Wet slide to the ground above Quake Lake. Photo: K Kramer
Trip Planning for Southern Madison
Past 5 Days
Considerable
Considerable
None
None
None
Relevant Avalanche Activity
WS-AMr-R2-D2-O
Elevation: 8,600
Aspect: E
Coordinates: 45.0607, -111.2720
Caught: 0 ; Buried: 0
From IG: A group of riders noted very wet snow west of Cabin Creek and Southwest of the Taylor Fork. They were sinking to the ground where it was unconsolidated. The group remotely triggered a wet slab avalanche from the ridge top. There were shooting cracks that connected their location to the avalanche. This is an interesting of persistent weak layer and wet snow avalanche problems.
More Avalanche Details
WS-N-R2-D2-G
Coordinates: 44.8524, -111.3920
Caught: 0 ; Buried: 0
From IG: Wet slide to the ground above Quake Lake.
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C-ASu
Coordinates: 45.1582, -111.4770
Caught: 0 ; Buried: 0
From obs: " Unintentionally triggered a large cornice collapse on the south face of the Sphinx. "
More Avalanche Details
Relevant Photos
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Skiers unintentionally triggered this cornice above the south face of the Sphinx. No one was caught. Photo: Anonymous
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There was a full-depth wet slab avalanche that broke last week during the warm-up on Lightning Ridge. GNFAC
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We saw one new wind-slab avalanche in Sunlight Basin. It was small. From a distance, it appeared to be about 6" deep and 30' across (R1-D1). GNFAC
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Spring cornices are growing very large above many wind-loaded slopes. GNFAC
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We rode from Taylor Fork through Cabin Creek on March 17. We saw a few recent slab avalanches that happened after the last snowfall, and some recent natural wet loose avalanches, and a cornice fall. Photo: GNFAC
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We rode from Taylor Fork through Cabin Creek on March 17. We saw a few recent slab avalanches that happened after the last snowfall, and some recent natural wet loose avalanches, and a cornice fall. Photo: GNFAC
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We rode from Taylor Fork through Cabin Creek on March 17. We saw a few recent slab avalanches that happened after the last snowfall, and some recent natural wet loose avalanches, and a cornice fall. Photo: GNFAC
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We rode from Taylor Fork through Cabin Creek on March 17. We saw a few recent slab avalanches that happened after the last snowfall, and some recent natural wet loose avalanches, and a cornice fall. Photo: GNFAC
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A natural or human-triggered avalanche near the skin track at Bacon Rind. Photo: GNFAC
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A natural or human-triggered avalanche near the skin track at Bacon Rind. Photo: GNFAC
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Deep shooting cracks near an avalanche at Bacon Rind. Photo: GNFAC
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We rode into Tepee Basin and saw two recent avalanches on 3/2/24. This one looked like it maybe happened yesterday, on a heavily wind-loaded slope below some cornices, 2-2.5' deep and 250-300' wide. Photo: GNFAC
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We rode into Tepee Basin and saw two recent avalanches on 3/2/24. One looked like it happened this morning on a treed ridgeline, 1-1.5' deep 150-200' wide. Photo: GNFAC
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Skiers on 03/02/2024 saw a natural avalanche on an east-facing slope and broke 3-4' deep and 100' wide. This avalanche likely happened in the last 24 hours. Photo: A. Faulkner
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We noted a relatively small avalanche on the wall of Sage Basin that failed naturally within the storm snow. Photo: GNFAC
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Skiers on 02/22/2024 observed an old avalanche that appeared to of been natural that happened sometime last week near 02/15 -02/16. Photo: H. Bigos-Lowe
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The skillet slid sometime recently. Based on the snow on top I'm guessing Thursday-Friday last week (Feb 15-16th), but it could have happened up to a week earlier. Broke ~2 ft deep, 150 ft wide, and it was hard to tell how far it ran, but I'm estimating 200 vertical feet. Photo: GNFAC
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From IG: 2 avalanches from either this morning or yesterday at the bottom of Skyline ridge 2’ at the crown
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From FB 02/17/24: "Observed runout debris from a small avalanche on a south facing forested slope in Upper Tepee Basin. Shows avalanches can occur through forested areas." Photo: C. Sexton
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From obs: "We observed another, probably rider triggered avalanche in Wapiti Creek that broke on old snow near the ground ~2 feet deep and ~60ft across." Photo: S. Jett
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From obs: "We observed large natural avalanches from afar on the west side of Snowslide Mountain. We observed these from a few miles away and were probably several feet deep and a few hundred feet wide." Photo: S. Jett
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From obs: "We observed large natural avalanches from afar on...the east aspect of a peak south of Woodward Mountain. We observed these from a few miles away and were probably several feet deep and a few hundred feet wide." Photo: S. Jett
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Natural avalanche in Sunlight Basin. Photo taken 2/14/24. Slide appeared to be a few days old. Photo Credit: GNFAC
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Avalanche in Sage Basin that appeared likely to have been remotely triggered by a snowmobiler from ~100 ft away. Photo taken 2/14/24. Slide was fresh, likely broke yesterday, 2/13/24. Photo Credit: GNFAC
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Natural avalanche in Sage Basin. Photo taken 2/14/24. Slide appeared to be a few days old. Photo Credit: GNFAC
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Natural avalanche in Sage Basin. Photo taken 2/14/24. Slide appeared to be a few days old. Photo Credit: GNFAC
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An overview photo of the 3/4 mile wide avalanche in Tepee Basin. Photo: A. Vaughn
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Photo of a natural avalanche that was reported on 02/09/2024. Photo taken on 02/10/2024. Photo: Z. Peterson
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Photo of a natural avalanche that was reported on 02/09/2024. Photo taken on 02/10/2024. Photo: Z. Peterson
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A portion of the debris pile from a rider triggered an avalanche on 02/07/2024. This avalanche broke 3/4 of a mile wide and had multiple large piles of debris with this being one of the largest.
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The contiuation of the crown of an avalanche that was remotely triggered by a rider on 02/07. This was a very wide avalanche that broke 3/4 of a mile long, 3-4' deep. Photo: GNFAC
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The crown of an avalanche that was remotely triggered by a rider on 02/07. This was a very wide avalanche that broke 3/4 of a mile long, 3-4' deep. Photo: GNFAC
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This crack opened up above our snowpit as we made our exit away from the steeper terrain of the "Skillet" run toward low-angle trees. Photo: GNFAC
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We triggered booming collapses and watched cracks shoot out across terrain features and snow shake off nearby trees for the entirety of our tour from the meadow near the car to the top of the Skillet. Photo: GNFAC
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From obs: "We heard numerous large-scale collapses and witnessed the development of propagating tensile fractures on a 20°-25° slope along the skin track.... We skied this location 4 times this week. Each time, we experienced collapsing and fracturing within the snowpack. and stuck to skiing conservative, low-angle lines." Photo: T. Kalakay
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We saw multiple old avalanches that happened sometime in the last week, likely near the end of the last storm. Photo: GNFAC
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We saw multiple old avalanches that happened sometime in the last week, likely near the end of the last storm. Photo: GNFAC
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Recent avalanches seen in Taylor Fork near Beaver Creek. These likely happened on 01/31/2024. Photo: GNFAC
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From email: "A friend and I were riding in lower Tepee today, staying on low angle terrain because of the current avalanche conditions. When side hilling on a 24 degree slope, I saw cracks shoot out approximately 100 feet around me. It was a smaller slope, but things are still pretty sensitive. This was a north facing slope in a valley that shouldn’t have been too wind loaded. " Photo: J. Norlander
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Weather Stations- Southern Madison
Weather Forecast Southern Madison
Extended Forecast for20 Miles S Big Sky MT
Winter Storm Watch April 26, 06:00am until April 28, 06:00amClick here for hazard details and duration Winter Storm Watch-
Tonight
Mostly Cloudy
then Chance
Rain/SnowLow: 33 °F
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Thursday
Chance
Rain/Snow
then
Rain/SnowHigh: 48 °F
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Thursday
NightRain/Snow
then Snow
LikelyLow: 31 °F
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Friday
Snow
High: 41 °F
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Friday
NightSnow
Low: 30 °F
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Saturday
Snow
High: 38 °F
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Saturday
NightSnow Likely
then Chance
SnowLow: 28 °F
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Sunday
Snow Likely
High: 42 °F
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Sunday
NightSlight Chance
Snow Showers
then Mostly
CloudyLow: 27 °F
The Last Word
We began our daily forecasts on December 7. 130 daily forecasts and 464 reported avalanches later, we wrapped up our daily forecasting season on April 14th. While avalanches remain a concern until the snow is in the rivers, read our SEASON SUMMARY to look back at the heart of the 2023-24 avalanche year.