Photos

From obs: "Natural avalanches observed on east facing aspect of Miller Ridge on 2/11. Smaller avalanche further south on the ridge as well." M. Crosby

Form obs: "Natural avalanches observed on east facing aspect of Miller Ridge on 2/11. Larger avalanche propagated widely on the north end of the ridge around 10,000 ft." Photo: M. Crosby

A snowmobiler triggered an avalanche as she climbed up the backside of Crown Butte. As she descended the slope the avalanche broke and ran down the slope behind her. Thankfully, no one was caught or injured. Photo: CA

Skiers on Woody Ridge felt numerous "thunderous" collapses and saw shooting cracks during their ski tour on 02/09/2024. Photo: N. Stayner

A natural avalanche on Woody Ridge likely broke sometime between the afternoon 02/09/2024 and 02/10/2024. Photo: N. Stayner

From obs: "We spotted these fairly fresh looking avalanches all side by side with no apparent tracks leading into them. Likely either natural or remote triggered earlier in the day or overnight." Photo. L. Welles 

From obs: "We spotted these fairly fresh looking avalanches all side by side with no apparent tracks leading into them. Likely either natural or remote triggered earlier in the day or overnight." Photo: L. Welles 

A snowboarder triggered an avalanche from 100' away after feeling a "massive" collapse. Photo: N. Mattes 

Natural avalanche on East Side of Henderson Mtn. seen late on 2/7/24. South of the two that Doug saw last week, along the ridge. Could have happened yesterday or last night. I didn’t see it yesterday when riding up and down Fisher creek, but visibility was mediocre. The debris and bed had at least some new snow on it. Photo: GNFAC

From obs: "Observed an avalanche above Highway 212 ("the plug") just north of the Wyoming/Montana border. that appeared to be triggered by a snowmobile. It looked fresh, likely from the afternoon of 2/6/2024. Northeast facing slope, 8200'. Technically out of the advisory area." Photo: N. Gaddy

From obs: "Observed an avalanche above Highway 212 ("the plug") just north of the Wyoming/Montana border. that appeared to be triggered by a snowmobile. It looked fresh, likely from the afternoon of 2/6/2024. Northeast facing slope, 8200'. Technically out of the advisory area." Photo: N. Gaddy

We had one collapse, 10-12' wide near treeline where there was a little more wind-loading/effect. Photo: GNFAC

We dug a snowpit at 9,761' on a west facing slope south of Cooke City. ECTP21, 40 cm below the surface (16" down). There was 6-8" of new snow from the weekend above 4" of soft old snow, on top of 4" of a pencil- hard slab, then the soft sugary facets to the ground. ECT broke below the hard slab at the top of the facets. Photo: GNFAC

A recent natural avalanche on seen on the NW aspect of Woody Ridge at 10,000'. Appeared to of happened today, 02/04/2024. Photo: N. Gaddy

Natural wet loose avalanches were seen in Sheep Creek on 01/31/2024, these happened the day before on 01/30/2024. Photo: B. Fredlund 

Natural wet slab avalanches were seen in Sheep Creek on 01/31/2024, these happened the day before on 01/30/2024. Photo: B. Fredlund 

Natural wet slab avalanches were seen in Sheep Creek on 01/31/2024, these happened the day before on 01/30/2024. Photo: B. Fredlund 

This avalanche occurred between noon and 4pm on Tuesday, 30 January. It was likely snowmobile trifggered. An adjacent path went naturally on Friday, 26 January. Photo: C. Olson

This avalanche occurred between noon and 4pm on Tuesday, 30 January. It was likely snowmobile trifggered. An adjacent path went naturally on Friday, 26 January. Photo: C. Olson

This avalanche released naturally on 1/29/2024. It was seen from the Miller Creek road and looks similar to all the other avalanches in the area. Photo GNFAC