Trip Planning for Lionhead Range

as of 5:00 am
Today3″ | 15-30 SW
Feb 13 0″ | 20-30 W
Feb 12 0″ | 7-11 NW
9420′     02/14 at 22:00
15.5℉
SW - 12mph
Gusts 17 mph
7750′     02/14 at 23:00
24℉
56″ Depth
Primary Problem: Wind Slab
Bottom Line: Thin, fresh wind drifts will be easily triggered today. Triggering older, somewhat thicker wind slabs that formed with high winds over the last couple days is also a possibility. Persistent Slab avalanches are still possible, breaking a couple feet deep on weak layers that formed at the end of January. Identifying and avoiding windloaded slopes is the best strategy to reduce your chances of triggering any sort of avalanche today.

Past 5 Days

Mon Feb 10

Considerable
Tue Feb 11

Moderate
Wed Feb 12

Moderate
Thu Feb 13

Moderate
Today

Moderate

Relevant Avalanche Activity

Lionhead Range
Lionhead Ridge
Small slide in Lionhead
Incident details include images
Lionhead Ridge
AMu-R1-D1
Coordinates: 44.7145, -111.3180
Caught: 0 ; Buried: 0

From FB message: "Small slide in lower elevation back by lionshead"


More Avalanche Details
Lionhead Range
LIONHEAD AREA
Small rider triggered Avalanche Lionhead
Incident details include images
LIONHEAD AREA
SS-AM-R1-D1
Aspect: S
Coordinates: 44.7292, -111.3230
Caught: 0 ; Buried: 0

We saw this today after it happened. Looked like a snowmobile triggered it. I believe it is mostly south facing. Thanks. 


More Avalanche Details
Lionhead Range
Lionhead Ridge
Natural and Snowmobile Triggered Avalanches at Lionhead
Lionhead Ridge
SS
Coordinates: 44.7145, -111.3180
Caught: 0 ; Buried: 0

Plenty of wind slabs ranging in size on Lionhead ridge and on surrounding slopes. Noticed a few natural slides on the way in, a few more on the way out that were rider triggered. Snow was quite wet by this afternoon @8500’. 


More Avalanche Details

Relevant Photos

Displaying 1 - 40
  • From FB message: "Small slide in lower elevation back by lionshead"

  • From obs: "We saw this today after it happened. Looked like a snowmobile triggered it. I believe it is mostly south facing." Photo: D. Haluptzok 

  • We saw two recent shallow wind slab avalanches. No recent slides breaking deeper. 
    This one at NE 9000'

  • Plenty of wind slabs ranging in size on Lionhead ridge and on surrounding slopes. Photo: Riley

  • Plenty of wind slabs ranging in size on Lionhead ridge and on surrounding slopes. Photo: Riley

  • Plenty of wind slabs ranging in size on Lionhead ridge and on surrounding slopes. Photo: Riley

  • 1 meter deep snowpack showing the obvious facets in the bottom third

  • We dug a pit on an East facing aspect below the slope we had planned to ride. The height of snow was about 110 cm and there was a very concerning layer of large facets at 75cm deep going to the ground.  Photo: C Culver

  • Our results were CT17 SPQ2 and ECTP26 SCQ1. Bother failures during tests were on the layer of facets and on the CT and ECT our columns easily separated from the facet layer after failure. Photo: C Culver 

  • On Jan 12, we saw 4-5 avalanche crowns that were up to a week old, some had been reported and a few we had not heard of. Two were ~2' deep on less wind affected slopes lower down in the trees, but probably had some previous wind-loading. Photo: GNFAC

  • On Jan 12, we saw 4-5 avalanche crowns that were up to a week old, some had been reported and a few we had not heard of. Two were ~2' deep on less wind affected slopes lower down in the trees, but probably had some previous wind-loading. Photo: GNFAC

  • On Jan 12 We saw 4-5 avalanche crowns that were up to a week old, some had been reported and a few we had not heard of. The pictured one was a 3-4'+thick slab on a rocky heavily wind-loaded slope off Lionhead ridge. Photo: GNFAC

  • From IG Jan4, Photo: J. Urell

  • From IG Message Jan 4."They happened today because I did not see the debris on way in". Photo: T. Urell

  • Remote triggered this avalanche at Lionhead. We were snowmobiling to the left of where the avalanche occurred. No one was caught.

    Coordinates: 44°43'36.8"N 111°19'05.0"W

    Photo: Ben 

  • Settling and collapsing on E-NE slopes above Hebgen. Full slope collapses and cracks, approximately 28 degree slope pictured.

    Photo: C Koch

  • While touring up a low-angle ridge in the northern Lionhead, I experienced several large collapses, notably one that triggered a cornice fall from 50’ away. Another remote collapse caused about 500’ of an E facing bowl to propagate, but not slide. ~9200’ E-SE 

    Photo: N Sramek

  • While touring up a low-angle ridge in the northern Lionhead, I experienced several large collapses, notably one that triggered a cornice fall from 50’ away. Another remote collapse caused about 500’ of an E facing bowl to propagate, but not slide. ~9200’ E-SE

    Photo: N Sramek

  • There was a natural avalanche on the landslide face above quake lake. The avalanche failed on a weak layers near the ground and broke several hundred feet wide. 

  • From obs on 12/29: "On our way out near the cabin I cut a line close to a creek to see if I could trigger something."

  • From obs on 12/29: "On our way out near the cabin I cut a line close to a creek to see if I could trigger something."

  • Occurred during the day on 12/28 Photo: GNFAC

  • Plumes of drifting snow in the Bridger Range as strong winds blasted the mountains. Photo: GNFAC

  • From IG: On 12/15 "Storm slab broke about 200’ above us as skinning up the hallway coming from the north side on the throne." Photo: Anonymous

  • Gusty winds transporting snow in Taylor Fork on Saturday. Triggered a 4-5 inch deep wind slab that propagated about 50 ft at the top of a north east facing slope at 9,500 ft.

    Photo: JP

  • WE facing snow at 8100 ft Cabin Ck

  • Cabin Creek snow cover

  • SE facing snow Cabin Creek

  • N facing snow Cabin Creek, 9000 ft

  • Big Sky Ski Patrol triggered this avalanche during mitigation work in The Wave on 11/26/24... "2-3' deep on an ice crust just above the ground with a 2# shot in the Upper rodeo. Volume was limited as most of the snow was loaded just underneath the cornice, but still produced a sizeable size 2... Other paths in the Lenin region ran meaty wind slabs, full track with no significant step downs." Photo: BSSP

  • Cracking on old, faceted, October snow hundreds of feet long. North facing near treeline. Photo: BSSP

  • Intentional, human-triggered avalanche by a ski patrol breaking at the ground on a north facing slope near treeline. Photo: BSSP

  • Snowpack on Ski Hill at Lionhead. Photo: GNFAC

     

  • Snowpit at Bridger Bowl on 11/5. Photo: B. VandenBos

  • From e-mail: "Photo attached from near top of hyalite peak, 11/2. Cracking in recent hard wind slab, I had to really jump hard to make this. Walked on many other hard slabs that were well bonded. Highly variable snowpack. I think you'd be most likely to get into trouble by popping out a small hard slab pocket like this and getting magic carpeted into some thinly covered terrain." Photo: B. VandenBos

  • From obs: "1-3 mm faceting in front of the Montage. Clear skys and mid 20 temps"

  • On October 17, rain turned to snow and blanketed the mountains of southwest Montana with a fresh coat of snow. Photo: Yellowstone Club Webcam

  • On October 17, rain turned to snow and blanketed the mountains of southwest Montana with a fresh coat of snow. Photo: Bridger Bowl Webcams

WebCams


Rendezvous Ski Trail, W. Yellowstone

Snowpit Profiles- Lionhead Range

 

Select a snowpit on the map to view the profile image

Weather Forecast Lionhead Range

Extended Forecast for

10 Miles WNW West Yellowstone MT

Winter Weather Advisory February 14, 11:56pm until February 15, 10:00amClick here for hazard details and duration Winter Weather Advisory
  •   Winter Weather Advisory February 14, 11:56pm until February 15, 10:00am

    NOW until 10:00am Sat

    Winter Weather Advisory

  • Tonight

    Low: 10 °F

    Snow Likely

  • Saturday

    Saturday: Partly sunny, with a high near 16. Wind chill values as low as -5. Northwest wind 13 to 15 mph, with gusts as high as 21 mph.

    High: 16 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after 11pm.  Mostly cloudy, with a low around 9. Wind chill values as low as -5. Southwest wind around 15 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 9 °F

    Snow Likely

  • Sunday

    Sunday: Snow.  High near 17. Wind chill values as low as -5. South southwest wind 13 to 15 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 17 °F

    Snow

  • Sunday Night

    Sunday Night: Snow.  Low around 15. Southwest wind 10 to 14 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 15 °F

    Snow

  • Washington's Birthday

    Washington's Birthday: Snow.  High near 22. West southwest wind 9 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 22 °F

    Snow

  • Monday Night

    Monday Night: Snow.  Low around 9. West southwest wind 10 to 14 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 9 °F

    Snow then
    Snow Likely

  • Tuesday

    Tuesday: Snow likely.  Mostly cloudy, with a high near 18. West wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 18 °F

    Snow Likely

The Last Word

02 / 13 / 25  <<  
 
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