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
01/31/2018 - 13:00
Snowpack Observation 		Castle Peak
Donner Summit Area 		Large cornices exist along the Castle/Basin Ridgeline. Forecaster
02/01/2018 - 00:00
Snowpack Observation 		Mt. Lola/Upper Cold Stream
Independence Lake Area 		No signs of problematic stability in testpit.Skier triggered roller balls on ESE aspect at ~8,700'.Skier triggered roller balls on E aspect at ~8,700'. Forecaster
02/01/2018 - 13:30
Snowpack Observation 		Crest above Pole Creek
Donner Summit Area 		Old wind slab avalanche above Deep CreekLimited Coverage Near AndersonOld wind slab and cornice debris Guide
Tahoe Mountain Scho
02/02/2018 - 10:15
Snowpack Observation 		Lincoln Valley
Yuba Pass Area 		Recent roller balls created by snow falling from sun exposed trees onto colder shaded N aspect terrain did not produce any degree of loose wet avalanche activity. Forecaster
02/02/2018 - 12:15
Snowpack Observation 		N. Ridge of Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		ECTP 29 SP @68 cm Educator
Tahoe Mountain Scho
02/02/2018 - 12:30
Snowpack Observation 		Fireplug
Mount Rose Area 		Small roller balls and pinwheels on a SE aspect at 9100 ft. Forecaster
02/03/2018 - 12:00
Snowpack Observation 		Red Lake Peak SW
Carson Pass Area 		Thin but usable snowcover on SW flank of Red Lake Peak (SE-S-SW aspects)2 inches of surface wet snow. Rain crust below glove providing supportability.Skier triggered roller balls on micro E aspect on gully wall (back of photo). Forecaster
02/03/2018 - 13:30
Snowpack Observation 		Underwood Bowl
Bear Valley Area 		2 to 5 cm (1 to 2 in) of corn snow on a S aspect at 3:00 pm.Patchy snow cover on SE-S-SW aspects in the area. Recent cornice collapses and good snow cover on NE aspects.Snow cover on N aspects and lack of snow cover on S aspects in the distance 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
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 - 14:00
Snowpack Observation 		SW Face of Basin Peak
Donner Summit Area 		Educator
Tahoe Mountain Scho
02/05/2018 - 12:00
Snowpack Observation 		W ridge Castle Pk
Donner Summit Area 		Educator
Donner Summit Avalanche Semina
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
02/06/2018 - 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
02/06/2018 - 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

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