Buried surface hoar failing under artificially created slab on West Grouse.
Blackwood Canyon or Ward Canyon Area
Observation Date and Time or Estimated Date and Time of Avalanche:
Friday, December 7, 2018 - 12:00
39° 7' 45.0012" N, 120° 15' 2.9988" W
Is this an Avalanche Observation?:
Observation made by: Forecaster