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
02/10/2018 - 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
02/10/2018 - 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
02/09/2018 - 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
02/08/2018 - 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
02/08/2018 - 10:00

Snowpack Observation
South of Grouse Rock

Blackwood Canyon or Ward Canyon Area
Educator

Donner Summit Avalanche Semina
02/07/2018 - 10:49

Snowpack Observation
Cathedral bowl

Desolation Wilderness Area (including Emerald Bay)
Guide

Tahoe Mountain Scho
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
02/06/2018 - 13:00

Snowpack Observation
Slab Cliffs

Mount Rose Area
Wind scoured exposed NE aspect at 9600 ft. Corn snow conditions on a SW aspect at 9600 ft. Forecaster
02/06/2018 - 11:35

Snowpack Observation
Rubicon Peak and Peak 9,269'

West Shore Area
Coverage on SE aspect of Peak 9269' at 8800'.  Little to no continuous snow below 8200'. Forecaster
02/05/2018 - 12:30

Snowpack Observation
Red Lake Peak

Carson Pass Area
Previous point release loose wet avalanche activity at 9000' on E aspect.Small roller balls on test slope.  E aspect at 11:45am. Forecaster
02/05/2018 - 12:00

Snowpack Observation
W ridge Castle Pk

Donner Summit Area
Educator

Donner Summit Avalanche Semina
02/04/2018 - 14:00

Snowpack Observation
SW Face of Basin Peak

Donner Summit Area
Educator

Tahoe Mountain Scho
02/04/2018 - 11:00

Snowpack Observation
Kings Realm

Bear Valley Area
Looking at S facing slopes across Mokelumne Canyon. N facing slopes in Kings Realm in the foreground.2 to 5 cm (1 to 2 in) of corn on a S aspect at 8000 ft. by 10:30 amS aspect on the lookers right and N aspect on the left. Photo is from standing at 8000 ft. on the ridge. Forecaster
02/04/2018 - 10:00

Snowpack Observation
Incline Peak

Mount Rose Area
Loose wet activity after a ski cut on a south facing test slope at 10am.North facing slopes around 9000 feet were "right side up" down a meter.Almost 170 cms of snow at 9000 feet on north facing slopes.South east face of Incline Peak. Professional Observer

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