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
03/20/2021 - 15:00 Donner Peak Donner Summit Area Avalanche Observation A wind slab avalnache on Donner Peak seen from I80 on 3/21/21 Forecaster
03/20/2021 - 12:50 Frog Lake Cliffs Donner Summit Area Avalanche Observation The torn up snow is where the victim parked their snowmobile. The footprints lead to the edge where the cornice broke. Overview of the slope the victim fell down. The arrow is where the person broke the cornice. Side view of upper part of the slope. The cornice that broke and the crown of the slab avalanche the cornice failure triggered. Overview of the slope. There is a helicopter about halfway up the slope on the right side for scale. The upper part of the slope. The lower part of the slope where the victim was found. Forecaster
03/20/2021 - 12:45 Red Lake Peak Carson Pass Area Avalanche Observation Public
03/20/2021 - 12:15 above Meiss meadow Carson Pass Area Avalanche Observation Overview of incident; crown, chute, entrance slide path, cliff hidden in pic 1, crowns runout, debris Public
03/20/2021 - 12:00 Hungalelti Ridge Carson Pass Area Snowpack Observation Professional Observer
03/20/2021 - 11:30 Rubicon Peak West Shore Area Snowpack Observation Breakable rain crust at 6,900' under 1 inch of new snow. Buried March 18 rain crust at 7,900'. One small loose wet avalanche seen on E face of Crag Pk at 11:30 am. It was not there at 10 am. A mix of sun and cloud cover during the morning hours. Forecaster
03/20/2021 - 10:33 Red Lake Peak Carson Pass Area Avalanche Observation Public
03/20/2021 - 09:00 Shirley Canyon Cabin Creek, Deep Creek, or Pole Creek Area Avalanche Observation Guide
Alpenglow Expeditions
03/19/2021 - 13:28 Andesite Peak Donner Summit Area Avalanche Observation crown below cornice fall triggered Avalanche Debris Side view of crown Guide
Alpenglow Expeditions
03/19/2021 - 13:20 Andesite Peak Donner Summit Area Avalanche Observation Public
03/19/2021 - 12:30 Galena Peak Mount Rose Area Avalanche Observation Public
03/19/2021 - 12:00 Castle Peak Donner Summit Area Snowpack Observation Large cornices broke easily with ski kicks well back from their edges. Shooting crack in a wind-loaded area near the summit of Castle above the skin track. This photo came from another party we encountered on our tour. Low visibility due to blowing snow and clouds near the summit of Castle Peak. A small cornice piece entrained some new snow as a sluff as it slid down this test slope. Large cornice pieces that triggered some cracking in the slope below. Forecaster
03/19/2021 - 12:00 Red Lake Peak Carson Pass Area Avalanche Observation Forecaster
03/19/2021 - 11:45 Crater Lake Carson Pass Area Snowpack Observation Public
03/19/2021 - 10:10 Mini Hump Carson Pass Area Avalanche Observation Crown View from the skin track Public

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