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

Locationsort descending 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
Above Koenig Lake BWRA Snowpack Observation 01/17/2017 - 12:30 Avalanche Specialist
Above Leavitt Creek BWRA Snowpack Observation 04/28/2017 - 15:00 Thickness Delicate Decomposition Avalanche Specialist
Above Leavitt Lake BWRA Snowpack Observation 01/14/2017 - 12:00 Bridgeport Avalanche Center - Jan 14th, 2017  - Leavitt Lake Area Avalanche Specialist
Above Leavitt Lake BWRA Snowpack Observation 02/14/2017 - 11:45 Bridgeport Avalanche Center - Feb 14 Conditions Report Avalanche Specialist
Above Leavitt Lake Rd BWRA Avalanche Observation 01/08/2017 - 01:25 Professional Observer
Above Sonora Pass, near PCT BWRA Snowpack Observation 12/29/2016 - 15:00 Surface Hoar Old Avalanche Crown Sun Crust Avalanche Specialist
After Avalanche Investigation @ Leavitt Creek BWRA Snowpack Observation 04/16/2017 - 12:30 Graupel Layer Leavitt Crk Avalanche Investigation Leavitt Crk Avalanche Investigation Leavitt Crk Avalanche Investigation Leavitt Crk Avalanche Investigation Avalanche Specialist
Avalanches around the BWRA BWRA Snowpack Observation 02/25/2017 - 12:00 Avalanche Specialist
Avalanches near Sardine Meadows - Hwy 108 BWRA Avalanche Observation 02/10/2017 (All day) Avalanche Specialist
Backside of MWTC BWRA Snowpack Observation 02/02/2017 - 14:30 Avalanche Specialist
Big Easy Bowl (Bowl NE of Ski Lake) BWRA Snowpack Observation 03/22/2017 - 13:00 Avalanche Specialist
BWRA BWRA Snowpack Observation 03/29/2017 - 12:00 Avalanche Specialist
BWRA BWRA Snowpack Observation 01/07/2017 - 13:02 Cornice broke tail end of last storm naturally. Elastic Deformation Cornice breaks with a mans weight at 12/15 faceted old snow interface Cornice failure propagates around rock Professional Observer
BWRA BWRA Snowpack Observation 01/24/2017 - 12:00 Avalanche Specialist
BWRA BWRA Snowpack Observation 03/14/2017 - 12:00 Avalanche Specialist

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