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
01/26/2019 - 11:00

Snowpack Observation
Incline Lake Peak

Mount Rose Area
Recent NE wind events have scoured near and above treeline terrain.  Northerly below treeline terrain like this provided wet and sticky surface snow by noon today below 8600'. On southerly aspects, 3-4'' of wet snow existed above a supportable snow surface. Forecaster
01/25/2019 - 11:00

Snowpack Observation
Rubicon Peak

West Shore Area
Thin melt-freeze crust on the snow surface. E aspect at ~9,000'. Limited, minor previous roller ball/loose wet instability on E aspects in Desolation Wilderness. Wind scouring down to exposed rain crust on NE side of Peak 9,269'. Forecaster
01/24/2019 - 13:00

Snowpack Observation
Waterhouse Peak

Luther Pass Area (including Job and Freel)
Cold snow with tree drippings on N aspects below treeline. Most prominent below 8,000'. Exposed rain cust visible above treeline in the distance on Steven's Pk, Red Lake Pk, and beyond. Cornices eroded by NE winds along the summit ridge. 1 cm melt freeze crust on S aspect at 9,490' Public
01/23/2019 - 13:30

Avalanche Observation
Castle Peak

Donner Summit Area
Small loose wet avalanches on south side castle peak Guide

Tahoe Mountain Scho
01/23/2019 - 13:00

Snowpack Observation
Ginny Creek and Slab cliffs

Mount Rose Area
Strong NW winds loading SE slopes Strong winds from multiple directions over the last few days have stripped snow from terrain constrictions on ridge tops ie “saddles” Wet surface snow and above freezing temps at 10 am Public
01/23/2019 - 12:30

Snowpack Observation
Back side of Houghton

Mount Rose Area
Public
01/23/2019 - 11:30

Snowpack Observation
Castle Peak

Donner Summit Area
Wind scoured N aspect terrain. Looking S along Andesite Ridge. Significant wind scouring across the ridgetop. Eroded cornices above SE aspect terrain. Wind scoured N aspect terrain at treeline. Significant settlement of recent storm snow on E side of Andesite. Forecaster
01/23/2019 - 09:15

Snowpack Observation
Porcupine Ridge

East Shore Area
SE aspects with dry/wintery snow above 9000 ft at 9:15 am Porcupine Ridge/ST terrain The observation wall of our profile Natural roller balls on E-SE terrain under rocks Public
01/23/2019 - 02:30

Snowpack Observation
Tinkers Knob Area

Cabin Creek, Deep Creek, or Pole Creek Area
Public
01/22/2019 - 22:00

Avalanche Observation
Flagpole Peak

Echo Summit Area
Public
01/22/2019 - 14:15

Snowpack Observation
Stevens

Carson Pass Area
Public
01/22/2019 - 11:45

Snowpack Observation
Angora Peak

Echo Summit Area
Surface hoar present from between 7000 - 8400 at all aspects in the morning. Settlement cone. Ridge just below Angora summit. Professional Observer
01/22/2019 - 11:15

Snowpack Observation
Relay Peak

Mount Rose Area
Public
01/22/2019 - 11:00

Snowpack Observation
Silver Peak

Cabin Creek, Deep Creek, or Pole Creek Area
Digging 2m deep test pit. Surface hoar still well preserved buried 1m down, but unreactive. NE winds scoured ridgetop and upper portion of N aspect start zones down to rain crust. Settlement of most recent storm snow. Forecaster
01/21/2019 - 15:30

Avalanche Observation
Mt. Rose proper (not the ski area)

Mount Rose Area
Public

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