Photos
Cooke City, 2021-02-05 A 100’ wide by 12”-24” deep avalanche was triggered by a skier on a North East aspect of Woody Ridge at 9000’. Skier was carried and partially buried after arresting on a tree. Photo: Anon Link to Avalanche Details |
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Cooke City, 2021-02-02 A large avalanche failed naturally on January 30th. It broke deep in the snowpack on a layer of weak facets. Photo:L B. Fredlund |
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Southern Gallatin, 2021-02-02 From Obs: "Skied up near Big Horn Peak today, around 100cm HS, a bit unsupportable and thin down low. Got lots of whumphs, probably 20+. Saw an avalanche on the west face of Meldrum, looked to be a few days old, but probably R2D2." Photo: S Jonas Link to Avalanche Details |
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Lionhead Range, 2021-02-01 A snowmobiler triggered this avalanche on Monday (2/1/2021) at Lionhead. No one was caught. Photo: Anonymous Link to Avalanche Details |
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Lionhead Range, 2021-02-01 A snowmobiler triggered this avalanche on Monday (2/1/2021) at Lionhead. No one was caught. Photo: Anonymous Link to Avalanche Details |
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Lionhead Range, 2021-02-01 This small avalanche was below the corner of Lionhead peak. It was one of the smaller slides during the avalanche cycle that occurred 1/29 and 1/30. Photo: GNFAC Link to Avalanche Details |
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Lionhead Range, 2021-02-01 The avalanche broke in the new snow, but stepped down into deeper layers (sugary facets) mid-path. This can occur when there are multiple weak layers in the snowpack. Photo: GNFAC Link to Avalanche Details |
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Lionhead Range, 2021-02-01 Every path along the shoulder of Targhee Peak (Lionhead area) avalanched naturally during the storm 1/29 and 1/30. Photo: GNFAC Link to Avalanche Details |
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Lionhead Range, 2021-02-01 This steep north facing slope avalanched about 3 weeks ago on depth hoar when a snowmobiler triggered it. It got reloaded with new snow and wind drifts and avalanched a second time! Photo: GNFAC Link to Avalanche Details |
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Lionhead Range, 2021-02-01 This natural avalanche occured on a NE facing slope at 8600". It was 2' deep, 500' wide and 250' vertical. The avalanche broke on a thin layer of facets during the storm. SS-N-R3-D2-O. Photo: GNFAC Link to Avalanche Details |
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Lionhead Range, 2021-02-01 On the north end of Lionhead Ridge is Airplane Bowl. The crown line extends across the entire bowl on the right with a separate avalanche on the left. Photo: GNFAC Link to Avalanche Details |
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Lionhead Range, 2021-02-01 Take a close look at the picture and you'll see crowns from the far left to the far right of the photograph. Photo: GNFAC Link to Avalanche Details |
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Lionhead Range, 2021-02-01 Many avalanches broke under the new snow and also deeper on facets. These natural slides occurred on 1/29 and 1/30. Photo: GNFAC Link to Avalanche Details |
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Out of Advisory Area, 2021-02-01 South of Livingston (outside our advisory area) new snow fell onto a layer of surface hoar. Skiers observed shooting cracks while touring. Photo: D Britt |
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Cooke City, 2021-02-01 Skiers northwest of Cooke City observed many new slab avalanches on all aspects from mid to upper elevations. Some stepped down onto older persistent weak layers. Photo: B. Fredlund Link to Avalanche Details |
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Cooke City, 2021-02-01 Skiers northwest of Cooke City observed many new slab avalanches on all aspects from mid to upper elevations. Some stepped down onto older persistent weak layers. Photo: B. Fredlund Link to Avalanche Details |
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Cooke City, 2021-02-01 Skiers northwest of Cooke City observed many new slab avalanches on all aspects from mid to upper elevations. Some like this one stepped down onto older persistent weak layers. Photo: B. Fredlund Link to Avalanche Details |
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Bridger Range, 2021-01-31 A skier north of Bridger Bowl ski area noted a layer of feathery surface hoar growing in the upper 500 vertical feet to the Ridge. B. Van Wert |
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Cooke City, 2021-01-31 A large avalanche failed naturally on January 30th. It broke deep in the snowpack on a layer of weak facets. Photo: T Parrie Link to Avalanche Details |
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Northern Gallatin, 2021-01-31 There were many loose snow avalanches or sluffs with the 8" of new snow in Hyalite. These avalanches were not breaking as slabs but a thin layer of weak, near-surface facets caused the new snow to slide actively. Photo: N. Salsburg Link to Avalanche Details |