A first hand account of the Nov 16 Hourglass avalanche became available on Nov 21. Read it here.
Andesite Peak lunch time
Donner Summit Area
Date and time of observation:
Fri, 11/10/2017 - 13:00
United States39° 21' 3.69" N, 120° 21' 59.904" W
Recent loading by new snow, wind, or rain
Observation made by: Public