The 142nd and final avalanche advisory for the 2017/2018 season was published on April 22nd. Thank you to all who have supported the avalanche center through volunteer hours, field observations, and financial support.
Castle Pass/Andesite Ridge storm snow.
Castle Pass/Andesite Ridge
Donner Summit Area
Date and time of observation:
Sat, 11/04/2017 - 11:00
United States39° 21' 11.5452" N, 120° 21' 57.2004" W
Recent loading by new snow, wind, or rain
Observation made by: Forecaster