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
04/19/2019 - 10:30
Snowpack Observation 		Yuba Pass
Yuba Pass Area 		1.5 inches of very week surface crust remaining at 10 am. Deep boot penetration in sunny flats at 10 am. Wet snow surface sluffing, moving in the direction of loose wet instability. Deep, unsupportable wet snow with no signs of any remaining refreeze at 10:50 am. Forecaster
12/09/2012 - 11:30
Snowpack Observation 		Lincoln Ridge
Yuba Pass Area 		Forecaster
01/15/2014 - 12:30
Snowpack Observation 		Lincoln Ridge
Yuba Pass Area 		Forecaster
03/28/2023 - 11:30
Avalanche Observation 		Lincoln Ridge
Yuba Pass Area 		Small reactive wind slab failures. Small reactive wind slab failures on test slopes. Small wind slab avalanche on small slope near ridgeline. Intense blowing snow in near treeline terrain. Cracking around skis on uptrack showing storm slab instability. ECTN on layers down to the March 14 rain layer. Forecaster
12/18/2021 - 12:00
Snowpack Observation 		Lincoln Ridge
Yuba Pass Area 		Early stages of blowing/drifting snow ahead of tomorrow's increasing winds. Boot top amounts of snow on the ridgetop available for wind transport/redistribution. Deep Tap Tests on old snow layers near the bottom of the 2m deep snowpack. Forecaster
02/15/2022 - 11:00
Snowpack Observation 		Lincoln Ridge
Yuba Pass Area 		Upper snowpack in wind protected below treeline areas Wind drifted snow up to 1' deep on SW side of ridge from strong NE winds this morning. Northerly aspect with up to 1' of wind blown snow with some NE wind protection. Strong NE winds had already scoured exposed northerly aspects back down to previous crusts. Blowing snow along the top of Lincoln Ridge Forecaster
12/30/2016 - 12:00
Snowpack Observation 		Lincoln Ridge
Yuba Pass Area 		Forecaster
12/17/2017 - 12:30
Snowpack Observation 		Lincoln Ridge
Yuba Pass Area 		Variable wind scoured snow surfaces in open N-NE facing areas at 7600 ft.Firm rain crust exposed by wind scouring on a NE aspect near the ridgeline.Snow coverage at 7200 ft. Near surface facets on northerly aspects. Forecaster
01/26/2013 - 11:25
Snowpack Observation 		Fireplug
Yuba Pass Area 		Forecaster
02/28/2013 - 11:35
Snowpack Observation 		Lincoln Ridge
Yuba Pass Area 		Forecaster
02/12/2014 - 13:00
Snowpack Observation 		Lincoln Ridge
Yuba Pass Area 		Forecaster
12/23/2018 - 11:00
Snowpack Observation 		Peak 8040'
Yuba Pass Area 		Several slope cuts did not produce any signs of instabilities. At 8000', 1'' rain crust existed near the surface with soft snow below. Forecaster
02/08/2011 - 11:00
Snowpack Observation 		Lincoln Ridge
Yuba Pass Area 		Forecaster
03/08/2019 - 11:15
Snowpack Observation 		Lincoln Ridge
Yuba Pass Area 		One of many large cornices in this area. Sustained moderate to intense blowing snow on the ridgetop. Forecaster
03/27/2017 - 10:30
Snowpack Observation 		Lincoln Ridge
Yuba Pass Area 		Sunny skies in the Yuba Pass area with signs of rapid warming becoming evident at 9:45 am.Kicking small cornince sections on NE aspect at treeline at 7,800' produced no results on wind loaded slope below.Signs of rapid warming/wet snow instability on SE aspect test slope at 7,800' at 10:50 am. Forecaster

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