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
02/05/2010 - 11:00

Avalanche Observation
East Fork Negro Canyon

Donner Summit Area
Professional Observer
01/14/2016 - 14:30

Avalanche Observation
Donner Peak

Donner Summit Area
Forecaster
12/06/2017 - 10:00

Avalanche Observation
Frog Lake Ridge

Carson Pass Area
Professional Observer
03/12/2016 - 13:30

Avalanche Observation
Andesite Ridge

Donner Summit Area
Forecaster
03/15/2016 - 03:00

Avalanche Observation
Below the Cornice in Polaris Bowl

Luther Pass Area (including Job and Freel)
Public
04/03/2016 - 12:30

Avalanche Observation
Fireplug aka The Diamond

Mount Rose Area
Forecaster
12/16/2016 - 07:00

Avalanche Observation
Bronco Chutes

Mount Rose Area
Looking up at several crowns that likely happened on 12/16 at the end of the recent storm.
A closer look at some of those crowns.
Forecaster
12/24/2016 - 13:11

Avalanche Observation
East Face Andesite Peak

Donner Summit Area
Public
01/04/2017 - 18:00

Avalanche Observation
Secret Peak

West Shore Area
Forecaster
04/22/2010 - 11:00

Avalanche Observation
Proletariat

Mount Rose Area
Forecaster
01/04/2017 - 00:01

Avalanche Observation
Rose Know

Mount Rose Area
Public
04/07/2010 - 12:00

Avalanche Observation
Jake's Peak

West Shore Area
Forecaster
11/23/2010 - 13:53

Avalanche Observation
Wildflower Ridge

Donner Summit Area
Forecaster
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
01/08/2020 - 12:45

Avalanche Observation
Silver Peak

Cabin Creek, Deep Creek, or Pole Creek Area
One of 5 intentionally triggered D1 wind slabs in near treeline terrain.
Another of 5 intentionally triggered D1 wind slabs in near treeline terrain.
Forecaster

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