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
12/26/2020 - 12:00
Snowpack Observation 		Castle meadow
Donner Summit Area 		Public
12/30/2015 - 13:15
Snowpack Observation 		Looking west from Waterhouse
Luther Pass Area (including Job and Freel) 		Stellars still intact on the surface on the north face of Waterhouse, no signs of surface hoar starting to form.looking across at "Shower chutes" I could see large broken cornice chunks and debris piles across most of ridge line. Starting lookers right in the sun and continuing all the way across lookers left to the peak and continuing down the other-side. No signs of a triggered avalanche from the weight of the cornice on the slope underneath. Probably occurred in the early morning when the sun was on it. Wind effected ridge. Strong west wind loading east aspect.Over hanging cornices forming at the bottom of the picture along the ridge line. Public
03/06/2016 - 14:00
Snowpack Observation 		north of Galena Peaks Saddle
Mount Rose Area 		Public
03/09/2023 - 11:30
Snowpack Observation 		Elephant's Hump
Carson Pass Area 		First signs of wind slab cracking, just steps from the truck. Plenty of skin track refill below treeline from drifting snow this morning. Drifting snow near treeline. Drifting snow near treeline. Impressive wind features sculpted by SW at treeline with hard slabs nearby. Public
12/26/2016 - 12:30
Avalanche Observation 		Ralston - North face
Desolation Wilderness Area (including Emerald Bay)
Avalanche on ralston
 Public
02/18/2022 - 15:40
Avalanche Observation 		The nipple
Carson Pass Area 		Public
03/24/2019 - 13:00
Avalanche Observation 		Kettle Peak
Outside of the Forecast Area 		Public
12/02/2022 - 13:15
Snowpack Observation 		East Peak
Luther Pass Area (including Job and Freel) 		Public
01/02/2020 - 14:30
Snowpack Observation 		Castle Peak
Donner Summit Area 		Public
03/18/2012 - 13:30
Avalanche Observation 		North aspect of Cardiac Ridge, north of Thumb Rock
Donner Summit Area
Public
03/26/2014 - 17:00
Avalanche Observation 		Mt Judah just outside the sugarbowl boundary
Donner Summit Area 		Public
04/12/2018 - 18:00
Snowpack Observation 		North Bowl Castle Peak
Donner Summit Area 		West winds transporting snow More west wind transport 4-5" of cold snow still existed on N aspect at 18:30 Public
02/06/2023 - 08:00
Avalanche Observation 		Jake’s Peak
West Shore Area 		Public
03/18/2018 - 13:30
Avalanche Observation 		E Shoulder of Mt Rose
Mount Rose Area 		Settlement at base of trees on ENE exposure Warm wet surface snow with small roller balls at 9800' SE exposure Old crown at 8500' E exposure 30 deg with convexity View of Mt Houghton slab as seen from Mt Rose Public
12/27/2016 - 23:30
Avalanche Observation 		Above Crater lake, Red Lake Pk
Carson Pass Area 		The snow on bed where failure occured. Public

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