Observer Name
        T Diegel, L Dunn, A Patterson
  
      Observation Date
        Thursday, February 15, 2024
  
      Avalanche Date
        Thursday, February 15, 2024
  
      Region
        Salt Lake » Big Cottonwood Canyon » Mineral Fork
  
      Location Name or Route
        Mineral Fork 
  
      Elevation
            9,000'
  
      Aspect
        North
  
      Slope Angle
            Unknown
  
      Trigger
        Unknown
  
      Avalanche Type
        Soft Slab
  
      Avalanche Problem
        Wind Drifted Snow
  
      Weak Layer
        New Snow
  
      Depth
        10"
  
      Width
            100'
  
      Vertical
            100'
  
      Comments
        Skinned up the gentle (after the initial steeper) slope of the ridge adjacent (west) to East Facing during a pretty intense, wet snow squall that had some graupel in it as well and had strong west winds. Near the top we saw the remnants of a pretty small soft slab avalanche that had released earlier in the day from a steep, windloaded zone <100' down off the ridge. There were a couple of tracks in the neighborhood that had about the same amount of new snow on them so it's possible that those folks triggered the slide from the adjacent, lower-angle sub-ridge? They may send in an ob themselves? The terrain flattens out quite a bit below - to the point of being too flat to get any speed in the 8-10" of new snow, so the avalanche didn't run far. It wasn't surprising that there was a new snow soft-slab given that there was already 6+ inches of new that came in intensely in the morning, and as we went down the lower-angled ridge and then dropped off the rib into the sub-drainage we got micro-slabs to pull off the steep rock-rolls (last pic). Nothing of consequence and not a lot of connectivity, but of course the same setup in ruggeder terrain would have different outcomes. This new snow volatility will probably settle out quickly, but of course it could have yet another weighted effect on the notorious PWL? But could also - hopefully - be adding yet another layer on top of the cake that may put that PWL out of play for the season? Hope so....

Coordinates