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Tumalo wind slab

RED FLAGS
Wind
Observation Date/Time:
Mon, Mar 29, 2021 - 7:30 PM
Reporter(s):
Mason Lacy
Location/Elevation:
Three Sisters Area
Report Type:
Snow Conditions   Avalanche Activity  
Travel Mode:
Ski or Snowboard  

Written Report:
We toured up Tumalo Monday morning, strong winds near the summit. Several inches of light snow fell overnight, with wind depositing more in the bowl. We skied our first run down the skier’s left side of the bowl, light snow made for fun skiing. On the second lap we skied near the motorized boundary. The very top along the ridgeline had more wind deposited snow than lower in the bowl, with a steeper snow surface. Skiing over the convexity I triggered a wind slab. The crown was about 6” high and 20ft wide. The snow slid about 40ft into the bowl before coming to a stop.

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