21-22

Natural and Skier Triggered Avalanches near Schlasman's

Bridger Bowl
Bridger Range
Code
SS-N
Aspect Range
S-E-N
Latitude
45.81560
Longitude
-110.92300
Notes

A skier sent a video showing many new snow avalanches around the Schlasman's Lift. 

Number caught
0
Number buried
0
Avalanche Type
Soft slab avalanche
Trigger
Natural trigger
Problem Type
New Snow
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Multiple Avalanches
Advisory Year
21-22

Natural Slab Avalanche near Cooke City

COOKE CITY
Cooke City
Code
SS-N-R2-D2-O
Aspect
N
Latitude
45.02020
Longitude
-109.93800
Notes

From email: "I'd hypothesize that this avalanche might have happened sometime yesterday.  There was a light rain event on April 21, and an associated widespread (but minor) wet loose avalanche cycle on steep northerly aspects the same day.  And it appears from the photo that the slabslablanche might have happened subsequent to all the rollerball/ well loose activity.  Yesterday was very warm here also, with a high of 47 deg F at the NE Entrance at noon."

Number of slides
1
Number caught
0
Number buried
0
Avalanche Type
Soft slab avalanche
Trigger
Natural trigger
R size
2
D size
2
Bed Surface
O - Old snow
Problem Type
Wet Snow
Images
Natural Slab Avalanche near Cooke City
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Single Avalanche
Advisory Year
21-22

From email: "I'd hypothesize that this avalanche might have happened sometime yesterday.  There was a light rain event on April 21, and an associated widespread (but minor) wet loose avalanche cycle on steep northerly aspects the same day.  And it appears from the photo that the slab avalanche might have happened subsequent to all the roller ball/ well loose activity.  Yesterday was very warm here also, with a high of 47 deg F at the NE Entrance at noon." B. Fredlund

Avalanche Details: Natural Slab Avalanche near Cooke City
Forecast link: GNFAC Avalanche Forecast for Mon Apr 25, 2022GNFAC Avalanche Forecast for Fri Apr 29, 2022
Cooke City, 2022-04-24
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    • Skier Triggered Slide Avalanche Gulch

    Bridger Bowl
    Bridger Range
    Code
    SS-ASc-R3-D3-I
    Elevation
    8000
    Aspect
    E
    Latitude
    45.81560
    Longitude
    -110.92300
    Notes

    A pair of skiers ski cut the main chute of Avalanche Gulch. It propagated widely and ran approximately 800' vertical.

    Number of slides
    1
    Number caught
    0
    Number buried
    0
    Avalanche Type
    Soft slab avalanche
    Trigger
    Skier
    Trigger Modifier
    c-A controlled or intentional release by the indicated trigger
    R size
    3
    D size
    3
    Bed Surface
    I - Interface between new and old snow
    Problem Type
    New Snow
    Vertical Fall
    800ft
    Slab Thickness units
    centimeters
    Single / Multiple / Red Flag
    Single Avalanche
    Advisory Year
    21-22

    Skier Triggered Mad Man's Repeat

    Bridger Bowl
    Bridger Range
    Code
    SS-ASu-R3-D2-I
    Elevation
    8275
    Aspect
    NE
    Latitude
    45.81560
    Longitude
    -110.92300
    Notes

    A group skied Manman's and triggered the upper chute. When the initial avalanche hit the fan the slide propagated wider and ran "Well past the North Bowl Road"

    Number of slides
    1
    Number caught
    0
    Number buried
    0
    Avalanche Type
    Soft slab avalanche
    Trigger
    Skier
    Trigger Modifier
    u-An unintentional release
    R size
    3
    D size
    2
    Bed Surface
    I - Interface between new and old snow
    Problem Type
    New Snow
    Vertical Fall
    650ft
    Slab Thickness units
    centimeters
    Single / Multiple / Red Flag
    Single Avalanche
    Advisory Year
    21-22

    Skiers reported shooting cracks from their skis while ascending the terrain at Bridger Bowl. The group later remotely triggered an avalanche from 100'+ away that ran through the "Pearly Gates" and "Patrol Chute". 

    Avalanche Details: Remote Triggered Avalanche in Patrol Chute and the Pearly Gates
    Forecast link: GNFAC Avalanche Forecast for Mon Apr 25, 2022
    Bridger Range, 2022-04-23
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    • Skiers reported shooting cracks from their skis while ascending the terrain at Bridger Bowl. The group later remotely triggered an avalanche from 100'+ away that broke in both "Patrol Chute" and the "Pearly Gates". 

    Avalanche Details: Remote Triggered Avalanche in Patrol Chute and the Pearly Gates
    Forecast link: GNFAC Avalanche Forecast for Mon Apr 25, 2022
    Bridger Range, 2022-04-23
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    • Shooting Cracks at Bridger Bowl

    Bridger Bowl
    Bridger Range
    Code
    Latitude
    45.81560
    Longitude
    -110.92300
    Notes

    Skiers reported shooting cracks from their skis while ascending the terrain at Bridger Bowl. The group later remotely triggered an avalanche from 100'+ away. 

    Number of slides
    0
    Number caught
    0
    Number buried
    0
    Images
    Shooting Cracks at Bridger Bowl
    Slab Thickness units
    centimeters
    Single / Multiple / Red Flag
    Red Flag
    Advisory Year
    21-22
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