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
12/21/2021 - 12:00 Deep Creek Cabin Creek, Deep Creek, or Pole Creek Area Snowpack Observation Dropping a firm cornice block onto a slope with minor cracking. Large surface hoar observed on northerly aspects below 7000' View into upper Pole Creek Wind affected surfaces near the ridgeline. Wind affected surfaces near the ridgeline. ECTN results while testing the hard wind slab on a wind-loaded test slope. Forecaster
12/20/2021 - 15:00 Blackwood Canyon Blackwood Canyon or Ward Canyon Area Snowpack Observation Public
12/20/2021 - 12:00 Incline Peak Mount Rose Area Snowpack Observation Evidence of blowing and drifting snow from yesterday. 1F+ hard wind slab over F hard old snow. 1F+ hard wind slab over F hard old snow with ECTP-8 result. Forecaster
12/20/2021 - 11:00 Silver Peak Cabin Creek, Deep Creek, or Pole Creek Area Snowpack Observation ECTP-12 on a P hard wind slab over 4F softer snow, 1 foot deep.  N aspect, 30 degree slope, just off ridgeline. New small wind deposits cracking with the weight of a skier No cornices built out on this ridge with wind scouring occurring 40-60 feet downslope Raised tracks and wind texture in open areas well below treeline terrain Forecaster
12/20/2021 - 10:30 Crater Lake Road Carson Pass Area Snowpack Observation Reverse skin tracks in open areas Cracks propagating through wind slab on test slope Stevens Peak is quite wind-scoured Public
12/20/2021 - 06:30 Lower Scott peak Five Lakes Area Snowpack Observation Public
12/19/2021 - 23:00 Carpenter Ridge Independence Lake Area Snowpack Observation Wind transport at 10:30AM. Old snowmobile track Wind loading with strong SW winds. Boot penetration to boot top. Illustrates snow available for transport. Small wind slab 8-10cm. Possible old crown.  Distance and lighting minimized our ability to discern details.  Arrows indicate crown. Public
12/19/2021 - 15:30 Ridge above red lake road toward Elephants Back Carson Pass Area Snowpack Observation Public
12/19/2021 - 13:15 Relay Ridge Mount Rose Area Snowpack Observation Test slope producing small windslabs Wind texture and drifting snow along the ridge Dec 9 facets rounding Educator
West Wind CollectivehW
12/19/2021 - 12:00 Red Lake Peak Carson Pass Area Snowpack Observation Professional Observer
12/19/2021 - 12:00 Just east of Monument Peak Luther Pass Area (including Job and Freel) Snowpack Observation Public
12/19/2021 - 10:30 Poulsen ridge below Silver Cabin Creek, Deep Creek, or Pole Creek Area Avalanche Observation Natural Windslab avalanche on the E side of SE ridge of Gold Peak Quick test pit on a similar aspect and elevation Public
12/19/2021 - 10:23 Mount Judah Donner Summit Area Snowpack Observation Guide
Tahoe Mountain SchoolhT
12/19/2021 - 10:17 Tamarack Peak Mount Rose Area Snowpack Observation Public
12/18/2021 - 14:58 NW round valley Donner Summit Area Snowpack Observation Ectp 25 @ 35cm down Guide
Blackbird Mountain GuideshB

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