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
02/10/2021 - 01:15
Snowpack Observation 		Tragedy Springs
Bear Valley Area 		Misty low level clouds in the morning. Trace of snow and ice in trees. Pit profile@ 8500'. A look at layers below Jan.22nd rain crust. Facets below the Jan. 22nd crust. Facets below the Dec.11th crust. Professional Observer
02/28/2022 - 12:30
Snowpack Observation 		Outside Heavenly Resort Boundary
Carson Pass Area 		Public
02/22/2018 - 11:00
Snowpack Observation 		Incline Lake Peak/Slab Cliffs
Donner Summit Area 		Forecaster
02/26/2019 - 06:00
Avalanche Observation 		Andesite Peak
Donner Summit Area 		NE aspect below treeline with 2 to 3 ft crown visible. Slope angle ranged from 32 to 44 degrees. Skier's left side of crown and debris. Skier's right side of crown and debris. Crown of 2-3 feet with 8 inches of storm snow on bed surface. ECTX and CTH-Broken results in crown at 11:45am. This is the maximum amount of cracking we observed today in areas of wind slab. Ski cuts such as this in wind loaded terrain above treeline produced no results. Forecaster
02/19/2023 - 14:00
Snowpack Observation 		Deer Park
Five Lakes Area 		Guide
Alpenglow Expeditio
03/09/2020 - 12:15
Snowpack Observation 		Stevens Peak
Carson Pass Area 		Height of recent new snow in a gully on generally north east facing terrain. General coverage on Stevens, but I thought the reverse ski tracks in the lower section of this photo showed the variable nature of the conditions. High clouds with occasional patches of blue sky. Ample soft snow hiding in shady zones. ECTN 17 with the crust zone being the weak layer. The crust is mostly broken down in this area. Hand hardness with the old crust area being around 155cms in this location. Professional Observer
02/12/2021 - 14:00
Avalanche Observation 		Judah Peak
Donner Summit Area 		Looking down Money Run after slide, major slide debris is in shadow Crown, with tracks adjacent, looking North Public
03/06/2022 - 09:58
Avalanche Observation 		Below Tamarack Peak
Mount Rose Area 		Public
02/25/2018 - 14:00
Snowpack Observation 		Meiss
Carson Pass Area 		Professional Observer
03/02/2019 - 11:15
Avalanche Observation 		Jakes Peak
West Shore Area 		First avalanche triggered at ~8,700' by intentional ski cut. Moving below 7,800' these avalanches could be triggered by ski cuts on just about any convexity about 34 degrees and steeper. At around 7000', this storm slab/loose wet hybrid triggered by ski cut. Avalanche debris into trees below. Forecaster
02/25/2023 - 10:30
Snowpack Observation 		Tamarack
Mount Rose Area 		Public
03/15/2020 - 13:30
Snowpack Observation 		Donner Ridge
Donner Summit Area 		Ski kick triggered crack on a NE facing wind drifted test slope along the ridge @ 7800 ft. A ski kick triggered a small cornice piece that fell onto this slope and released a 8 to 10 inch deep soft wind slab on the test slope below it. NE facing 7800 ft. Poor visibility due to blowing snow and flat light Forecaster
02/14/2021 - 12:00
Avalanche Observation 		Mt. Judah
Donner Summit Area 		Public
03/11/2022 - 12:00
Snowpack Observation 		Mt. Tallac
Desolation Wilderness Area (including Emerald Bay) 		Lots of snow glopping on the skins today 1-2 cm boot penetration at 10:15am on a low angle E aspect clearing at about 7200 Looking north towards Cascade Lake and Emerald Bay Looking west towards Kalmia Ridge Firm turns on an E aspect just after 1pm around 7600 feet. Lower elevation and sunnier more south facing aspects were softer. Professional Observer
02/28/2018 - 09:30
Snowpack Observation 		Powderhouse
Luther Pass Area (including Job and Freel) 		facets at 35cm depth facets below crust at 70cm depth fresh snow, barely cohesive. Surface hoar - present across the mountain Public

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