GNF Avalanche Center (@gnf_avalanche) 's Twitter Profile
GNF Avalanche Center

@gnf_avalanche

We provide current snowpack and mountain weather information, as well as avalanche education.

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linkhttp://www.mtavalanche.com/current calendar_today10-07-2009 03:56:00

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Snow and wind on the way. Thursdays avalanche forecast. mtavalanche.com/forecast Image of NWS forecasted snow amounts through Sunday morning.

Snow and wind on the way. Thursdays avalanche forecast.
mtavalanche.com/forecast
Image of NWS forecasted snow amounts through Sunday morning.
GNF Avalanche Center (@gnf_avalanche) 's Twitter Profile Photo

Avalanche forecast 2/26 mtavalanche.com/forecast Snowfall increased this morning and will continue to improve skiing and riding conditions and worsen avalanche danger. The danger is CONSIDERABLE on wind-loaded slopes 📸Snowmobiler-triggered avalanche on Buck Ridge. C. Erhard

Avalanche forecast 2/26 mtavalanche.com/forecast

Snowfall increased this morning and will continue to improve skiing and riding conditions and worsen avalanche danger.

The danger is CONSIDERABLE on wind-loaded slopes

📸Snowmobiler-triggered avalanche on Buck Ridge. C. Erhard
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Feb 17 Avalanche Forecast: mtavalanche.com/forecast The avalanche danger is CONSIDERABLE near Bozeman and Big Sky. Near West Yellowstone, Island Park and Cooke City danger is CONSIDERABLE on wind-loaded slopes and MODERATE on all other slopes.

Feb 17 Avalanche Forecast: mtavalanche.com/forecast
The avalanche danger is CONSIDERABLE near Bozeman and Big Sky. Near West Yellowstone, Island Park and Cooke City danger is CONSIDERABLE on wind-loaded slopes and MODERATE on all other slopes.
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Get the full avalanche forecast for February 18 mtavalanche.com/forecast There has been a lot of snow recently, and dangerous avalanche conditions exist across the forecast area. The danger is rated CONSIDERABLE. 📸Natural avalanche in the Bridger Range. I. Freeland

Get the full avalanche forecast for February 18
mtavalanche.com/forecast

There has been a lot of snow recently, and dangerous avalanche conditions exist across the forecast area. The danger is rated CONSIDERABLE.

📸Natural avalanche in the Bridger Range. I. Freeland
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Feb 23: mtavalanche.com/forecast Near West Yellowstone and the southern Madison and Gallatin ranges a person can trigger avalanches on weak layers 1-3 feet deep. Wind slab avalanches can be triggered where wind the last couple days drifted snow into slabs. Danger is MODERATE.

Feb 23: mtavalanche.com/forecast
Near West Yellowstone and the southern Madison and Gallatin ranges a person can trigger avalanches on weak layers 1-3 feet deep. Wind slab avalanches can be triggered where wind the last couple days drifted snow into slabs. Danger is MODERATE.
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Feb 24 mtavalanche.com/forecast The avalanche danger is CONSIDERABLE on wind-loaded slopes and MODERATE on other slopes near Cooke City.The avalanche danger is MODERATE Near West Yellowstone, Island Park, Big Sky and Bozeman.

Feb 24 mtavalanche.com/forecast The avalanche danger is CONSIDERABLE on wind-loaded slopes and  MODERATE on other slopes near Cooke City.The avalanche danger is MODERATE Near West Yellowstone, Island Park, Big Sky and Bozeman.
GNF Avalanche Center (@gnf_avalanche) 's Twitter Profile Photo

Avalanche forecast 2/25 mtavalanche.com/forecast In Cooke City, cautious route-finding is essential because human-triggered avalanches are likely, and the danger is CONSIDERABLE. 📸Alex triggered this avalanche yesterday in Cooke City while traveling on flat terrain above. GNFAC

Avalanche forecast 2/25
mtavalanche.com/forecast

In Cooke City, cautious route-finding is essential because human-triggered avalanches are likely, and the danger is CONSIDERABLE.

📸Alex triggered this avalanche yesterday in Cooke City while traveling on flat terrain above. GNFAC
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Avalanche forecast 2/26 mtavalanche.com/forecast Yesterday, an avalanche buried a snowmobiler whose head was five feet under the snow. Resuscitation was successful, and we are happy that everyone was okay in the end 📸Avalanche on Crown Butte near Cooke City yesterday. N. Meyers

Avalanche forecast 2/26
mtavalanche.com/forecast

Yesterday, an avalanche buried a snowmobiler whose head was five feet under the snow. Resuscitation was successful, and we are happy that everyone was okay in the end

📸Avalanche on Crown Butte near Cooke City yesterday. N. Meyers
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March 2, Avalanche Forecast: mtavalanche.com/forecast The avalanche danger is MODERATE around West Yellowstone and Cooke City. Danger is LOW this morning and will rise to MODERATE by this afternoon near Bozeman, Big Sky and Island Park.

March 2, Avalanche Forecast: mtavalanche.com/forecast
The avalanche danger is MODERATE around West Yellowstone and Cooke City.
Danger is LOW this morning and will rise to MODERATE by this afternoon near Bozeman, Big Sky and Island Park.
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Mar 3: mtavalanche.com/forecast Near West Yellowstone and Cooke City persistent slab avalanches breaking on weak layers that formed in late January are possible and avalanche danger is MODERATE. Near Bozeman, Big Sky and Island Park avalanches are unlikely and danger is LOW.

Mar 3: mtavalanche.com/forecast
Near West Yellowstone and Cooke City persistent slab avalanches breaking on weak layers that formed in late January are possible and avalanche danger is MODERATE. Near Bozeman, Big Sky and Island Park avalanches are unlikely and danger is LOW.
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Avalanche forecast 3/4: mtavalanche.com/forecast Most avalanche terrain remains safe near Bozeman and Big Sky, but the new snow rewrites the equation in extreme terrain where a small avalanches = big consequences. The danger is LOW. 📸Cornice fall in Hyalite Canyon. F. Miller

Avalanche forecast 3/4: mtavalanche.com/forecast

Most avalanche terrain remains safe near Bozeman and Big Sky, but the new snow rewrites the equation in extreme terrain where a small avalanches = big consequences. The danger is LOW.

📸Cornice fall in Hyalite Canyon. F. Miller
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March 9: mtavalanche.com/forecast The avalanche danger is MODERATE near Bozeman, Big Sky, West Yellowstone, and Island Park. Cooke City got less new snow last week, so the likelihood and size of potential avalanches is smaller. The avalanche danger is LOW in Cooke City.

March 9: mtavalanche.com/forecast The avalanche danger is MODERATE near Bozeman, Big Sky, West Yellowstone, and Island Park.

Cooke City got less new snow last week, so the likelihood and size of potential avalanches is smaller. The avalanche danger is LOW in Cooke City.
GNF Avalanche Center (@gnf_avalanche) 's Twitter Profile Photo

Avalanche Forecast 3/10 mtavalanche.com/forecast Carry rescue equipment and one at a time on steep slopes. Consider the potential outcomes of an avalanche and avoid areas with higher consequence features. The danger is rated MODERATE near W Yell. 📸Slide on Lionhead Ridge

Avalanche Forecast 3/10 mtavalanche.com/forecast

Carry rescue equipment and one at a time on steep slopes. Consider the potential outcomes of an avalanche and avoid areas with higher consequence features. The danger is rated MODERATE near W Yell.

📸Slide on Lionhead Ridge
GNF Avalanche Center (@gnf_avalanche) 's Twitter Profile Photo

Avalanche Forecast 3/10 mtavalanche.com/forecast Carry rescue equipment and one at a time on steep slopes. Consider the potential outcomes of an avalanche and avoid areas with higher consequence features. The danger is rated MODERATE near W Yell. 📸Slide on Lionhead Ridge

Avalanche Forecast 3/10 mtavalanche.com/forecast

Carry rescue equipment and one at a time on steep slopes. Consider the potential outcomes of an avalanche and avoid areas with higher consequence features. The danger is rated MODERATE near W Yell.

📸Slide on Lionhead Ridge
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Get the full Avalanche Forecast for March 22nd mtavalanche.com/forecast 📸 Steep drifted slopes are the most likely place to find trouble today. Photo: K. Allred

Get the full Avalanche Forecast for March 22nd
mtavalanche.com/forecast

📸 Steep drifted slopes are the most likely place to find trouble today. Photo: K. Allred
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Avalanche forecast 3/25 at mtavalanche.com/forecast Springtime weather brings several avalanche problems that will evolve in priority as the day warms. The management strategy for each is slightly different. The danger is MODERATE. 📸Natural avalanche on the Fin near Cooke City

Avalanche forecast 3/25 at mtavalanche.com/forecast

Springtime weather brings several avalanche problems that will evolve in priority as the day warms. The management strategy for each is slightly different.

The danger is MODERATE.

📸Natural avalanche on the Fin near Cooke City
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Avalanche Forecast 3/26 mtavalanche.com/forecast It will feel like spring, with temperatures 10 degrees warmer than yesterday and fewer clouds in the sky. These conditions will accelerate snow surface warming, and wet loose avalanches will pack a serious punch 📸Bradley's Meadow

Avalanche Forecast 3/26
mtavalanche.com/forecast

It will feel like spring, with temperatures 10 degrees warmer than yesterday and fewer clouds in the sky. These conditions will accelerate snow surface warming, and wet loose avalanches will pack a serious punch

📸Bradley's Meadow
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Avalanche forecast for 4/1 mtavalanche.com/forecast The Bridger Range received over a foot of new snow in the last 12 hours, with heavy snowfall continuing and another foot expected by tomorrow morning. The danger is CONSIDERABLE. 📸Loose snow avalanche on Saddle Peak

Avalanche forecast for 4/1 mtavalanche.com/forecast

The Bridger Range received over a foot of new snow in the last 12 hours, with heavy snowfall continuing and another foot expected by tomorrow morning. The danger is CONSIDERABLE.

📸Loose snow avalanche on Saddle Peak
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Avalanche Forecast 4/7 mtavalanche.com/forecast Daytime warming will unlock snow surfaces, making wet loose and wind slab avalanches possible. The avalanche danger is LOW, rising to MODERATE when crusts break down 📸Natural wind slab avalanches and dry loose slides in Cooke City

Avalanche Forecast 4/7 mtavalanche.com/forecast

Daytime warming will unlock snow surfaces, making wet loose and wind slab avalanches possible. The avalanche danger is LOW, rising to MODERATE when crusts break down

📸Natural wind slab avalanches and dry loose slides in Cooke City
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Thanks to everyone for Giving Big to support avalanche safety and information in our community. 75 donors raised over $9,000! Special thanks to Bozeman Ice Fest for contributing $2500 raised during 2024's festival!

Thanks to everyone for Giving Big to support avalanche safety and information in our community. 
75 donors raised over $9,000!

Special thanks to Bozeman Ice Fest for contributing $2500 raised during 2024's festival!