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 Region Observation Type Photos Snowpack, Avalanche, Weather Videos Snowpit videos (tests, etc) Observation made by
03/01/2022 - 12:30 Mt. Rose Mount Rose Area Snowpack Observation Pinwheels on an E aspect around 10 am. Wind scoured surfaces on a NE aspect at 10000 ft. ECTN on a NE facing slope at 9600 ft. Forecaster
03/01/2022 - 12:00 Echo Bowl Echo Summit Area Snowpack Observation Professional Observer
03/01/2022 - 12:00 Steven's Peak Carson Pass Area Snowpack Observation NE to E aspect terrain holding snow. SE to S aspects back to bare ground. Rough snow surface from pre-storm starting to reemerge. Minor skier triggered pinwheels on NE aspect terrain. Forecaster
02/28/2022 - 12:30 Outside Heavenly Resort Boundary Carson Pass Area Snowpack Observation Public
02/28/2022 - 11:30 Talking Mountain Echo Summit Area Snowpack Observation Cold unconsolidated snow still existed on shaded north aspects. Some wind scouring from previous NE winds Large sections of ridge route on south aspects burnt off. Burnt trees and melting snow Runnels in the snow surface indicating melt water drainage. Many areas on the S-facing side of the ridge were completely free of snow. Thin melt freeze crust on sunny aspects. This crust melted away quickly as the day warmed up. Forecaster
02/27/2022 - 19:45 Ebbets Pass Ebbetts Pass Area Snowpack Observation Public
02/27/2022 - 13:30 Red Lake Peak Carson Pass Area Snowpack Observation Educator
Lake Tahoe Community College - Wilderness EducationhL
02/27/2022 - 12:00 Slab Cliffs Mount Rose Area Snowpack Observation Pinwheels up to 2 ft in diameter on an SE aspect at 9600 ft. Small roller balls that occurred near rocks on a SE aspect sometime between 9am and noon. NE wind scoured surfaces on a NE facing slope near a ridge at 9600 ft. ECTN looking at the recent snow above the old facets on a NW aspect at 9100 ft. Fragile cornice above a E-SE aspect near the ridge. It broke easily when I kicked it but did not produce any cracking in the slope below. Forecaster
02/27/2022 - 10:00 Castle Peak Donner Summit Area Snowpack Observation Public
02/26/2022 - 14:12 Ebbetts Pass Ebbetts Pass Area Snowpack Observation Public
02/26/2022 - 13:00 Carpenter Ridge Independence Lake Area Snowpack Observation ECTN on a NNE facing slope at 8200 ft where we felt an isolated and small collapse. Wet snow and a sun crust on a W aspect @ 7380 ft. Boot-top deep soft snow along Carpenter Ridge. If the winds get strong enough this snow could get blown around. Areas of bare ground melting out on sunny slopes below 7000 ft. Forecaster
02/26/2022 - 12:20 Rubicon Peak West Shore Area Snowpack Observation Public
02/25/2022 - 23:18 Tallac Desolation Wilderness Area (including Emerald Bay) Snowpack Observation Looking up at the SE facing cliffs boring north bowl on Tallac. There was minimal evidence of previous wet loose activity below. Looking at the SE facing part of the Corkscrew slide path and it had virtually no previous wet loose activity. Minimal evidence of wind effect below ridges. Ample evidence of wind effect on ridges. Looking up towards the SE cliffs at noon and there was still very little evidence of wet loose activity. Professional Observer
02/25/2022 - 12:30 Deep Creek Cabin Creek, Deep Creek, or Pole Creek Area Snowpack Observation Thin frozen sun crust in the shade of a tree on a SE aspect @ 7800 ft in the top photo and soft moist snow above cold dry snow in a sunny spot on the same slope. 3 of 7 test pits at various locations between 6300 ft and 8200 ft on N and NE aspects. See text for details. Cornice pieces dropped on a small wind-loaded test slope. They did not trigger any cracks or signs of wind slab instability. Recent sluffs of cold dry snow on steep terrain. Tiny roller-balls were the only signs of wet snow on sunny slopes. Forecaster
02/25/2022 - 12:00 Blue Lakes Carson Pass Area Snowpack Observation Public