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
12/15/2022 - 12:00

Snowpack Observation
Mt. Judah

Donner Summit Area
Wind scouring on Judah ridge near radio towers. Previous skin track refill What was left of the low level fog blowing west in the early afternoon Guide

Tahoe Mountain Scho
12/15/2022 - 12:00

Snowpack Observation
Schoolhouse Canyon

East Shore Area
Professional Observer
12/15/2022 - 11:25

Snowpack Observation
North Mt. Lola

Little Truckee Summit Areas
Public
12/14/2022 - 14:00

Snowpack Observation
Relay Peak

Mount Rose Area
Guide

Alpenglow Expeditio
12/14/2022 - 13:00

Snowpack Observation
Elephant's Hump

Carson Pass Area
Impressive large surface hoar widespread above Red Lake. Close up of surface hoar Even more surface hoar Deep snowpack and more surface hoar Deep snowpit and Deep Tap test before Deep Tap test after DT 21 Looking across Red Lake at the SE slopes of Red Lake Peak Professional Observer
12/14/2022 - 12:00

Snowpack Observation
Blue Lakes

Carson Pass Area
Professional Observer
12/14/2022 - 12:00

Snowpack Observation
Silver Peak

Cabin Creek, Deep Creek, or Pole Creek Area
Natural avalanche failed on buried surface hoar on Sun Dec 11. Buried surface hoar seen on Dec 14, 6-8m. Location of buried surface hoar in meadow at 7260'. Small roller balls on SE-S aspects with wet surface snow and sun skin developing. Forecaster
12/14/2022 - 11:30

Snowpack Observation
Old Iron Mountain ski area

Outside of the Forecast Area
Public
12/14/2022 - 10:29

Snowpack Observation
Relay Peak

Mount Rose Area
Wind texture from E winds Snowmobile tracks on N aspect with no obvious instabilities Pinwheels on SW aspect near 9,400’ at 15:30 More wind scouring Public
12/13/2022 - 23:22

Snowpack Observation
Donner Summit / Judah

Donner Summit Area
Educator

Blackbird Mountain Guid
12/13/2022 - 16:30

Snowpack Observation
Spooner Summit

East Shore Area
Public
12/13/2022 - 12:30

Snowpack Observation
Tamarack Peak

Mount Rose Area
Forecaster
12/13/2022 - 12:00

Snowpack Observation
South Camp Peak

East Shore Area
Professional Observer
12/13/2022 - 11:00

Snowpack Observation
Red Lake Peak

Carson Pass Area
Crowns from recent avalanche activity run wider than this photo captures. More crowns run across most of this upper slope. Large abundant surface hoar above about 8400 feet. Professional Observer
12/13/2022 - 10:52

Snowpack Observation
Sunrise Bowl

Donner Summit Area
Public

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