Regional Conditions for Bridgers

as of 5:00 am
Today3″ | 5-25 WSW
Mar 30 2″ | 5-20 WSW
Mar 29 1″ | 5-20 W
8100′     3/31 at 14:00
35 ℉
0″New
8500′   3/31 at 14:00
29 ℉
NW - 4 mph
Gusts 15mph
Bottom Line: There is 1-3” of new snow this morning. Today more snow and moderate wind will create fresh drifts that can be triggered by a person. Last week several slides broke on weak layers 1-2 feet deep. Similar slides are possible to trigger today. Carefully evaluate the snowpack. Be extra cautious and avoid wind loaded slopes.

Past 5 Days

Fri Mar 27

Considerable
Sat Mar 28

Moderate
Sun Mar 29

Moderate
Mon Mar 30

Moderate
Today

Moderate

Avalanche Activity- Bridgers

Bridger Range
Bridger Peak
Natural small slab and many wet loose in Bridgers
Incident details include images
Bridger Peak
SS-N-R1-D1.5
Elevation: 8,600
Aspect: E
Coordinates: 45.7701, -110.9400
Caught: 0 ; Buried: 0

GNFAC forecaster observed this 8-12" slab on 3/30/20. Appears to have been triggered by cornice fall today. Also observed several small wet loose slides from previous day and this morning.


More Avalanche Details
Bridger Range
Fairy Lake
Cornice Fall near Fairy Lake
Incident details include images
Fairy Lake
C-N-R2-D1.5
Elevation: 9,000
Aspect: E
Coordinates: 45.9043, -110.9580
Caught: 0 ; Buried: 0

Skiers near Fairy Lake reported a cornice collapse in October Bowl.


More Avalanche Details
Bridger Range
Ross Peak
Collapse near Ross Peak
Ross Peak
Coordinates: 45.8591, -110.9550
Caught: 0 ; Buried: 0

After getting unstable snowpack test results, skiers on 3/27/2020 got a collapse on facets over a crust buried about a foot deep, near Ross Peak in the Bridger Range.


More Avalanche Details

Photos- Bridgers

Displaying 1 - 40
  • Observed this 8-12" slab on 3/30/20. Appears to have been triggered by cornice fall. Also observed several small wet loose slides from previous day and this morning. Photo: GNFAC

  • We dug this pit adjacent to a snowmobiler triggered avalanche. It broke on the surface hoar layer which is located at the top blue crystal card. The bottom card denotes the larger grains of facets that formed early in the winter. Photo: GNFAC

  • This surface hoar crystal is almost 1.5 cm (each square is 2mm) and was the weak layer in a few avalanches on Buck Ridge (3/29/20). Photo: GNFAC

  • There were many tracks in Buck Ridge and only a few small slides in First Yellowmule. This picture is looking SW towards Sphinx Mountain. Feathery crystals of surface hoar are buried 1-1.5' under the surface and are a concern. This layer seems to be more prevalent in protected areas. Photo: GNFAC

  • We saw this natural avalanche from afar. It was NE aspect and likely failed on a layer of surface hoar 1-1.5' deep. The Madison Valley is in the background. Photo: GNFAC

  • Sunday (3/29/20) skiers near Fairy Lake saw this cornice collapse that ran for quite a ways in October bowl. Photo: T. Gittins

  • From obs. (3/29/20): "Significant wind started building mid morning, forming even bigger cornices and wind loading many slopes. Noticed this slide on an East/Northeast aspect at the back of the bowl above Maid of the Mist creek, possibly triggered by cornice fall but unknown. Happened between 9:45am and 11:30am today, as at 9:30am it was not there, and when we returned to the spot around 11:30am the slide was visible." Photo: CP

  • Significant cornice growth and wind transport on Bridger Ridge. Photo: T. Allen

  • From obs: "We toured up in the Throne area today. Moderate winds were blowing snow at mid elevations and ridgetops. We found dry boot top powder on East facing slopes, the snow skied upside down. We observed loose and slab avalanches on many aspects up high and at mid elevations, all looked like new snow avalanches that happened yesterday. I’ve attached a photo of an east facing slope near the Throne."  Photo: S. Jonas

  • A skier triggered slide on a windloaded slope just north of Bridger Bowl. The skier lost their ski in the slide. Photo: R. Anderson

  • In the Bridger Range, avalanches released naturally on a density change in the new snow sometime Tuesday night (3/24). Photo: E. Knoff

  • In the Bridger Range, avalanches released naturally on a density change in the new snow sometime Tuesday night (3/24). Photo: E. Knoff

  • Snowfall throughout the afternoon fluctuated between S1 - S5 (during brief squalls). The winds started out moderate and from the west but calmed by the last lap ~5 pm. The new snow (from last night/this morning) was fairly well bonded to the sun/melt-freeze crust below, but the storm came in subtly upside down. Today’s snowfall (accumulating ~3” while skiing between 1-530) was light. Right along the ridgeline, we triggered 4 predictable small storm slabs 4~6” deep on the upside-down storm snow from last night/this morning, but surprisingly not on the old crust. They were each 5-10m wide x 5m long and only ran ~5m vertically. Photo: Z Miller

  • This is a photo of a small roof avalanche near Island Park. Warming temperatures cause water to percolate through the snow which lubricates the sliding surface. Roof avalanches have injured and killed people in the past, just one more thing to worry about. Photo: M.E. 

  • Dave Zinn digs a hand pit along the ridge to assess how the new snow is sticking to the ice crust. Photo: GNFAC

  • Obs: "School bus size cornices over Easterly portions of Lionhead Ridge. It is hard to tell from the photo, but the largest cornices were about 20-25' tall. We dug a few pits on East Facing slopes between 9,000-9,500 ft with the worst result being an ECTN-21 however these Cornices are primed and ready to fall with the abundant sunshine and warming weather." Photo: JR

  • From e-mail: "Natural wet slides... caused us to back off our plan of heading that way and ski a north, shady aspect instead. On a southern aspect. 9000ft. 1:30pm. We dug a hasty pit and observed a weak layer about 1m down. The facets were beginning to round." Photo: K. Master

  • From IG post with #gnfacobs: "I triggered a small windslab, mid slope on the north face of Wilson. It was a a pretty stubborn slab that broke above me. Cross loaded from lookers right. 6-8” deep." Photo: B Gill

  • From IG post with #gnfacobs: "I triggered a small windslab, mid slope on the north face of Wilson. It was a a pretty stubborn slab that broke above me. Cross loaded from lookers right. 6-8” deep." Photo: B Gill

  • From south of Big Sky yesterday 3/17 about 9:00, just north of Buck Ridge at 8500'. Large surface hoar on northerly aspects. Photo: Spence

  • We dug near the top of Bacon Rind and found 155cm of snow. Our primary concern is with the upper snowpack. As it warms and wets we can expect an increase of avalanche activity on the ice crusts. Facets are still dry and soft at the bottom of the pack and I got this layer to break with an ECTP29. Photo: GNFAC

  • We observed 7 wet, loose snow avalanches today in the Northern Bridger Range. All avalanches were in the R1, D1-1.5 size range. They would be consequential in the steep, technical terrain where they occurred. Photo: GNFAC

  • We observed 7 wet, loose snow avalanches today in the Northern Bridger Range. All avalanches were in the R1, D1-1.5 size range. They would be consequential in the steep, technical terrain where they occurred. Photo: GNFAC

     

  • We intentionally triggered a small wind slab and cornice before committing to a north-facing line in Frazier Basin. Photo: GNFAC

  • Spencer Jonas, GNFAC intern, in a snowpit in Beehive Basin. We found over 6 feet of snow and just dug our the top 4 feet to assess the stability. The new snow is bonding well and there were no signs of instability. Photo: GNFAC

  • From obs. on 3/10/2020: "Really touchy windslab formation throughout the day. 6-12 in slabs running on freeze crust." Photo: D. Wyckoff

  • Cornices have grown rapidly in the last few days. These will be susceptible to breaking and could trigger pillows of wind slabs under them. Photo: Bridger Bowl Ski Patrol

  • Strong wind stripped snow off many slopes above treeline. Photo: GNFAC

  • This naturally triggered avalanche likely happened Tuesday morning. Strong wind loaded slopes and made huge cornices. Photo: GNFAC

  • The winds blew the new new into wind slabs that avalanched naturally yesterday. This photo was taken at 9:30 a.m. on Tuesday (3/10) by Evan Schock.

  • A falling cornice triggered a large slide in the wet snow on an east facing slope up Hyalite. It was north of Mt. Blackmore and west of History Rock. Photo: R. Parsons

  • A google earth view of the cornice triggered location, 

    45.4626N, -111,0219W
    8766'

    Photo: R. Parsons

  • Point releases across highway from Bacon Rind. 3/6/2020.

    Photo: GNFAC

  • Point releases across the highway from Bacon Rind. 3/6/2020

    Photo: GNFAC

  • Wet slide in Buffalo Horn Creek. 3/6/2020.

    Photo: A. Norlander

  • Overview of an avalanche triggered on 2/27/2020 at 8:30 p.m. by a groomer between Storm Castle and Swan Creeks in the northern Gallatin Range. The driver was ok, but the machine did a full barrel roll and was very badly damaged. Photo: GNFAC

  • An avalanche triggered on 2/27/2020 at 8:30 p.m. by a groomer between Storm Castle and Swan Creeks in the northern Gallatin Range. The driver was ok, but the machine did a full barrel roll and was very badly damaged. The debris piled 8' deep on the road, which creates a terrain trap. Photo: GNFAC

  • An avalanche was triggered on 2/27/2020 at 8:30 p.m. by a groomer between Storm Castle and Swan Creeks in the northern Gallatin Range. The driver was ok, but the machine did a full barrel roll and was very badly damaged. Photo: GNFAC

  • Looking up the path of an avalanche triggered on 2/27/2020 at 8:30 p.m. by a groomer between Storm Castle and Swan Creeks in the northern Gallatin Range. The driver was ok, but the machine did a full barrel roll and was very badly damaged. Photo: GNFAC

  • Looking down the path of an avalanche triggered on 2/27/2020 at 8:30 p.m. by a groomer between Storm Castle and Swan Creeks in the northern Gallatin Range. The driver was ok, but the machine did a full barrel roll and was very badly damaged. Photo: GNFAC

Videos- Bridgers

WebCams


Bridger Base Area

Ridge, Looking North

Bridger Lift

Weather Forecast Bridgers

Extended Forecast for

10 Miles NNE Bozeman MT

Winter Weather Advisory until April 1, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until April 1, 12:00pm

    NOW until
    12:00pm Wed

    Winter Weather Advisory

  • This
    Afternoon

    This Afternoon: Snow.  High near 35. Southwest wind 11 to 18 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.

    Snow

    High: 35 °F

  • Tonight

    Tonight: Snow, mainly before 2am.  Low around 15. West southwest wind 8 to 16 mph becoming northwest after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Snow

    Low: 15 °F

  • Wednesday

    Wednesday: Snow likely, mainly after 11am.  Patchy blowing snow between noon and 1pm. Mostly cloudy, with a high near 25. Wind chill values as low as zero. Northwest wind 5 to 15 mph becoming east in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Snow Likely
    and Patchy
    Blowing Snow

    High: 25 °F

  • Wednesday
    Night

    Wednesday Night: Snow likely.  Cloudy, with a low around 6. Wind chill values as low as -10. East wind around 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Snow Likely

    Low: 6 °F

  • Thursday

    Thursday: A 50 percent chance of snow.  Mostly cloudy, with a high near 19. North northeast wind 6 to 10 mph, with gusts as high as 18 mph.  New snow accumulation of less than a half inch possible.

    Chance Snow

    High: 19 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 8. East northeast wind around 7 mph becoming southeast after midnight.

    Mostly Cloudy

    Low: 8 °F

  • Friday

    Friday: A 40 percent chance of snow after noon.  Mostly sunny, with a high near 28. South southwest wind 7 to 9 mph, with gusts as high as 23 mph.  New snow accumulation of less than a half inch possible.

    Mostly Sunny
    then Chance
    Snow

    High: 28 °F

  • Friday
    Night

    Friday Night: A chance of snow, mainly before midnight.  Mostly cloudy, with a low around 17. South southwest wind around 10 mph, with gusts as high as 23 mph.

    Chance Snow

    Low: 17 °F

The Last Word

A recent avalanche in Colorado left a rider with life-threatening injuries, required extensive resources and put rescuers at high risk. Read this article from Outside Magazine about the event, and please adjust your travel habits to respect and conserve our community’s resources.