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. BAC 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 snowpit 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 two apps - SnowPilot and AvyLab - to create the snowpit graphs. These apps are available as downloads: click here for the free SnowPilot download; for AvyLab, visit Apple's AppStore or the AvyLab website

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
Black Mountain BWRA Snowpack Observation 01/12/2019 - 13:42 From Big Valley Lake Avalanche Specialist
Hwy 108 - People's Gate to Leavitt Meadows BWRA Snowpack Observation 01/12/2017 - 12:00 Avalanche Specialist
BWRA BWRA Snowpack Observation 01/24/2017 - 12:00 Avalanche Specialist
Deadman Creek BWRA Snowpack Observation 04/16/2018 - 14:04 3-4mm Graupel New snow @ Sonora Snotel Graupel & Rime 25cm deep Avalanche Specialist
Leavitt Drainage BWRA Snowpack Observation 01/18/2019 - 13:00 Avalanche Specialist
Virginia Lakes indicator slopes Other Area Avalanche Observation 01/25/2018 - 01:59 Avalanche Specialist
Wind Slab Avalanche Above Leavitt Lake Road BWRA Avalanche Observation 02/03/2017 - 19:00 Avalanche Specialist
Dunderberg Peak Other Area Snowpack Observation 12/13/2018 - 15:20 Dunderberg Avalanche Specialist
Leavitt Lake Cirque BWRA Avalanche Observation 04/01/2017 - 14:17 Above Sardine Creek Sardine Pit Sardine Test Sled Slopecut Avalanche Specialist
Voodoo Bowl BWRA Snowpack Observation 02/08/2018 - 12:50 RnR PCT Crossing Test Pit Avalanche Specialist
McKay Creek Drainage BWRA Snowpack Observation 02/19/2018 - 12:04 12cm new 10K' 5" new Avalanche Specialist
Above Leavitt Lake BWRA Snowpack Observation 02/14/2017 - 11:45 Avalanche Specialist
Sardine Can Wall BWRA Snowpack Observation 12/22/2018 - 12:00 Avalanche Specialist
Leavitt Junction BWRA Snowpack Observation 04/13/2017 - 15:15 Avalanche Specialist
Twin Lakes Other Area Snowpack Observation 02/12/2019 - 11:07 Windy Avalanche Specialist

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