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
03/30/2017 - 13:30
Snowpack Observation 		Andesite Ridge
Donner Summit Area 		Small 2 inch deep wind slab on a wind-loaded test slope at 8000 ft. A dusting of new snow on top of a breakable crust with wet snow down to the handle of the inverted pole at 7800 ft. Forecaster
03/30/2017 - 13:00
Snowpack Observation 		East Ridge Tamarack Peak
Mount Rose Area 		Small wind loaded test slope cracking. 9400', SE aspect. Shooting cracks off of ski tips. 8'' wind blown snow, 9200', SE aspect.N aspect starting zones scoured from gale force NW winds.Small wind slab test slope failure on undercut slope, S aspect, 9300'.Skin track refill within 20 minutes. Forecaster
03/29/2017 - 12:00
Snowpack Observation 		Fireplug/Mt. Rose
Mount Rose Area 		Small skier triggered loose wet instabilities on a SE aspect at 9700 ft. at 11:45 am1-2 inches of wet snow on top of a supportable melt-freeze crust on a S-SE aspect at 8800 ft. at 10:30 amDeep unsupportable wet snow on a S-SE aspect at 10:40 am at 9000 ft. Small skier triggered roller balls and pinwheels on a NW-N aspect at 8700 ft. at 12:15 pmLoose wet point releases on the E aspects in the sun and soft cold snow on the shaded areas that face north at 9:45 am Forecaster
03/29/2017 - 11:30
Snowpack Observation 		South Side Castle Peak
Donner Summit Area 		Educator
Sierra Nevada Colle
03/28/2017 - 12:50
Avalanche Observation 		Third Creek Drainage/Jennifer Street
Mount Rose Area
View down from near the trigger point.
 Public
03/28/2017 - 12:00
Snowpack Observation 		Incline Lake Peak
Mount Rose Area 		Wind scouring near the summit of Incline Lake Peak.False color image of small loose wet point releases near rocks on a sun-exposed SE aspect at 8400 ft. Forecaster
03/28/2017 - 11:00
Snowpack Observation 		Red Lake Peak
Carson Pass Area 		Firm conditions, not in melt phase on SSE aspect at 10:45 am. Forecaster
03/27/2017 - 13:00
Snowpack Observation 		Tamarack Peak
Mount Rose Area 		Wind slabs 8-12'' on E aspects, 9600'.Skin track refill occurring after 45 minutes Forecaster
03/27/2017 - 10:30
Snowpack Observation 		Lincoln Ridge
Yuba Pass Area 		Sunny skies in the Yuba Pass area with signs of rapid warming becoming evident at 9:45 am.Kicking small cornince sections on NE aspect at treeline at 7,800' produced no results on wind loaded slope below.Signs of rapid warming/wet snow instability on SE aspect test slope at 7,800' at 10:50 am. Forecaster
03/26/2017 - 13:00
Snowpack Observation 		Negro Canyon
Donner Summit Area 		Guide
Tahoe Mountain Scho
03/26/2017 - 11:00
Snowpack Observation 		Elephant's Hump
Carson Pass Area 		Difficult to see in photo, but minor amounts of blowing snow visible in near and above treeline areas.Sun/melt-freeze crust that existed in the vast majority of areas, including on some steeper and/or shaded N aspects.Signs of settlement of recent storm snow. Forecaster
03/25/2017 - 16:00
Snowpack Observation 		Talking Mountain/Becker Ridge
Echo Summit Area 		Public
03/25/2017 - 14:00
Snowpack Observation 		Negro Canyon
Donner Summit Area 		Guide
Tahoe Mountain Scho
03/25/2017 - 13:22
Avalanche Observation 		Outside of boundary in Snow Valley
Bear Valley Area
Public
03/25/2017 - 13:00
Snowpack Observation 		NE slope, Silver Peak
Cabin Creek, Deep Creek, or Pole Creek Area 		Public

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