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
12/16/2020 - 14:00 Ellis Peak West Shore Area Snowpack Observation Guide
Blackbird Mountain Guides
12/16/2020 - 14:00 Donner Rest Area Donner Summit Area Snowpack Observation Public
12/17/2020 - 08:00 Billy's Peak Cabin Creek, Deep Creek, or Pole Creek Area Avalanche Observation Forecaster
12/17/2020 - 10:45 Cabin Creek Snowpack Observation Guide
West Wind Collective
12/17/2020 - 11:30 Silver Peak Cabin Creek, Deep Creek, or Pole Creek Area Snowpack Observation ECTP-22 on Dec 11 PWL. Northerly below treeline terrain. Light to moderate NE winds scouring start zones and moving snow to SE-S aspects along ridge. SE-S aspects had minimal snow for travel. Forecaster
12/17/2020 - 14:30 1k south of the grills Little Truckee Summit Areas Snowpack Observation Public
12/18/2020 - 07:45 Powderhouse Snowpack Observation Public
12/18/2020 - 08:30 Hawk's Peak Donner Summit Area Snowpack Observation Public
12/18/2020 - 10:00 Rubicon Peak West Shore Area Snowpack Observation Public
12/18/2020 - 10:45 Elephants Hump Carson Pass Area Snowpack Observation Widespread surface hoar and graupel. Formation of windslab on west aspect from recent easterly winds. Distinct layers from top to bottom. Various layers of new snow, melt freeze crusts and Dec. 11th PWL , Professional Observer
12/18/2020 - 11:00 Powderhouse Peak Luther Pass Area (including Job and Freel) Snowpack Observation Large grain facets remain under the recent storm snow. 2 small whumpfs felt in lower elevation open treed area. More P-tex needed on the rock skis after today Forecaster
12/18/2020 - 11:00 Blue Lakes Carson Pass Area Snowpack Observation Professional Observer
12/18/2020 - 12:00 Red Lake area Carson Pass Area Snowpack Observation Eastern aspect snow pit. In tree line and 75 cm deep Eastern aspect snow pit. In tree line and 75 cm deep Eastern aspect snow pit. In tree line and 75 cm deep North/northwest aspect snow pit. In tree line and 130 cm deep Snow from Dec 11 facet Snow from Dec 11 facet Eastern aspect slope with small dry loose avalanche Public
12/18/2020 - 12:00 Bear Valley Bear Valley Area Snowpack Observation Public
12/18/2020 - 12:00 Silver Peak Cabin Creek, Deep Creek, or Pole Creek Area Snowpack Observation Surface Hoar_close up Surface Hoar Dec 11th Facets Guide
Alpenglow Expeditions

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