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
01/05/2018 - 12:00
Snowpack Observation 		Red Lake Peak
Carson Pass Area 		ECTP's on facet layer buried below slab.Coverage on N side Red Lake PeakSmall roller balls skier triggered. 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
01/04/2018 - 13:00
Snowpack Observation 		Mt. Judah
Donner Summit Area 		ECTP in an area where the loose weak snow had a small slab on top of it prior to last night's storm.Small loose wet roller balls on a N facing slope at 8000 ft. Forecaster
01/03/2018 - 13:22
Snowpack Observation 		below gate #2 N side of Smoothies Squaw
Cabin Creek, Deep Creek, or Pole Creek Area 		Guide
Alpenglow Expeditio
01/03/2018 - 13:10
Snowpack Observation 		Contact Pass
Mount Rose Area 		Minor cracking around my skis on a N_NE aspect at 9200 ft. Looking up at the coverage on N-NE aspects between 8800 and 10000 ft. while standing at 8600 ft. Coverage on E aspects between 8600 and 9600 ft. Forecaster
01/03/2018 - 12:20
Snowpack Observation 		West Grouse
Blackwood Canyon or Ward Canyon Area 		Thin but supportable snowcover on SE side of Grouse Rock.NE aspect at 8,100' with snowcover 30 cm or less under thick forest canopy. Over 100 cm snowpack in open areas on same slope.Minimal cracking in open below treeline area of soft slab over facets. Forecaster
01/02/2018 - 12:00
Snowpack Observation 		Castle Peak
Donner Summit Area 		Upper elevations on Castle Peak are firm, wind scoured surfaces on NW-N-NE aspects. Forecaster
01/01/2018 - 14:00
Snowpack Observation 		Donner Nordwand
Donner Summit Area 		Faceted snowpack on Donner Peak Guide
Alpenglow Expeditio
12/31/2017 - 13:14
Snowpack Observation 		Castle Pass
Donner Summit Area 		Educator
Tahoe Mountain Scho
12/30/2017 - 12:30
Snowpack Observation 		Deep Creek Crest
Cabin Creek, Deep Creek, or Pole Creek Area 		Firm crusts exist along ridges and wind scoured areas.ECTPV result - failure on isolation.Facets under 25 cm slab in snowpit.Rare location of faceted snow on S aspect along shaded creekbed at approximately 7200'. Forecaster
12/30/2017 - 11:00
Snowpack Observation 		Crater Lake
Carson Pass Area 		Professional Observer
12/29/2017 - 14:30
Snowpack Observation 		Keiths Dome
Echo Summit Area 		Public
12/29/2017 - 14:00
Snowpack Observation 		NE ridge of Granite Chief Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		Weak, faceted snow under the slab.25cm thick slab sitting on top of Facets. Guide
Alpenglow Expeditio
12/29/2017 - 12:30
Snowpack Observation 		Woods Lake
Carson Pass Area 		Cracking around skis in below treeline terrain down to weak faceted snow.Small test slope-BTL terrain, northerly aspect. Whumpfing occurred when 1 skier got on slope.Several layers separated by thin crusts with weak faceted snow below. Forecaster
12/29/2017 - 09:40
Snowpack Observation 		lee side of Basin Peak
Donner Summit Area 		Guide
Donner Summit Avalanche Semina

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