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 Media Observation made by
02/21/2021 - 12:00

Avalanche Observation
Polaris Bowl and Upper Blue Lakes

Carson Pass Area
Public
02/21/2021 - 12:00

Snowpack Observation
Talking Mountain

Echo Summit Area
Little cohesive snow on a small cornice Significant evidence of recent rime on trees near the Talking Mt. ridge. Looking back Ralston and there was evidence of recent avalanche activity in the bowl to the south of the peak, possibly with cornice break as the trigger. Some surface hoar along the tour both on the Talking ridge and here on the north east side of Flagpole in the early afternoon. There had been significant previous loose wet slides on the NE side of Flagpole. Professional Observer
02/21/2021 - 10:30

Snowpack Observation
Lincoln Ridge

Yuba Pass Area
Wind scoured areas with exposed rain crust on the ridge. Surface hoar in open sheltered areas in the morning. Ice coated trees from the recent freezing rain event. Small signs of settlement around some trees. Looking at how the snow is changing around the recent rain crusts Forecaster
02/21/2021 - 10:30

Avalanche Observation
Incline Peak

Mount Rose Area
Public
02/20/2021 - 14:45

Snowpack Observation
Backside of Incline Peak

Mount Rose Area
Signs of wind-blown snow along ridgeline NE of Rose Knob on backside of Incline Peak Zoomed-in view of ridgeline showing wind-loading Public
02/20/2021 - 14:36

Avalanche Observation
1/4 mile north of mt Lola

Little Truckee Summit Areas
Public
02/20/2021 - 13:56

Snowpack Observation
Observation point Shirley canyon

Cabin Creek, Deep Creek, or Pole Creek Area
wind slab pocket cracked under skis Guide

Alpenglow Expeditio
02/20/2021 - 13:30

Avalanche Observation
Horse Canyon

Bear Valley Area
Public
02/20/2021 - 12:30

Snowpack Observation
Tragedy Springs

Carson Pass Area
Test slope #1 Public
02/20/2021 - 10:30

Snowpack Observation
Saddle between Scotts Lake and Big Meadow

Carson Pass Area
Public
02/20/2021 - 09:00

Snowpack Observation
Andesite Peak

Donner Summit Area
Two small wind slabs, both intentionally triggered. Wind slabs failing on a density change mid height within the wind drifted storm snow. Storm slab cracking while breaking trail. Large grauple at the old/new interface on top of rain crust. More clearing than expected leading to minor snow surface warming. Forecaster
02/19/2021 - 16:00

Snowpack Observation
Mt tamarack

Mount Rose Area
Public
02/19/2021 - 11:30

Snowpack Observation
Tamarack Peak

Mount Rose Area
Ski kick triggered cracking along the east ridge of Tamarack Peak. These wind slabs remained shallow and only extended a few feet down slope. Ski kick triggered cracking along the east ridge of Tamarack Peak. These wind slabs remained shallow and only extended a few feet down slope. this was the largest one we saw. Fragile cornices on the Prolateriate ridgeline. Cornices built out along the east ridge of Tamarack Peak. ECTP's on a NE facing wind-loaded test slope at 9800 ft near the top of Tamarack. Blowing snow and sun trying to poke through the clouds. Wind scoured surfaces on windward aspects. Forecaster
02/19/2021 - 09:00

Snowpack Observation
Hope Valley / Tamarack Junction

Carson Pass Area
Public
02/19/2021 - 07:00

Avalanche Observation
Tamarack Peak

Mount Rose Area
Public

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