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
02/07/2018 - 10:35
Snowpack Observation 		Lincoln Valley
Yuba Pass Area 		Thin melt-freeze crust on shaded N aspect at ~7,350'.Cold unconsolidated snow under the melt freeze crust on same N aspect at ~7,350'. Forecaster
02/07/2018 - 10:49
Snowpack Observation 		Cathedral bowl
Desolation Wilderness Area (including Emerald Bay) 		Guide
Tahoe Mountain Scho
02/08/2018 - 10:00
Snowpack Observation 		South of Grouse Rock
Blackwood Canyon or Ward Canyon Area 		Educator
Donner Summit Avalanche Semina
02/08/2018 - 11:30
Snowpack Observation 		Mt. Houghton
Mount Rose Area 		S/SE face of Mt. Houghton2'' of soft corn snow existed on a supportable base at 11:30am, just below 10,000' on Mt. Houghton on SE aspect.Ski cuts on a steep E aspect, 9200', at 12pm produced only small roller balls. Snow was punchy and transitional at location.Cold unconsolidated snow existed on shaded northerly aspects above 8600' throughout this area. Forecaster
02/09/2018 - 10:30
Snowpack Observation 		Castle Pass/Andesite Ridge
Donner Summit Area 		Thin, rapidly deminishing snowpack on SW side of Castle Pk.Deeper snowpack on E-NE aspects of Andesite Ridge.Snowpit at noted lat/long with inconsequential ECTN result within most recent storm snow. Forecaster
02/10/2018 - 12:00
Snowpack Observation 		Below Becker Peak
Echo Summit Area 		Professional Observer
02/10/2018 - 12:00
Snowpack Observation 		Tamarack Peak
Mount Rose Area 		Snowpit location at 9,000' with 1.3m deep snowpack on a N aspect and mostly bare ground on S aspects in the background.Frozen supportable snow surface on a sunny E aspect. This slope showed no signs of softening as of mid-day. Forecaster
02/10/2018 - 13:00
Snowpack Observation 		Castle Peak
Donner Summit Area 		Little to no softening of the snow surface on E-SE-S aspects through the dayCastle Ridge coverage Guide
Tahoe Mountain Scho
02/11/2018 - 11:00
Snowpack Observation 		Incline Peak
Mount Rose Area 		Rock hard icy conditions on tracked east facing slopes.Freshly transported snow just east of summit. Below treeline around 5 inches of soft near surface facets provided fun skiing. Professional Observer
02/11/2018 - 11:45
Snowpack Observation 		Castle Valley
Donner Summit Area 		Educator
Tahoe Mountain Scho
02/11/2018 - 12:00
Snowpack Observation 		Elephant's Hump
Carson Pass Area 		Looking across at the E and SE aspects of Red Lake Peak with the N aspects of Elephant's Hump in the foreground.Ski tracks showing soft snow in the shade and icy crusts in the sun.Significant melting that has occurred on an E-NE aspect at 7900 ft. on the skin into Elephants Hump. Forecaster
02/12/2018 - 11:00
Snowpack Observation 		Slab Cliffs
Mount Rose Area 		Skier triggered cracking on a very small, isolated wind slab on a WNW aspect at 9700 ft. Light wind scouring from recent NE winds. Forecaster
02/13/2018 - 12:00
Snowpack Observation 		Grouse Rock
Blackwood Canyon or Ward Canyon Area 		Wind scoured E aspect at 8300' on Grouse Rock.Very small superficial wind slab in near treeline terrainWind effected surface snow.Wind scoured N aspect at 8200'. Forecaster
02/14/2018 - 12:00
Snowpack Observation 		Meiss
Carson Pass Area 		Examining new wind slab of less than 2 inches deep and less than 6 foot downhill extent.Maximum extent of cracking observed in tiny, inconsequential wind slab. Forecaster
02/15/2018 - 11:15
Snowpack Observation 		Ellis Peak
Blackwood Canyon or Ward Canyon Area 		Tale of two aspects - 1.8m deep snowpack on N aspect in the foreground and obvoiusly thin snowpack on solar aspects in the background.Wind effected snow surface below treeline on NNW aspect.Minor, inconsequential wind slab noted in near treeline terrain. Forecaster

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