Sierra Avalanche Center Motorized Avalanche Classes
Check out our Motorized Education page for avalanche classes. All the class dates are published and registration begins on a rolling basis.
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Published daily at 7am, stay in the know with the latest conditions.
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Contribute to the community by submitting your backcountry observation.
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Your contribution allows us to provide a free daily avalanche advisory and promote avalanche awareness.
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Understanding the Danger Scale
The North American Avalanche Danger Scale is a tool used by avalanche forecasters to communicate the potential for avalanches to cause harm or injury to backcountry travelers. This video provides an overview of the scale, as well as a quick illustration of how it applies to your daily backcountry risk assessment.
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