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
01/24/2021 - 09:00
Snowpack Observation 		Andesite
Donner Summit Area 		1 cm + surface hoar found widespread in open meadows at Andesite 01/24 Educator
International Alpine Guid
02/02/2021 - 13:30
Snowpack Observation 		Powderhouse
Luther Pass Area (including Job and Freel) 		Educator
Lake Tahoe Community College - Wilderness Educati
12/10/2019 - 10:00
Snowpack Observation 		Thopson Peak
Luther Pass Area (including Job and Freel) 		Wind scouring on surface. 2-3cm breakable crust. Educator
Lake Tahoe Community College - Wilderness Educati
03/07/2021 - 09:30
Avalanche Observation 		Shirley Canyon
Cabin Creek, Deep Creek, or Pole Creek Area 		Terrain where surface instability occurred Close Up of surface instability Another close up of surface instability Educator
Alpenglow Expeditio
11/29/2017 - 12:45
Snowpack Observation 		Rubicon Peak
West Shore Area 		4mm surface hoar noted in below treeline openings.One of several hand pits indicating good bonding of recent storm snow to the rain cust below. Forecaster
01/05/2016 - 11:15
Avalanche Observation 		Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area
Forecaster
04/05/2016 - 11:30
Snowpack Observation 		Rubicon Peak
West Shore Area 		Forecaster
02/08/2011 - 11:00
Snowpack Observation 		Lincoln Ridge
Yuba Pass Area 		Forecaster
03/09/2016 - 10:30
Snowpack Observation 		Andesite Peak
Donner Summit Area 		Forecaster
12/13/2019 - 12:00
Snowpack Observation 		Incline Lake Peak
Mount Rose Area 		Cracking in a new 6 inch think wind slab at midday. More wind slab cracking at midday. Forecaster
02/25/2014 - 11:45
Snowpack Observation 		Lincoln Ridge
Yuba Pass Area 		Forecaster
01/04/2018 - 23:30
Snowpack Observation 		Chickadee Ridge
Mount Rose Area 		Facets below slab remaining dry to moist.Skier triggered roller balls in low angle terrain, indicating possibility of loose wet avalanche potential. Forecaster
01/23/2016 - 10:15
Snowpack Observation 		Jakes Peak
West Shore Area 		Forecaster
12/23/2010 - 13:15
Avalanche Observation 		Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		Forecaster
11/19/2011 - 11:37
Snowpack Observation 		Castle Peak
Donner Summit Area 		, Forecaster

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