These observations document past conditions at a small and variable scale. They are not to be confused with an avalanche forecast. They come from a variety of sources. We can only vouch for the quality of those produced by the SAC forecasters and professional observers.
Date and time of observation or avalanche occurrence Location Media Observation made by
12/29/2011 - 10:30
Avalanche Observation 		Andesite Ridge
Donner Summit Area
Forecaster
02/20/2017 - 10:50
Avalanche Observation 		Andesite Peak
Donner Summit Area
Initial cracks triggered by kicking on the upper part of slope which caused the avalanche down lower at the mid slope convexity.
Initial cracks triggered by kicking on the upper part of slope which caused the avalanche down lower at the mid slope convexity.
The small avalanche in which skier was caught.
Red lines over crown of lower avalanche that occurred before ski pole drop. Green line over crown of small avalanche that carried skier.
Skier with deployed airbag after being carried 200 vertical feet by small avalanche, no burial.
 Forecaster
03/15/2012 - 05:00
Avalanche Observation 		Donner Pass and Donner Peak
Donner Summit Area 		Forecaster
12/15/2012 - 11:00
Avalanche Observation 		Mt. Judah
Donner Summit Area
Professional Observer
12/23/2012 - 15:00
Avalanche Observation 		Near Cliff Lake
Desolation Wilderness Area (including Emerald Bay)
Forecaster
03/06/2013 - 08:00
Avalanche Observation 		Andesite Peak
Donner Summit Area
Professional Observer
12/22/2015 - 09:00
Avalanche Observation 		Frog Lake Ridge
Carson Pass Area
Professional Observer
04/12/2010 - 13:00
Avalanche Observation 		Hidden Peak
West Shore Area
Public
03/14/2017 - 10:15
Avalanche Observation 		South of Frog Lake Cliff
Donner Summit Area
Educator
Donner Summit Avalanche Semina
12/30/2012 - 09:15
Avalanche Observation 		Mt Reba
Bear Valley Area
Public
03/25/2017 - 13:22
Avalanche Observation 		Outside of boundary in Snow Valley
Bear Valley Area
Public
11/21/2009 - 11:55
Avalanche Observation 		Sister's
Carson Pass Area
Public
01/14/2010 - 12:01
Avalanche Observation 		1/4 mile SW of Stevens Peak
Carson Pass Area
Public
01/15/2016 - 12:00
Avalanche Observation 		Ralston Peak
Echo Summit Area
Public
02/05/2010 - 11:00
Avalanche Observation 		East Fork Negro Canyon
Donner Summit Area
Professional Observer

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