19-20

Cornice fall avalanche MT. Blackmore

Mt Blackmore
Northern Gallatin
Code
C-NC-R2-D2-O
Elevation
10000
Aspect
N
Latitude
45.44440
Longitude
-111.00400
Notes

From IG message (4/10/20): "Huge cornice release on north face of Blackmore today around 11am. North face was not hot yet but I am guessing the rocks on the back side transferred the heat?"

Number of slides
1
Number caught
0
Number buried
0
Avalanche Type
Cornice fall
Trigger
Cornice fall
R size
2
D size
2
Bed Surface
O - Old snow
Problem Type
Wind-Drifted Snow
Vertical Fall
700ft
Slab Width
40.00ft
Images
Cornice fall avalanche MT. Blackmore debris close up
Cornice fall avalanche MT. Blackmore
Slab Thickness units
centimeters
Single / Multiple / Red Flag
Single Avalanche
Advisory Year
19-20

From IG message (4/10/20): "Huge cornice release on north face of Blackmore today around 11am. North face was not hot yet but I am guessing the rocks on the back side transferred the heat?" Photo: @graeme.emerson

Avalanche Details: Cornice fall avalanche MT. Blackmore
Forecast link: GNFAC Avalanche Forecast for Mon Apr 13, 2020
Northern Gallatin, 2020-04-11
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    • Wet loose slides at Bridger

    Bridger Bowl
    Bridger Range
    Code
    WL-N-R2-D2
    Elevation
    8300
    Aspect
    SE
    Latitude
    45.81560
    Longitude
    -110.92300
    Notes

    Wet loose slides observed running far into South Bowl morning of 4/10/20. Also slides reported crossing North Bowl road, and far down Slushman's Ravine.

    Number of slides
    2
    Number caught
    0
    Number buried
    0
    Avalanche Type
    Wet loose-snow avalanche
    Trigger
    Natural trigger
    R size
    2
    D size
    2
    Problem Type
    Wet Snow
    Images
    Wet debris in Slushman’s Ravine 2
    Wet debris in Slushman’s Ravine
    Wet slides in south bowl at Bridger
    Wet loose slides at Bridger
    Slab Thickness units
    centimeters
    Single / Multiple / Red Flag
    Multiple Avalanches
    Advisory Year
    19-20

    Natural Wet slide on Sphinx

    Sphinx Mountain
    Northern Madison
    Code
    WL-N
    Elevation
    9000
    Aspect
    SE
    Latitude
    45.15820
    Longitude
    -111.47700
    Notes

    From IG message (4/10/20): "My party and I observed a wet slide off of the s-se facing aspect of the Sphinx today around 1pm."

    Number of slides
    1
    Number caught
    0
    Number buried
    0
    Avalanche Type
    Wet loose-snow avalanche
    Trigger
    Natural trigger
    Problem Type
    Wet Snow
    Images
    Natural Wet slide on Sphinx
    Slab Thickness units
    centimeters
    Single / Multiple / Red Flag
    Single Avalanche
    Advisory Year
    19-20
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