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
03/18/2013 - 12:00
Snowpack Observation 		Mt. Tallac
Desolation Wilderness Area (including Emerald Bay) 		Forecaster
03/12/2012 - 10:15
Snowpack Observation 		Incline Peak
Mount Rose Area 		Public
12/14/2015 - 12:00
Snowpack Observation 		Blue Lakes
Carson Pass Area 		Professional Observer
01/16/2017 - 13:20
Snowpack Observation 		Poison Canyon
Bear Valley Area 		Public
12/22/2009 - 11:00
Snowpack Observation 		Mt. Judah
Donner Summit Area 		Professional Observer
12/06/2012 - 09:00
Snowpack Observation 		Tamarack Peak
Mount Rose Area 		Public
12/19/2015 - 10:40
Snowpack Observation 		Rubicon Peak N Face
West Shore Area 		Public
01/17/2010 - 15:00
Snowpack Observation 		Donner Pass
Donner Summit Area 		Professional Observer
01/01/2013 - 11:00
Snowpack Observation 		Deep Creek
Cabin Creek, Deep Creek, or Pole Creek Area 		Public
12/23/2015 - 12:00
Snowpack Observation 		Becker Ridge
Echo Summit Area 		In lower elevation trees crust was randomly breakable. Settlement cone.Surface conditions were mix of firm icy crusts or thin wind deposited new snow.Main chunk of broken cornice (approximately size of a skinny van).Highest point of cornice break was 120 cms. Crust Professional Observer
01/27/2017 - 10:00
Snowpack Observation 		W end Boreal Ridge above Central Sierra Snow Lab
Donner Summit Area 		Professional Observer
02/18/2010 - 13:00
Snowpack Observation 		Peak 9773
Mount Rose Area 		Professional Observer
03/21/2013 - 18:00
Snowpack Observation 		Echo Summit
Echo Summit Area 		Public
12/29/2015 - 14:00
Snowpack Observation 		Top of Negro Canyon
Donner Summit Area 		Shooting crack on obvious wind slab Guide
Alpenglow Expeditio
11/18/2010 - 11:00
Snowpack Observation 		East Ridge Tamarack Peak
Mount Rose Area 		Professional Observer

Pages