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
01/09/2018 - 12:00
Snowpack Observation 		Elephants Hump
Carson Pass Area 		Natural cracking down into facet layer.More natural cracking down into facet layer.Still more natural cracking down into facet layer. Forecaster
01/09/2018 - 11:30
Snowpack Observation 		Tamarack Peak
Mount Rose Area 		Small wind slab failure resulting from a ski cut on a small wind-loaded test slope near the ridge at 9700 ft. on a NE aspect.ECTN on a N aspect at 10200 ft. on My Houghton. This test was representative of the other snowpit tests we performed today. Forecaster
01/09/2018 - 02:00
Avalanche Observation 		Elephants Hump
Carson Pass Area
Forecaster
01/08/2018 - 12:45
Snowpack Observation 		Andesite Ridge/Peak
Donner Summit Area 		Educator
Donner Summit Avalanche Semina
01/08/2018 - 10:30
Snowpack Observation 		Rubicon Peak
West Shore Area 		ECTP8 on a N aspect at 8600 ft. A moist to wet facet layer below Friday night's snow was the failure layer. Forecaster
01/07/2018 - 14:45
Snowpack Observation 		Bear Valley
Bear Valley Area 		Public
01/07/2018 - 14:25
Avalanche Observation 		Proletariat Bowl Skier's Right
Mount Rose Area 		Public
01/07/2018 - 14:09
Snowpack Observation 		Castle Pass
Donner Summit Area 		Facets below crustFirm crust on all aspects Guide
Tahoe Mountain Scho
01/07/2018 - 14:00
Snowpack Observation 		Woods Lake
Carson Pass Area 		Minor cracking on a test slope at about 8400'.Rollerballs on steep slopes with exposed rocks. Public
01/07/2018 - 12:30
Snowpack Observation 		Red Lake Peak
Carson Pass Area 		Skier triggered cracking on a northerly aspect at ~8600 ft. where a 10 ft. x 10 ft. whumpf occurred. The weak layer was moist facets below a rain crust at the base of the new snow.ECPT on a N aspect @ 8880 ft. The weak layer was moist to dry facets below a rain crust at the base of the new snow. Forecaster
01/06/2018 - 13:00
Snowpack Observation 		East Ridge Relay Peak
Mount Rose Area 		Large shooting cracks where storm snow sits on top of old near surface facets. 9400' N aspect.Same area as Photo #1. 9400' N aspect.ECTP11 on old near surface facets below the new storm snow. 9600' on N aspect in below treeline wind protected terrain. Forecaster
01/06/2018 - 12:30
Snowpack Observation 		Andesite Ridge
Donner Summit Area 		Breakable Crust on Andesite RidgeCastle Peak with lift clouds around 12 30 Educator
Tahoe Mountain Scho
01/06/2018 - 12:07
Snowpack Observation 		Test slope just north of Frog Lake
Carson Pass Area 		Public
01/06/2018 - 06:00
Avalanche Observation 		Twin Peaks
Blackwood Canyon or Ward Canyon Area 		Public
01/06/2018 - 03:00
Avalanche Observation 		Elephant's Back
Carson Pass Area
Public

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