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
03/17/2018 - 10:00
Avalanche Observation 		Slab Cliffs
Mount Rose Area 		Natural storm slab avalanche Additional photo taken and added to this observation on March 19. Forecaster
02/12/2021 - 01:00
Avalanche Observation 		Rubicon Peak
West Shore Area 		Public
03/20/2020 - 13:30
Avalanche Observation 		Tamarack Peak
Mount Rose Area 		Public
03/06/2022 - 11:55
Avalanche Observation 		South eace face Mt. Houghton
Mount Rose Area 		Public
03/15/2023 - 09:43
Avalanche Observation 		Trestle Peak taken from Wolfe Estates
Donner Summit Area 		Trestle Peak 9:30am March 15 Public
03/13/2019 - 13:00
Snowpack Observation 		Elephants Hump
Carson Pass Area 		Scoured NE facing slope near the ridgeline Ice crust exposed by wind scouring on the ridge NE wind transport off of Red Lake Peak ECTN on a previously wind-loaded NE facing test slope. Forecaster
03/20/2018 - 12:00
Snowpack Observation 		Proletariat
Mount Rose Area 		Looking at the crown. My finger is pointing to the weak layer and the crust is visible where I shoveled out part of the crown. Runnels on an ESE aspect at 9200 ft. Forecaster
02/14/2021 - 14:00
Snowpack Observation 		Castle/Andesite
Donner Summit Area 		small cornice on E face of Andesite Peak low clouds obscuring Castle Peak Public
03/19/2020 - 12:00
Avalanche Observation 		Andesite Peak
Donner Summit Area 		Partially covered avalanche crown. Partially covered right flank. Avalanche debris ran downslope through the first set of trees. Forecaster
03/11/2022 - 10:45
Snowpack Observation 		Dogleg Couloir-Maggies
Desolation Wilderness Area (including Emerald Bay) 		Public
03/17/2023 - 12:00
Snowpack Observation 		Castle Peak
Donner Summit Area 		Firm rain crust with a dusting of soft snow on top of it. Rain runnels existed on most slopes below 8400 ft. Uneven icy surfaces existed on the ridges. Evidence of strong winds during the storm was widespread. Forecaster
03/18/2019 - 11:30
Snowpack Observation 		Red Lake Peak
Carson Pass Area 		Small loose wet avalanches on gully feature just below 9000' at noon. Cold wind blown snow exists on NW-N aspects in this area at 9600' with no signs of surface melt. Forecaster
03/25/2018 - 10:30
Avalanche Observation 		Andesite Peak
Donner Summit Area 		Natural wind slab below the summit of Andesite, E aspect, ~8,200'. Appeared to have occurred late on March 24. 6 inches of storm snow available for wind transport in above treeline areas. Dark line is our skin track. Minor cracking on wind loaded test slope above treeline. Forecaster
02/17/2021 - 11:00
Avalanche Observation 		Castle Peak
Donner Summit Area 		Cornice failure on the north side of ridge from Castle Peak Avalanche on the north east aspect of Andesite Wind loading below Castle Peak Wind transporting snow from the north bowl of Castle Peak Public
03/26/2020 - 11:30
Avalanche Observation 		Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		Skier triggered Avalanche Public

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