Photos

Displaying page 21 of photos 401 - 420 of 420
Northern Gallatin, 2018-11-12

Climbers triggered this very small wind slab on the way to a climb up Flanders in Hyalite (11/11). A tiny slide to a skier can be bad news for a climber since losing one's balance or getting pushed off a cliff can be deadly. From an email (edited):

Hyalite Snow Conditions:...we dug two hasty pits on east facing slopes in Flanders....
8200'- isolated opening in trees in an area on rocks, shallower snow (~50cm). CT12 at the ground, again just tapping on the back of other hand, so not super legit, but did raise eyebrows.  
8450'- Opening below cliff bands on exposed traverse. Deeper snow (~80-90cm). No concerns other than storm snow and snow coming off of cliff bands. Classic Hyalite shifty winds. We released a small (10-15cm) storm slab on traverse into the climb .  
Weather: It was snowing and blowing all day.

Photo: S. Magro

Link to Avalanche Details
Bridger Range, 2018-11-11

From an email:

"By and large right side up snowpack. Some small facets below the 11/1 ice crust at the ground, but well bonded snowpack overall. Pit observations consistent with hand pits dug throughout the day touring north out of Bridger Bowl." Photo: M. Zia

Bridger Range, 2018-11-10

From an email: "ECTP 5 at the top of a chute on the south face of the Texas Meadows knob. Propagated on a layer 15cm from the top of the snowpack." Photo: J. Zimmerer

Northern Madison, 2018-11-10

From Instagram:

"Careful out there this year! While we are lucky enough to have a mostly stable snowpack here in Southwest Montana, we did just find this little wind slab well below the ridge line in Middle Basin. Slowboarder was fine" @chartierk

Link to Avalanche Details
Northern Madison, 2018-11-10

A skier found 80 cm of stable snow on an east facing slope at 9200' in Beehive Basin. Winds created these newborn cornices along the ridge. Photo: T. Allen

Northern Gallatin, 2018-11-10

From e-mail: "Was descending off of Zach Attack tonight and set off a small slab in the gully on the decent. This was about 100 meters below the start of pitch 1. Constant whipping winds and lots of new deposited snow likely caused the slab to form. Climber caused. Didn’t carry me as it was small. Would be wary of the mummy cooler gullies abover scepter as well."

Link to Avalanche Details
Northern Gallatin, 2018-11-10

From e-mail: "Was descending off of Zach Attack tonight and set off a small lab in the gully on the decent. This was about 100 meters below the start of pitch 1. Constant whipping winds and lots of new deposited snow likely caused the slab to form. Climber caused. Didn’t carry me as it was small. Would be wary of the mummy cooler gullies abover scepter as well."

Link to Avalanche Details
Cooke City, 2018-11-09

From a tour up Miller Creek: "Good stability and structure found overall.  No collapsing nor cracking experienced, minor wind effect, and only some minor point release avalanche activity noted on the east aspect of Crown Butte." Photo: B. Fredlund

Link to Avalanche Details
Northern Gallatin, 2018-11-09
From Zack Keskinen:
 
Noted multiple small crowns (15-20cms) on NE steep rocky terrain. Pit seemed reasonably consistent with a couple hand pits across the day in the "above treeline" zone.
Link to Avalanche Details
Northern Gallatin, 2018-11-09
From Zack Keskinen:
 
Mt Blackmore 11/07
HN24 - 20cm
S1 - 8/8 - W (Light)
 
Noted multiple small crowns (15-20cms) on NE steep rocky terrain.Pit seemed reasonably consistent with a couple hand pits across the day in the "above treeline" zone.
Link to Avalanche Details
Northern Gallatin, 2018-11-09
 From Zack Keskinen:
 
Mt Blackmore 11/07
HN24 - 20cm
S1 - 8/8 - W (Light)
 
Noted multiple small crowns (15-20cms) on NE steep rocky terrain.Pit seemed reasonably consistent with a couple hand pits across the day in the "above treeline" zone.
Link to Avalanche Details
Northern Gallatin, 2018-11-08

Natural wind slab that broke after 3-4 feet of new snow over 6 days. Photo: B. VandenBos

Link to Avalanche Details
Northern Gallatin, 2018-11-07

Natural avalanche activity was widespread in Hyalite on Tuesday 11/6. Obs from e-mail: "The newest snow (about 18", I'd guess past 48hrs) is touchy soft slab. The top 8 inches also exhibit a storm slab-like quality.  There appears to be a very slight density change between the two.  Top 8" fracture and propagate cracks readily on gentle terrain, whereas in steeper terrain, the deeper slab (again, about 18" down) was propagating as I was skinning up the headwall in the steep creek drainages and steeper features nearby. Lots of natural activity on steeper terrain, but vis was limited. Photo: G. Antonioli

Link to Avalanche Details
Northern Gallatin, 2018-11-07

Natural avalanche activity was widespread in Hyalite on Tuesday 11/6. Obs from e-mail: "The newest snow (about 18", I'd guess past 48hrs) is touchy soft slab. The top 8 inches also exhibit a storm slab-like quality.  There appears to be a very slight density change between the two.  Top 8" fracture and propagate cracks readily on gentle terrain, whereas in steeper terrain, the deeper slab (again, about 18" down) was propagating as I was skinning up the headwall in the steep creek drainages and steeper features nearby. Lots of natural activity on steeper terrain, but vis was limited. Photo: G. Antonioli

Link to Avalanche Details
Bridger Range, 2018-11-06

The Bridgers got 30-40” of new snow in the past week. It came in warm and dense, and it is bonding well to the old snow. Natural Avalanches broke 6-8” deep in the new snow today. This instability will heal in a day or two. Wind loaded slopes, where new snow is drifted into fresh thick slabs, will be the most likely place to trigger avalanches the next few days. Photo: GNFAC

Bridger Range, 2018-11-02

From the MSU Backcountry Club Instagram page:

Warning! This is a current, fresh, crown in the northern Bridgers! Every aspect had a visible crown and avi debris! This crown was 56cm at it deepest and over 8 meters long. ECTP21@53 and CT24@54 on the overlying slab. Photo: @msubackcountryclub More Details.

Link to Avalanche Details
Northern Madison, 2018-11-02

This avalanche was observed on the morning of Friday 11/2. It broke from a natural trigger in the Big Couloir at Big Sky Resort. New snow fell and was drifted into slabs overlying older, hard layers of snow from October. The resort is not open and no people were in the area of the avalanche at that time. Photo: Big Sky Resort More details

 

Link to Avalanche Details
Northern Gallatin, 2018-10-19

Eric and Alex skinned up to Flanders Mountain in Hyalite to put up the weather station. It was bony, but doable...barely.

Northern Gallatin, 2018-10-19

Alex and Eric put up the Flanders Mountain weather station in Hyalite today. You can get hourly readings of temp, RH, wind speed and direction HERE.

Bridger Range, 2018-10-05

POWDER BLAST
26 October 2018

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Join us for the best fundraiser of the year! All proceeds benefit the Friends of the Avalanche Center which supports avalanche awareness, education and information throughout southwest Montana.

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