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
02/03/2018 - 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
02/03/2018 - 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
02/02/2018 - 12:30
Snowpack Observation 		Fireplug
Mount Rose Area 		Small roller balls and pinwheels on a SE aspect at 9100 ft. 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 - 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
02/01/2018 - 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
02/01/2018 - 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
01/31/2018 - 13:00
Snowpack Observation 		Castle Peak
Donner Summit Area 		Large cornices exist along the Castle/Basin Ridgeline. Forecaster
01/31/2018 - 11:00
Snowpack Observation 		Slab Cliffs
Mount Rose Area 		Maximum extent of loose wet instability observed. SE aspect at 9,640' at 1:40pm. Wet surface snow only 1.5 inches deep. Forecaster
01/31/2018 - 10:00
Snowpack Observation 		Becker Peak
Echo Summit Area 		Snow under tree cover was wet and unsupportive by 8:30am.Previous wet loose avy activity on north facing slope.Partial ice/snow coverage on Echo Lake. Professional Observer
01/30/2018 - 13:00
Snowpack Observation 		Lake of the Woods
Independence Lake Area 		Snowpack tests in the crown of an avalanche thought to have occurred during or after the last storm cycle.Wet surface snow on E aspects in late morning hours. Forecaster
01/29/2018 - 13:45
Snowpack Observation 		Elephant's Hump
Carson Pass Area 		Skier triggered pinwheels and roller balls on a NE aspect at 8400 ft. at 1pm. Forecaster
01/29/2018 - 13:10
Snowpack Observation 		National Geographic Bowl, Granite Chief
Cabin Creek, Deep Creek, or Pole Creek Area 		Guide
Alpenglow Expeditio
01/29/2018 - 13:00
Snowpack Observation 		North Castle Peak
Donner Summit Area 		Public
01/29/2018 - 11:45
Snowpack Observation 		Ophir Peak
Mount Rose Area 		Small surface roller balls on northerly aspects, below 9000', in below treeline terrain. Some of these were from yesterday.More surface roller balls below 8500' on northerly aspects. Forecaster

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