Photos

Displaying page 2 of photos 21 - 40 of 62
Northern Madison, 2019-11-03

NE aspect 10,000'. Triggered while skiing through a choke point. This one was thin but ran down slope quite a ways because the terrain was steeper. Photo: T. Chingas

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Northern Madison, 2019-11-03

E aspect, 9,100'. Triggered from a stomping a small cornice, which landed on a steep slope below and popped a small wind slab. Photo: T. Chingas

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Northern Madison, 2019-11-03

From obs. email:

Easy shovel sheer result (middle facet layer)
Ct 11 (middle facet layer)
Ect 13 with propagation (middle facet layer)
295 degrees northwest facing
8,600 feet
70cm snow depth

Photo: E. Howard

Northern Gallatin, 2019-11-02

A skier reported on 11/1, "Activity I observed was restricted to the new snow. A fair bit of loose snow....  Skiers on the E bowl of Blackmore triggered some D1 dry sluffage, running on a crust beneath the new snow." Photo: B. VandenBos

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Northern Gallatin, 2019-11-02

A skier reported on 11/1, "Activity I observed was restricted to the new snow. A fair bit of loose snow....  Skiers on the E bowl of Blackmore triggered some D1 dry sluffage, running on a crust beneath the new snow." Photo: B. VandenBos

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Northern Gallatin, 2019-11-02

A skier reported on 11/1, "I watched a small (D1) wind slab build and fail as the wind picked up near the Blackmore/Elephant saddle (happened just before 2pm). Slab couldn't have been much thicker than 15cm, broke 30-40m wide. These slabs were building rapidly,..." Photo: B. VandenBos

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Bridger Range, 2019-10-31

Avalanche crown north of Bridger Bowl from avalanches that ran on or before 10/30. Photo: G. Antonioli

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Bridger Range, 2019-10-31

Avalanche crown north of Bridger Bowl from avalanches that ran on or before (10/29). Photo: G. Antonioli

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Bridger Range, 2019-10-31

From an email, "...here’s a pic from a north facing slope below Thunder Road, about midway up PK. We saw a few more shooting cracks in the flats below the top of PK, and the surface wind slab where this photo was taken was ~10 cm."

Photo: J. Boulange

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Northern Gallatin, 2019-10-30

We found sensitive wind slabs near ridgelines on Mt. Blackmore and evidence of recent cross-loading. Photo: GNFAC

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Northern Madison, 2019-10-30

A skier in Hyalite wrote, "Natural activity that I observed was failing at new/old interface and (generally) occurred in predictable, wind loaded locations near ridge lines. The one exception is the avalanche with the freshest debris; looks like it failed right at the end of the storm in a somewhat sheltered, mid-slope location." Photo: B. VandenBos

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Northern Gallatin, 2019-10-30
A skier in Hyalite wrote, "Natural activity that I observed was failing at new/old interface and (generally) occurred in predictable, wind loaded locations near ridge lines. The one exception is the avalanche with the freshest debris; looks like it failed right at the end of the storm in a somewhat sheltered, mid-slope location." Photo: B. VandenBos
 
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Bridger Range, 2019-10-29

Gusty north wind and moderate snowfall created unstable drifts of snow at Bridger on Monday (10/28). Some slid naturally and some were easily triggered by skiers. Photo: P. Hinz

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Bridger Range, 2019-10-27

From email: "There was 10cm of facets near the ground which led to a stable layer roughly 30cm thick. Propagation at 40cm and 50cm at 17 and 26 swings from the elbow. 22 degree slope. 25 degrees Fahrenheit. Overall snowpack was 80cm."

Photo: R. Emery

Bridger Range, 2019-10-27

Small storm slabs triggered at Bridger on 10/26. From email: "slab formation appeared isolated to leeward sides of midslope terrain features and rollovers as well as at ridgetops". 

Photo: G. Antonioli

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Northern Gallatin, 2019-10-26

From obs.: "Dug a few hasty pits and found the snowpack to be pretty saturated all the way to the ground until around 9,500ft. The upper parts of the Blackmore east face had well over 3ft of snow, and was still dry and faceted at the base. Picture is a pit from around 9,700ft on Blackmore... 115cm deep. Wet snow made up about 2/3rds of the snowpack, on top of a sun crust with dry basal facets below." Photo: C. Kussmaul

Southern Madison, 2019-10-26

Large avalanche observed on 10/25 near Imp Peak in the Taylor Fork. Photo: B. VandenBos

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Southern Madison, 2019-10-26

Large avalanche observed on 10/25 near Imp Peak in the Taylor Fork. 

Photo: B. VandenBos

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Bridger Range, 2019-10-24

The snowpack at Bridger Bowl has an average height of 1.5 feet. It contains a couple layers of crusts (MF crust) and facets (NSF) that could be weak layers below future new snow. Photo: A. Schauer

Bridger Range, 2019-10-24

Snow available for transport in the Bridgers is isolated to upper elevations, as mid/lower the snowpack was wet and warm. Skiers recent activity on Saddle isolated to fresh cornice fall and loose snow sluffing. Photo: G. Antonioli

Link to Avalanche Details