Avalanche Education Calendar
GNFAC classes in Red; Private-sector classes are in Blue
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In Cooke City, around 10" of new snow are loading two weak layers on some slopes, one weak layer on others, and a stable snowpack elsewhere.
Assume ...
We skied into Mount Blackmore and hunted for the recently buried layer of surface hoar. We came up empty-handed, but were skeptical. It was found in ...
Avalanche danger rises today due to new snow adding weight to buried weak layers. For all the details #GetTheForecast at ...
We went hunting for a newly buried weak layer of feathery surface hoar in Cooke City. We found it buried under 6" to 1.5' of snow. It has produced ...
GNFAC News
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.