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 by
Deadman Creek BWRA Snowpack Observation 04/16/2018 - 14:04 3-4mm Graupel New snow @ Sonora Snotel Graupel & Rime 25cm deep Avalanche Specialist
Ski Lake Drainage BWRA Snowpack Observation 04/03/2018 - 14:02 Avalanche Specialist
Sonora Pass Snotel BWRA Snowpack Observation 03/16/2018 - 14:32 55cm HN24 chest deep walking to snotel Avalanche Specialist
BWRA BWRA Snowpack Observation 03/15/2018 - 14:00 12'' of fresh low visibility Professional Observer
Lately @ the BWRA BWRA Snowpack Observation 03/12/2018 - 11:22 Sardine Can Wall Hoover Wness Leavitt Snotel Measurements Avalanche Specialist
Recap of Last Week BWRA Snowpack Observation 03/10/2018 - 08:56 Settlement cracks Virginia Lakes ridgetop winds Many Large Old Trees Down Twin Lakes Avalanche Specialist
Sonora Pass/Sardine Creek BWRA Snowpack Observation 03/09/2018 - 14:00 Halfway to the ground Sun is gaining intensity Professional Observer
Eagle Meadows Play Hill Other Area Snowpack Observation 03/07/2018 - 12:00 Public
Sardine Crk Switchback BWRA Snowpack Observation 02/27/2018 - 12:18 Facet Ice Sangwich 2.5" new New Avalanche Signboard Avalanche Specialist
East of "Big Easy Bowl" BWRA Snowpack Observation 02/25/2018 - 11:40 Avalanche Specialist
Above Sardine Wall BWRA Snowpack Observation 02/23/2018 - 12:30 Professional Observer
NTL above Sardine Can Wall BWRA Snowpack Observation 02/22/2018 - 13:00 Public
Sardine Can Wall BWRA Snowpack Observation 02/20/2018 - 14:34 2cm new (0.8") Avalanche Specialist
McKay Creek Drainage BWRA Snowpack Observation 02/19/2018 - 12:04 12cm new 10K' 5" new Avalanche Specialist
McKay Creek BWRA Snowpack Observation 02/16/2018 - 11:00 Test Pit Minor Cracking Minor cracking as we skinned through Professional Observer

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