 70
- Trigger Type
- natural
- Wind Exposure
- crossLoadedSlope
- Avalanche Size
- 2
- Start Zone Aspect
- S
- Vegetation Cover
- openSlope
- Avalanche Character
- stormSlab
- Number Of Avalanches
- 2-5
- Start Zone Elevation
- 2400
- Runout Zone Elevation
- 2200
- Avalanche Observation
- 24to48hrsAgo
- Start Zone Elevation Band
- alp
- Avalanche Occurrence Datetime
- 2020-12-22T22:00:00
3x Na off Jardine South face. Sz 1 on the top ridge, healty sz 2 bellow on the main face and potentially Sy lower down on convex feature. Happened toward the end of last cycle. Also numerous Na size 1 - 2 off extreme ridgeline features realeased mid cycle.