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
02/24/2018 - 17:30

Snowpack Observation
Andesite Ridge

Donner Summit Area
Guide

Tahoe Mountain Scho
02/24/2018 - 16:15

Snowpack Observation
Andesite Peak

Donner Summit Area
Shooting crack on an E facing wind loaded test slope @ 7900 ft. after a few hard stomps The same test slope after a few more stomps. The wind slab slid down the small test slope. Forecaster
02/24/2018 - 13:30

Avalanche Observation
Glades east of Ralston Peak

Desolation Wilderness Area (including Emerald Bay)
Public
02/24/2018 - 12:39

Snowpack Observation
Thumb rock

Donner Summit Area
Public
02/24/2018 - 12:00

Snowpack Observation
Trimmer Peak

Luther Pass Area (including Job and Freel)
10' shooting cracks, while making switchback. shooting cracks Public
02/24/2018 - 10:00

Snowpack Observation
Incline Lake Peak

Mount Rose Area
Potentially problematic interface of recent storm snow on top of old near surface facets as seen in the pit wall. Newly formed cornices, easy to intentionally collapse onto small test slopes below. Newly formed wind slab fractured by a ski cut on this test slope. Moderate amounts of blowing snow. Forecaster
02/24/2018 - 10:00

Avalanche Observation
National Geographic Bowl, Granite Chief Peak

Cabin Creek, Deep Creek, or Pole Creek Area
Natural wind slab avalanche Shooting crack in obvious wind slab Guide

Alpenglow Expeditio
02/23/2018 - 14:30

Snowpack Observation
Thunder Mountain

Carson Pass Area
Public
02/23/2018 - 12:30

Snowpack Observation
top of NatGeo bowl

Cabin Creek, Deep Creek, or Pole Creek Area
Guide

Alpenglow Expeditio
02/23/2018 - 12:00

Snowpack Observation
Ebbetts Pass and Hiram Peak

Ebbetts Pass Area
Professional Observer
02/23/2018 - 11:00

Snowpack Observation
Castle Peak

Donner Summit Area
Cornice on the right (E aspect) and wind pillow on the left (W aspect) due to the shift from SW to NE winds. Wind scoured cornices on E aspect between Castle Pass and Castle Pk. Blowing snow along the Castle Pk - Basin Pk ridgeline. No signs of new wind slab formation. Forecaster
02/23/2018 - 09:00

Snowpack Observation
W end Boreal Ridge

Donner Summit Area
Guide

Donner Summit Avalanche Semina
02/22/2018 - 13:45

Snowpack Observation
Grouse rock

Blackwood Canyon or Ward Canyon Area
Small loose dry avalanche Skin track filled back in - less than 1 hour Guide

Tahoe Mountain Scho
02/22/2018 - 12:00

Snowpack Observation
Frog Lake Ridge

Carson Pass Area
Professional Observer
02/22/2018 - 11:00

Snowpack Observation
Incline Lake Peak/Slab Cliffs

Donner Summit Area
Forecaster

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