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
01/20/2017 - 15:45
Avalanche Observation 		Andesite Peak
Donner Summit Area
D2 Wind slab avalanche triggered by a small cornice piece
Small avalanche triggered by a larger piece of cornice
Cracking in the storm snow on in below treeline terrain
 Forecaster
01/20/2017 - 10:30
Avalanche Observation 		Jakes Peak
West Shore Area
Skier triggered wind slab avalanche. Crown line test pit on right.
Skier triggered wind slab. Crown up to 2' deep. 7800', NE aspect.
Test Pit at 8200', NE aspect. ECTN's. HST=95cm.
 Forecaster
01/19/2017 - 14:30
Avalanche Observation 		Tram Ridge / Shirley canyon
Cabin Creek, Deep Creek, or Pole Creek Area
Skier triggered storm slab avalanche_20170119
 Guide
Alpenglow Expeditio
01/19/2017 - 11:00
Avalanche Observation 		Jakes Peak
West Shore Area
Small (D1) natural storm slab avalnche. 7700', NE aspect,4-6'' deep.
Skier triggered storm slab on small test slope.
Another small natural storm slab avalanche. 8700', NE aspect, 4-6'' deep.
One of numerous trees with avalanche debris and broken branches from previous larger avalanches in this area.
Small (D1) storm slab avalanche over skin track. 8800', NE aspect.
 Forecaster
01/18/2017 - 11:00
Snowpack Observation 		Castle Peak
Donner Summit Area 		Skier triggered wind slab @ 11am. 8300', N/NW aspect, 6-8'' crown line.Cornice formation along ridge at 10:30am.Debris from small wind slab failure. Forecaster
01/18/2017 - 09:30
Snowpack Observation 		Elephant's Hump
Carson Pass Area 		2-3cm crust over softer snowWet surface snow easily clumps togetherThis was the shallowest location I observed with the pole basket sitting on the old rain crust .Newly formed surface crust Professional Observer
01/17/2017 - 12:30
Snowpack Observation 		Becker Peak
Echo Summit Area 		Forecaster
01/17/2017 - 12:00
Snowpack Observation 		Kinney Lakes
Ebbetts Pass Area 		Professional Observer
01/17/2017 - 11:30
Snowpack Observation 		Stanford Rock
Blackwood Canyon or Ward Canyon Area 		1/12 rain crust at 6700' on North aspect2-3mm surface hoar below 7000'. In areas near creek up to 2-3cm in size. Forecaster
01/16/2017 - 13:20
Snowpack Observation 		Poison Canyon
Bear Valley Area 		Public
01/16/2017 - 12:50
Snowpack Observation 		Andesite Ridge
Donner Summit Area 		Guide
Tahoe Mountain Scho
01/16/2017 - 12:00
Snowpack Observation 		Powderhouse
Luther Pass Area (including Job and Freel) 		Big settlement cone showing that an impressive amount of settlement has occurred.North facing open upper elevation locations in this area have very uncohesive soft near surface facets, but surface hoar was noticeably absent.Lower elevation open locations did feature large surface hoar. Lower elevation open locations did feature large surface hoar. Professional Observer
01/16/2017 - 12:00
Snowpack Observation 		Trimmer Peak
Luther Pass Area (including Job and Freel) 		Professional Observer
01/16/2017 - 10:28
Snowpack Observation 		Tallac
Desolation Wilderness Area (including Emerald Bay) 		Snow transport over tallacs summit N bowl Public
01/16/2017 - 10:00
Snowpack Observation 		Herlan Peak
East Shore Area 		Avalanche debris on the uphill side of trees.Blowing snow in the distance on Freel Peak. Forecaster

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