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Yesterday was the third day in a row with reports of avalanches and widespread collapsing/whumphing of the snowpack, including a skier triggered and ...
December 9th avalanche forecast: mtavalanche.com/forecast
Since yesterday morning, 1-2” of new snow fell around West Yellowstone, Island Park, and ...
Today (12/8) we looked at the snowpack in the Bridger Range for the first time this season, and we found conditions similar to the rest of our ...
Avalanche Forecast: Dec. 8, 2023 - More information at www.mtavalanche.com/forecast
A quick burst of intense snowfall yesterday morning brought ...
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.