19-20

Skier triggered wet loose at Fairy Lake

Fairy Lake
Bridger Range
Code
WL-ASu-R1-D1.5
Elevation
9000
Aspect
NE
Latitude
45.90430
Longitude
-110.95800
Notes

From IG message on June 11, 2020: "...Just wanted to let you know, I was up by fairy lake this morning, and the new snow we got earlier this week was very much still a hazard. Skinning up the fairy lake basin was deceptive, because most of the new snow had melted out there and it was just refrozen corn, but most of the S and E aspects of that area slid naturally on the new snow. I also triggered a small point release on a NE solar aspect that ended up entraining a large amount of snow as it went and was again surprising because both my partner and I had felt quite safe on the snow we’d been on throughout our approach. It certainly caught us off guard and we got out of there safely, but was just a good reminder to not get complacent."

Number of slides
1
Number caught
0
Number buried
0
Avalanche Type
Wet loose-snow avalanche
Trigger
Skier
Trigger Modifier
u-An unintentional release
R size
1
D size
1.5
Problem Type
Wet Snow
Images
Skier triggered wet loose at Fairy Lake
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Single Avalanche
Advisory Year
19-20

A skier triggered this slide on June 11th near Fairy Lake. They were not caught, but it was a good reminder to stay heads up on the snow all year. From message: "...Red is where I triggered it, blue and yellow are the two separate debris piles from it. Nobody was caught, I was the only one involved. It wasn’t a huge slide by any means, but certainly could have run me through some cliffs and buried me."

Avalanche Details: Skier triggered wet loose at Fairy Lake
Bridger Range, 2020-06-16
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    • Skier triggered wet slab, Middle Basin

    Middle Basin
    Northern Madison
    Code
    WS-ASu-R3-D2-I
    Elevation
    10000
    Aspect
    SE
    Latitude
    45.34280
    Longitude
    -111.38600
    Notes

    From (5/17/20): "...WS - ASu - R3 - D2 - I SE face of Middle Basin Peak starting at 10,000' Estimated SZ of 30° S Slab depth of about 8". We were out too late in the day and chose to ignore a number of observational warnings. We were lucky and remotely triggered the avalanche below us."

    Number of slides
    1
    Number caught
    0
    Number buried
    0
    Avalanche Type
    Wet 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
    Wet Snow
    Slab Thickness
    8.0 inches
    Vertical Fall
    650ft
    Slab Width
    300.00ft
    Images
    Skier triggered wet slab Middle Basin 2
    Skier triggered wet slab Middle Basin
    Slab Thickness units
    inches
    Single / Multiple / Red Flag
    Single Avalanche
    Advisory Year
    19-20

    From (5/17/20): "...WS - ASu - R3 - D2 - I SE face of Middle Basin Peak starting at 10,000' Estimated SZ of 30° Slab depth of about 8". We were out too late in the day and chose to ignore a number of observational warnings. We were lucky and remotely triggered the avalanche below us."

    Avalanche Details: Skier triggered wet slab, Middle Basin
    Northern Madison, 2020-05-21
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