Danger Scale

GNFAC classes in Red; other groups classes in Blue

GNFAC News

Our Annual Report for 2019-20 is available here.

Spring is here! Review this season's snowpack and avalanche activity in this brief summary.

More info here. Raffle proceeds benefit the Friends of the Avalanche Center.

See the mid-season summary from January for a look at the evolution of the season's snowpack.

Resources

Weather Stations

Weather Stations provide the GNFAC forecasters with information on snowfall, wind and temps from around the region. The Weather Log summarizes this daily.

Avalanche Education

GNFAC partners with groups around the region to provide evening avalanche classes, plus full day and multi-day courses, including some weekend field days. All our class offerings, along with courses from other providers, are on our Education Calendar.

Placenames

Use this map to find the locations of unfamiliar places mentioned in the advisory. Also take a look at our glossary of avalanche terms.

Support

Donate to the Friends of GNFAC; or order DVDs or 'Snow Sense' avalanche safety handbook.

GNFAC Instagram

<p>We need your help. Please consider a donation so we can keep offering snowpack data to help you avoid this! Link to donate in Bio. </p><p>Your support also funds weather stations, incident reports, ...</p>

We need your help. Please consider a donation so we can keep offering snowpack data to help you avoid this! Link to donate in Bio.

Your support also funds weather stations, incident reports, ...

<p>We need your help!<br />
Due to COVID we will be canceling the in-person Powderblast. Winter is NOT cancelled so we will be hosting our fundraiser through GoFundMe this year and are asking the SW Montana ...</p>

We need your help!
Due to COVID we will be canceling the in-person Powderblast. Winter is NOT cancelled so we will be hosting our fundraiser through GoFundMe this year and are asking the SW Montana ...

<p>The mountains could get 8-12" of snow tonight. If you head out the next few days remember avalanches are still possible, and any new snow could slide easily. Be cautious of travel in steep snowy ...</p>

The mountains could get 8-12" of snow tonight. If you head out the next few days remember avalanches are still possible, and any new snow could slide easily. Be cautious of travel in steep snowy ...

<p>Last weekend skiers triggered an 8" deep wet slab in Middle Basin (pictured 📸), and two days ago a very large wet slab ran naturally at the Yellowstone Club. Details and photos at: ...</p>

Last weekend skiers triggered an 8" deep wet slab in Middle Basin (pictured 📸), and two days ago a very large wet slab ran naturally at the Yellowstone Club. Details and photos at: ...