Blowing snow and signs of wind slab instability on Andesite Peak.
Donner Summit Area
Observation Date and Time or Estimated Date and Time of Avalanche:
Tuesday, February 12, 2019 - 11:45
39° 20' 56.166" N, 120° 21' 55.3212" W
Is this an Avalanche Observation?:
Observation made by: Forecaster