Please remember that these observations indicate what was going on in the snowpack at a single point in time and space. They may not represent conditions where you are or where you plan to be. They also come from a variety of sources. SAC cannot vouch for the quality or accuracy of any observations that come from the general public. Some of these may be professional quality observations; some may not. Please use observations listed on this page as part of your information gathering process, but as always don't make decisions based on a single piece of information.

If you are looking for more information on how to understand the information on this page, all of the pit data graphs and stability tests are part of what is presented in a Level II avalanche class that follows the American Avalanche Association (AAA) or American Institute for Avalanche Research and Education (AIARE) curriculum guidelines. All of the coding and abbreviations for data presented follows the publication Snow, Weather, and Avalanches: Observational Guidelines for Avalanche Programs in the United States (SWAG) which is the standard for all professional avalanche programs in the US. An electronic copy is available here. Most of what you are looking for is in Chapter 2 and Appendix F part 1. We use a program called SnowPilot to create the snowpit graphs. This program is available as a free download at http://www.snowpilot.org/. A video on how to download and use this program is available here. Please send us your observations using the buttons below.

Location Region Observation Type Date and time of observation or avalanche occurrence Avalanche observation video Avalanche photos Snowpit videos (tests, etc) Snowpack photos Snowpit or crown profile photo or graph Observation made bysort descending
Andesite Peak Donner Summit Area Snowpack Observation 03/13/2017 - 10:10 Educator
Donner Summit Avalanche Seminars
1 km W of Castle Peak Donner Summit Area Snowpack Observation 12/19/2016 - 13:00 Educator
Donner Summit Avalanche Seminars
South Side Castle Peak Donner Summit Area Snowpack Observation 03/29/2017 - 11:30 Educator
Sierra Nevada College
Andesite Peak Donner Summit Area Snowpack Observation 02/24/2017 - 10:45 Educator
Donner Summit Avalanche Seminars
Donner Ridge Donner Summit Area Snowpack Observation 03/12/2017 - 10:05 Educator
Donner Summit Avalanche Seminars
Donner Ridge Donner Summit Area Snowpack Observation 02/25/2017 - 10:30 Educator
Donner Summit Avalanche Seminars
South of Frog Lake Cliff Donner Summit Area Avalanche Observation 03/14/2017 - 10:15 Educator
Donner Summit Avalanche Seminars
Elephant's Hump Carson Pass Area Snowpack Observation 02/08/2017 - 11:30 Deep rain runnels and skier supportable conditions at 8,900'. Cracks associated with settlement of Feb 6/7 storm snow. Forecaster
Jakes Peak West Shore Area Snowpack Observation 02/25/2017 - 12:00 Forecaster
Mt. Tallac-The Cross Desolation Wilderness Area (including Emerald Bay) Avalanche Observation 03/25/2017 - 12:30 Skier descending onto slope before avalanche.Looking down avalanche debris.Looking up avalanche debris towards crown.Part of the crown. Forecaster
Tamarack Peak Mount Rose Area Snowpack Observation 04/17/2017 - 11:45 Foggy/misty conditions on Tamarack Peak. ECTN results in testpit. Forecaster
Stanford Rock Blackwood Canyon or Ward Canyon Area Snowpack Observation 01/17/2017 - 11:30 1/12 rain crust at 6700' on North aspect 2-3mm surface hoar below 7000'.  In areas near creek up to 2-3cm in size. Forecaster
Incline Lake Peak Mount Rose Area Snowpack Observation 03/28/2017 - 12:00 Wind scouring near the summit of Incline Lake Peak. False color image of small loose wet point releases near rocks on a sun-exposed SE aspect at 8400 ft. Forecaster
Relay Peak Mount Rose Area Snowpack Observation 12/15/2016 - 12:30 55 gallon size cornice chunks Forecaster
Elephant's Hump Carson Pass Area Avalanche Observation 01/02/2017 - 12:20 Crown of the avalanche from near the trigger point on a lower angle slope with some small trees.Crown of the avalanche from near the trigger point on a lower angle slope with some small trees.Debris on the smaller flank of the avalanche. As it wraps around the corner the slope becomes larger and more open.Shooting cracks on a wind loaded slope triggered by a skier on the ridge. Forecaster

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