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
12/27/2019 - 12:30

Avalanche Observation
west of Relay peak and "Bronco chutes"

Mount Rose Area
Bronco Chute Public
02/11/2017 - 15:15

Snowpack Observation
West of Relay Ridge

Mount Rose Area
Shooting crack 15 feet longDebris from wind loaded test slope that failed40 cm crown from wind loaded test slope Public
12/02/2022 - 12:22

Snowpack Observation
West of Sagehen Hill

Independence Lake Area
Public
01/05/2013 - 13:00

Snowpack Observation
West Ridge Donner Peak

Donner Summit Area
Professional Observer
12/25/2016 - 11:07

Snowpack Observation
West ridge of Castle

Donner Summit Area
shooting crack 1shooting crack 2 Guide

Alpenglow Expeditio
03/14/2017 - 13:00

Avalanche Observation
West Ridge of Mt. Tallac

Desolation Wilderness Area (including Emerald Bay)
Loose wet avalanche size D1.5-D2 triggered by natural cornice collapse.
Forecaster
12/19/2018 - 13:45

Snowpack Observation
West ridge of peak 9,422’

Carson Pass Area
Public
03/09/2019 - 10:30

Avalanche Observation
West shore emigrant lake

Carson Pass Area
Public
02/01/2021 - 14:00

Avalanche Observation
West side of Crater Lake (E facing) by Red Lake Peak

Carson Pass Area
Public
03/20/2022 - 11:55

Snowpack Observation
West side of North-Northwest Ridge of Andesite Peak

Donner Summit Area
Wind slab and cracking on Andesite Peak Guide

Alpenglow Expeditio
12/14/2017 - 16:00

Snowpack Observation
West side Relay Peak

Mount Rose Area
Public
12/28/2020 - 12:00

Snowpack Observation
Wheeler Peak outside Lake Alpine S-SW face

Bear Valley Area
Public
03/04/2017 - 14:10

Avalanche Observation
Wheeler Ridge

Bear Valley Area
Public
02/28/2021 - 13:30

Snowpack Observation
White Rock

Little Truckee Summit Areas
Public
01/29/2022 - 18:09

Snowpack Observation
White Rock Lake

Little Truckee Summit Areas
Small Column Compression Test with Sudden Planer Result at 30cm depth Surface hoar in protected, shaded pockets. Getting ready for a Large Column Compression Test.  No Propagation observed when test was performed Public

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