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
03/17/2020 - 15:30
Snowpack Observation 		Serene Lakes
Donner Summit Area 		signs of settlement in the new snow filled in skin track...transporting snow small cornice drop with no cracking or any real action underneath NNE 7280' HS 310cm HN 168cm, rightside up, no obvious or reactive layers in the new snow, most reactive layer is a thin and obvious layer of graupel on the old new snow interface while hard to trigger, DT22, this thin layer of graupel broke cleanly on the old/new snow interface Public
03/17/2020 - 13:00
Avalanche Observation 		Sonora pass
Outside of the Forecast Area 		Public
03/17/2020 - 12:30
Snowpack Observation 		Hidden Peak
West Shore Area 		Skier triggered wind slab on a small NE facing test slope near the top of Hidden Peak Developing breakable crusts on east aspects in the early afternoon. Small snow squalls would blow through occasionally. Forecaster
03/17/2020 - 12:30
Snowpack Observation 		Rubicon 8300' ne ridge
West Shore Area 		Public
03/17/2020 - 12:00
Snowpack Observation 		Indian Valley
Ebbetts Pass Area 		Professional Observer
03/16/2020 - 13:00
Snowpack Observation 		Rubicon Peak
West Shore Area 		Right side up snowpack Public
03/16/2020 - 12:15
Avalanche Observation 		Jakes Peak
West Shore Area 		Public
03/16/2020 - 12:00
Snowpack Observation 		Border Ruffian
Carson Pass Area 		Professional Observer
03/16/2020 - 12:00
Avalanche Observation 		Andesite Ridge
Donner Summit Area 		Ski kick triggered avalanche on a NE-ENE aspect at 7850 ft Same avalanche from the top of the slope. Note the crack on the left flank. Same avalanche from the top of the slope. Note the crack on the right flank. More views of the avalanche. More views of the avalanche The amount of snow that accumulated on the top of the truck during our 4 hr tour Forecaster
03/16/2020 - 11:30
Avalanche Observation 		Rubicon Peak
West Shore Area 		Public
03/16/2020 - 11:30
Avalanche Observation 		Jakes peak
West Shore Area 		Public
03/16/2020 - 01:00
Snowpack Observation 		East Ridge of Tamarack Peak
Mount Rose Area 		Wind Affected Ridge Cracks in Cornice Public
03/15/2020 - 16:00
Snowpack Observation 		Coyote Rock
Luther Pass Area (including Job and Freel) 		Breaking trail was challenging in the deep pow. Despite jumping on this kickback there was no evidence of slab properties. About 70 cms of new snow. PST 70/100 END down 85 cms Professional Observer
03/15/2020 - 14:00
Avalanche Observation 		Powderhouse peak
Luther Pass Area (including Job and Freel) 		Public
03/15/2020 - 13:45
Snowpack Observation 		Low on Pickett Peak
Woodfords Canyon 		Public

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