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 Regionsort descending 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 by
BWRA Alpine Avalanche Observation 04/21/2018 - 13:35 Avalanche Specialist
Voodoo Bowl Avalanche Observation 03/27/2017 - 12:00 Avalanche Specialist
Horse Creek Avalanche Observation 03/17/2019 - 14:00 WL-N-R2D2 Pinwheel Public
Avalanches on All Aspects Avalanche Observation 03/04/2018 - 10:59 Avalanche Specialist
Lower Leavitt Lake Road Slide Path BWRA Snowpack Observation 02/24/2017 - 13:00 Avalanche Specialist
Above Ski Lake BWRA Snowpack Observation 01/24/2020 - 14:00 Professional Observer
Ski lake BWRA Snowpack Observation 01/04/2019 - 13:00 Professional Observer
Above PCT motorized crossing BWRA Avalanche Observation 12/30/2017 - 11:21 Avalanche Specialist
PCT Crossing - Sonora Pass BWRA Snowpack Observation 12/27/2016 - 15:00 Avalanche Specialist
Repeat Offender & Lil' Buddy BWRA Snowpack Observation 02/21/2019 - 15:00 PST Avalanche Specialist
Sonora Pass/Sardine Creek BWRA Snowpack Observation 03/09/2018 - 14:00 Halfway to the ground Sun is gaining intensity Professional Observer
Numerous Avalanches in the BWRA BWRA Avalanche Observation 03/17/2018 - 11:34 Avalanche Specialist
Lower Leavitt Lake Road Slide Path BWRA Snowpack Observation 03/07/2017 - 13:00 Avalanche Specialist
Leavitt Drainage BWRA Snowpack Observation 01/10/2019 - 12:30 Public
Repeat Offender BWRA Avalanche Observation 01/09/2018 - 13:37 LCM Avalanche Specialist


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