These observations document past conditions at a small and variable scale. They are not too 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 Region Observation Type Photos Snowpack, Avalanche, Weather Videos Snowpit videos (tests, etc) Observation made by
11/29/2021 - 14:00 Ebbetts Peak Ebbetts Pass Area Snowpack Observation Professional Observer
11/29/2021 - 11:30 Castle Peak Donner Summit Area Snowpack Observation Weak facets below surface rain crust on well shaded E aspect around 7,500'. Weak facets below surface rain crust on well shaded E aspect around 7,500'. F hard surface facets on top of rain crust, N aspect at around 8,200'. Foot punch through surface rain crust into facets on shaded WNW aspect at around 8,400'. Melted south aspects, snow covered north aspects. Forecaster
11/28/2021 - 13:00 Elephants Back Carson Pass Area Snowpack Observation Mixed trail of snow and dirt. Flowing drainages throughout the tour. Melt freeze crust on the surface. Pit profile Thinning snowpack looking towards Blue Lakes from Elephants Back Looking out towards Meiss Meadow. Professional Observer
11/24/2021 - 11:00 Tamarack Peak Mount Rose Area Snowpack Observation Patchy snow cover existed on the north aspects below 9000 ft with dirt on other aspects. Snow coverage improved on northerly aspects at higher elevations. Forecaster
11/24/2021 - 08:33 Silver Peak Cabin Creek, Deep Creek, or Pole Creek Area Snowpack Observation surface crust w/bed of facets, superficial crust, facets XXX mark facets separating the crusts a slightly different location (still in the Norths) showing a thicker surface crust with about 6-8cm of sugar facets below  with about Public
11/23/2021 - 11:50 Kirkwood - Sentinel Bowl Carson Pass Area Snowpack Observation Public
11/22/2021 - 12:00 Elephants Back Area Carson Pass Area Snowpack Observation The surface rain crust in on a N aspect at ~8650 ft. It was thin and breakable in this area with weak snow below it. The layer of ice at the base of the snowpack. N Facing aspects on Round Top. We could see the glare of crusts on the surface as the sun reflected off them. The sun exposed southerly aspects on Red Lake Peak were bare ground. Forecaster
11/19/2021 - 16:25 Noble canyon trailhead Ebbetts Pass Area Snowpack Observation Public
11/19/2021 - 11:00 Tamarack Peak Mount Rose Area Snowpack Observation The middle part of the snowpack continues to facet and weaken over time. Continuous snow coverage above 9000' on N and E aspects. Very minor cracking in a couple areas right off the ridge with up to 4'' of wind slab. Forecaster
11/16/2021 - 23:15 Rubicon Peak West Shore Area Snowpack Observation Little to no snow cover on northerly aspects below 7,800'. Continuous snow cover at about 8,200' on northerly aspects. A 2 to 2.5 foot deep snowpack just below 9,000' on N aspect terrain. Artificial load of 15 cm slab on PST gave PST 28/100 end result on facets below surface crust. Looking south from near the summit of Rubicon shows snow covered northerly aspects. Looking north from near the summit of Rubicon Peak shows mostly bare ground on southerly aspects and lower elevation areas. Forecaster
11/15/2021 - 23:15 Mt. Lola - NE Ridge Independence Lake Area Snowpack Observation Patchy snowcover on the transition from NE to E aspects around 7,800' Supportable wet snow, corn like conditions on NNE aspects we traveled in the 7,800' to 8,500' elevation range. Looking across at the Mt. Lola summit bowl (8,800' to 9.000' N-NE-E aspects), snowcover appeared decent. Forecaster
11/14/2021 - 14:32 Red lake peak Carson Pass Area Snowpack Observation Sun crust Breakable crust Shark bite Guide
Blackbird Mountain Guides
11/13/2021 - 11:30 Mt. Tallac Desolation Wilderness Area (including Emerald Bay) Snowpack Observation Looking south at the north facing slopes of South Bowl on Tallac. Looking west from near the Tallac summit at the Crystal Range. Looking down North Bowl on Tallac. Professional Observer
11/13/2021 - 09:00 Elephant's Back Carson Pass Area Snowpack Observation Sunshine and rockfall Thin coverage on the approach Public
11/12/2021 - 11:00 East Ridge of Tamarack Peak Mount Rose Area Snowpack Observation ECTN below the old rain crust on a developing layer of weaker snow Breakable crust on shaded aspects Soft wet surface snow on sunny aspects Lots of exposed bushes, areas of dirt, and creeks Clouds iand fog indicating inversion conditions until about 11am. Forecaster