The last forecast for the 2022-2023 season was posted on April 30th. Thanks to everyone who supported the Sierra Avalanche Center this season by submitting observations, assisting with education, volunteering, and/or donating.

The last forecast for the 2022-2023 season was posted on April 30th. Thanks to everyone who supported the Sierra Avalanche Center this season by submitting observations, assisting with education, volunteering, and/or donating.
The SAC Daily Flow is an avalanche risk management process, created by aligning professional best practices with the techniques already in use by savvy recreationists.
This user guide is not intended as a substitute for a formal avalanche education. Click on the following links to learn more about each step in the Daily Flow process:
The Daily Flow is printed on stickers available for free from SAC. These can be put onto skis/boards/snowmobiles, so the process is always visible and easy to reference:
This website is owned and maintained by the non-profit arm of the Sierra Avalanche Center. Some of the content is updated by the USDA avalanche forecasters including the forecasts and some observational data. The USDA is not responsible for any advertising, fund-raising events/information, or sponsorship information, or other content not related to the forecasts and the data pertaining to the forecasts.