22-23

Collapse At Telemark Meadows

Telemark Meadows
Southern Madison
Code
Latitude
44.89950
Longitude
-111.06800
Notes

From Obs: "Big (tennis court size) collapse and whumpf on the upper meadows at Telemark Meadows in flat terrain. No other reactivity to report from a few laps on the main ski slope."

Number of slides
0
Number caught
0
Number buried
0
Snow Observation Source
Collapse At Telemark Meadows
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Red Flag
Advisory Year
22-23

Snowmobile triggered avalanche Beartooth Pass

Beartooth Pass
Out of Advisory Area
Code
SS-AMu-R2-D2
Latitude
44.96910
Longitude
-109.47200
Notes

From obs: "I triggered an avalanche on the way back down the mountain. I'm unsure of the exact location but a buddy said it was under bear tooth butte. I was able to outrun the avalanche, and there were no injuries."

Number of slides
1
Number caught
0
Number buried
0
Avalanche Type
Soft slab avalanche
Trigger
Snowmobile
Trigger Modifier
u-An unintentional release
R size
2
D size
2
Images
Snowmobile triggered avalanche Beartooth Pass2
Snowmobile triggered avalanche Beartooth Pass
Snow Observation Source
Snowmobile triggered avalanche
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Single Avalanche
Advisory Year
22-23

Snowmchine remote trigger Large avalanche near Lake Abundance

COOKE CITY
Cooke City
Code
HS-AMr-R4-D2.5-O
Elevation
8650
Aspect
NE
Latitude
45.08100
Longitude
-110.00400
Notes

From obs: "Large avalanche with small tree and branch debris. Located on the lower NE bench face of Mt Abundance, near Lake Abundance. There were snowmobile tracks near the slide but could not determine if that was the cause. Approx 2000 feet across. Possibly 4-6 feet deep but couldn't tell from the bottom of the hill." 

 

Number of slides
1
Number caught
0
Number buried
0
Avalanche Type
Hard slab avalanche
Trigger
Snowmobile
Trigger Modifier
r-A remote avalanche released by the indicated trigger
R size
4
D size
2.5
Bed Surface
O - Old snow
Problem Type
Persistent Weak Layer
Slab Thickness
36.0 inches
Vertical Fall
350ft
Slab Width
1000.00ft
Images
Abundance Lake Avy 2
Abundance Lake Avy 1
Snow Observation Source
Large slab avalanche near Lake Abundance
Slab Thickness units
inches
Single / Multiple / Red Flag
Single Avalanche
Advisory Year
22-23

From obs: "Large avalanche with small tree and branch debris. Located on the lower NE bench face of Mt Abundance, near Lake Abundance. There were snowmobile tracks near the slide but could not determine if that was the cause. Approx 2000 feet across. Possibly 4-6 feet deep but couldn't tell from the bottom of the hill." Photo: D Green

 

Avalanche Details: Snowmchine remote trigger Large avalanche near Lake Abundance
Cooke City, 2023-03-13
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    • From obs: "Large avalanche with small tree and branch debris. Located on the lower NE bench face of Mt Abundance, near Lake Abundance. There were snowmobile tracks near the slide but could not determine if that was the cause. Approx 2000 feet across. Possibly 4-6 feet deep but couldn't tell from the bottom of the hill." Photo: D Green

    Avalanche Details: Snowmchine remote trigger Large avalanche near Lake Abundance
    Cooke City, 2023-03-13
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    • Many Natural Avalanches Lionhead Area

    LIONHEAD AREA
    Lionhead Range
    Code
    N-R4-D3
    Latitude
    44.72920
    Longitude
    -111.32300
    Notes

    Riders observed many natural avalanches at Lionhead. They likely failed between Thursday night and Saturday (3/9-3/11).

    Number of slides
    1
    Number caught
    0
    Number buried
    0
    Trigger
    Natural trigger
    R size
    4
    D size
    3
    Images
    Natural Avalanches Lionhead Area 7
    Natural Avalanches Lionhead Area 6
    Natural Avalanches Lionhead Area 5
    Natural Avalanches Lionhead Area 4
    Natural Avalanches Lionhead Area 3
    Natural Avalanches Lionhead Area 2
    Natural Avalanches Lionhead Area 1
    Slab Thickness units
    centimeters
    Single / Multiple / Red Flag
    Single Avalanche
    Advisory Year
    22-23
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