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
04/23/2010 - 10:30
Snowpack Observation 		Castle Peak
Donner Summit Area 		Forecaster
04/15/2020 - 11:30
Snowpack Observation 		Mt. Tallac
Desolation Wilderness Area (including Emerald Bay) 		Main bowl of Tallac with previous loose wet activity. The bottom of Corkscrew Forecaster
12/03/2021 - 11:15
Snowpack Observation 		Maggies Peak
Desolation Wilderness Area (including Emerald Bay) 		Patchy snow coverage above 8200' towards South Peak Snow coverage on summer trail at 8000' View south into Desolation Wilderness Forecaster
02/23/2021 - 23:30
Snowpack Observation 		Talking Mtn
Echo Summit Area 		Evidence of recent NE winds redistributing snow along ridgetops. Evidence of recent NE winds redistributing snow along ridgetops. Two inches of surface melt over supportable crust on S aspect approach at about 8,500' around 10:45 am. Still unconsolidated surface snow on shaded N aspect terrain below treeline. Evidence on NE wind redistribution on N aspect below treeline opening around 7,800. This was on the bottom third of the slope, well below the ridgetop. Forecaster
11/28/2016 - 12:00
Snowpack Observation 		Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		Forecaster
03/14/2017 - 13:00
Avalanche Observation 		West Ridge of Mt. Tallac
Desolation Wilderness Area (including Emerald Bay)
Loose wet avalanche size D1.5-D2 triggered by natural cornice collapse.
 Forecaster
01/25/2022 - 12:30
Snowpack Observation 		Mt. Judah
Donner Summit Area 		Weak snow/Crust/Weak Snow Sandwich on a N aspect on Mt. Judah. The winds were howling along the Judah ridgeline with gusts that could cause me to stumble. Firm, uneven, wind scoured surfaces existed in open areas. Firm refrozen melt-freeze snow existed on sunny aspects. Forecaster
03/21/2014 - 12:00
Snowpack Observation 		Incline Lake Peak
Mount Rose Area 		Forecaster
03/01/2012 - 12:00
Avalanche Observation 		Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area
Forecaster
11/19/2012 - 10:05
Snowpack Observation 		Tamarack Peak
Mount Rose Area 		Forecaster
02/21/2013 - 14:00
Snowpack Observation 		Jakes Peak
West Shore Area 		, Forecaster
04/13/2011 - 10:45
Snowpack Observation 		Rose Knob Peak
Mount Rose Area 		Forecaster
01/07/2020 - 11:30
Snowpack Observation 		Meeks Ridge
West Shore Area 		Jan 4 rain crust with advanced facets below crust. Forecaster
01/09/2022 - 11:15
Snowpack Observation 		Lincoln Ridge
Yuba Pass Area 		Cornice formation from past SW winds and ridgetop sastrugi from E winds last night. Skin track refill from E winds last night. Ridgetop ski track from yesterday scoured to inverted by E winds last night. Dust on crust conditions in most open areas away from the wind affected ridgetops. Surface hoar of 5 to 15mm noted in the area. Wet surface snow on SSW aspect terrain at 7,100'. Forecaster
12/22/2015 - 11:00
Snowpack Observation 		Andesite Ridge
Donner Summit Area 		Forecaster

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