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 Snowpack, Avalanche, Weather Images Observation made by
02/25/2023 - 14:30

Avalanche Observation
Lower Trimmer Trees

Luther Pass Area (including Job and Freel)
Ski cut line on the left, crown on the top/right The crown hugged the rock band Can see similar signs of wind affected snow adjacent to the crown Public
02/25/2023 - 14:00

Avalanche Observation
Donner Canyon

Donner Summit Area
one of our ECT's, Buried SH layer visible Avalanche crown we suspected was triggered during the day today Buried SH found 77 cm down in the snowpack Educator

Alpenglow Expeditions
02/25/2023 - 13:00

Snowpack Observation
Highland Lakes, Pacific Valley

Ebbetts Pass Area
Public
02/25/2023 - 12:43

Snowpack Observation
Trestle Peak

Donner Summit Area
Public
02/25/2023 - 12:40

Snowpack Observation
Rubicon

West Shore Area
Public
02/25/2023 - 12:30

Snowpack Observation
Andesite Ridge

Donner Summit Area
Public
02/25/2023 - 12:00

Snowpack Observation
Rose Knob

Mount Rose Area
Guide

Tahoe Mountain School
02/25/2023 - 12:00

Snowpack Observation
The Fireplug

Mount Rose Area
In exposed areas a wind affected snow was present and stiffened noticeably during the day. In exposed areas a wind affected snow was present and stiffened noticeably during the day. Riming indicates that northerly winds were present on N Fireplug during the precipitation on 2/24 Guide

Blackbird Mountain Guides
02/25/2023 - 11:00

Snowpack Observation
The Nipple

Carson Pass Area
110cm of snow since Tuesday, with a "right side up" hand hardness profile and no instabilities observed Professional Observer
02/25/2023 - 11:00

Snowpack Observation
Carson Pass South

Carson Pass Area
Intentionally triggered slide on the steep slopes near the trailhead. Small shooting cracks Low cloud ceiling made longer range observations challenging. Some cracking on a west facing test slope Settlement cone and a nearly buried XC trail marker Professional Observer
02/25/2023 - 11:00

Snowpack Observation
Spooner

East Shore Area
Public
02/25/2023 - 11:00

Avalanche Observation
PCT South of Carson Pass

Carson Pass Area
Looking up at the slide from mid slide Looking up at the slide from well below Looking up from near the toe of the debris Near the flank from lower angle terrain Crown detail Professional Observer
02/25/2023 - 10:30

Snowpack Observation
Tamarack

Mount Rose Area
Public
02/25/2023 - 10:00

Avalanche Observation
Trestle Peak

Donner Summit Area
Avalanche on low on Trestle Peak Avalanche on low on Trestle Peak Avalanche on low on Trestle Peak Avalanche on low on Trestle Peak Forecaster
02/25/2023 - 10:00

Avalanche Observation
Galena creek drainage

Mount Rose Area
Public
02/25/2023 - 09:30

Snowpack Observation
Ward/Blackwood Ridge

West Shore Area
Public
02/25/2023 - 03:03

Snowpack Observation
Mt Rose Area

Mount Rose Area
Public
02/24/2023 - 17:00

Snowpack Observation
Waterhouse peak

Luther Pass Area (including Job and Freel)
Public
02/24/2023 - 12:00

Snowpack Observation
Schoolhouse

East Shore Area
2ft of recent snow at this location. My shovel rests on the old snow surface Cracking observed when we got into wind drifted snow More cracking in wind drifted snow Grey stripe is a thin crust, with facets below it ECTs partially propagated on a crust/facet layer Professional Observer
02/24/2023 - 12:00

Snowpack Observation
Johnson Canyon

Donner Summit Area
I-80 westbound empty at midday Along steep sections of the skin track deep snow was fracturing in front of skis Along steep sections of the skin track deep snow was fracturing in front of skis In shallower areas <30cm skis penetrated to the 2/20 surface crust Guide

Blackbird Mountain Guides

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