A first hand account of the Nov 16 Hourglass avalanche became available on Nov 21. Read it here.
Snowpack observations from Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area
Date and time of observation:
Mon, 11/13/2017 - 13:00
United States39° 13' 23.8692" N, 120° 14' 37.266" W
Obvious avalanche path
Observation made by: Forecaster