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
12/24/2016 - 13:11
Avalanche Observation 		East Face Andesite Peak
Donner Summit Area
Public
01/28/2014 - 14:30
Avalanche Observation 		Emerald Bay
Desolation Wilderness Area (including Emerald Bay)
Public
01/04/2017 - 18:00
Avalanche Observation 		Secret Peak
West Shore Area
Forecaster
01/04/2017 - 00:01
Avalanche Observation 		Rose Know
Mount Rose Area 		Public
01/22/2017 - 11:20
Avalanche Observation 		Negro Canyon
Donner Summit Area
Witnessed remote trigger wind slab avalanche/test slope failure from ridgetop (SE aspect, 6,880')..
Small natural wind slab avalanche futher up ridge from remote trigger test slope failure (ESE aspect, 7,000').
Signs of recent natural cornice collapse and subtle evidence of a mostly refilled crown line (NE aspect, 7,240')
Rapid storm snow settlement at 6,500.
 Forecaster
02/18/2016 - 07:00
Avalanche Observation 		Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area
Forecaster
02/07/2017 - 04:00
Avalanche Observation 		Frog Lake Cliffs
Carson Pass Area
Forecaster
04/06/2014 - 13:00
Avalanche Observation 		Drainage into Crater Lake
Carson Pass Area
Public
02/12/2017 - 12:30
Avalanche Observation 		Due south of Rose Knob Peak
Mount Rose Area
Aftermath of Avalanche near Rose Knob Peak.
Avalanche Path in Yellow.
Public
03/13/2016 - 12:00
Avalanche Observation 		Above Fontanillis Lake
Desolation Wilderness Area (including Emerald Bay)
Forecaster
02/21/2017 - 01:00
Avalanche Observation 		Corkscrew slide path
Desolation Wilderness Area (including Emerald Bay)
Toe of the debris.
Huge blocks in the debris.
Looking up from the highest point of the debris.
Looking down on the debris from higher on the edge of the Corkscrew path.
 Professional Observer
12/16/2014 - 13:23
Avalanche Observation 		North east of Grouse Rock
Blackwood Canyon or Ward Canyon Area
Public
04/09/2016 - 12:00
Avalanche Observation 		Tamarack Peak
Mount Rose Area 		Public
03/02/2017 - 13:20
Avalanche Observation 		North Bowl Castle Peak
Donner Summit Area
Public
02/28/2010 - 13:30
Avalanche Observation 		South facing slope near Mt. Ralston below Cup Lake
Echo Summit Area
Public

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