Cooke City

On my drive to Cooke City I saw old slab avalanches in YNP near Mammoth and on Abiathar and Ampitheater among other places. These appeared to have happened earlier in the week. I also saw a more fresh looking persistent slab avalanche on Barronette, 2-3' deep and as wide as its terrain feature, 100-200' Photo: GNFAC

Avalanche Details: Natural Avalanche on Barronette
Forecast link: GNFAC Avalanche Forecast for Sun Mar 10, 2024GNFAC Avalanche Forecast for Mon Mar 11, 2024
Cooke City, 2024-03-08
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    • Avalanche north side of Scotch Bonnet

    Scotch Bonnet
    Cooke City
    Code
    R1-D1.5-O
    Aspect
    N
    Latitude
    45.07330
    Longitude
    -109.94800
    Notes

    We saw one small but deep slab on the north side of Scotch Bonnet, 6' deep x 30' wide, R1-D1.5.

     

    Number of slides
    1
    Number caught
    0
    Number buried
    0
    R size
    1
    D size
    1.5
    Bed Surface
    O - Old snow
    Problem Type
    Persistent Weak Layer
    Slab Thickness
    72.0 inches
    Slab Width
    30.00ft
    Images
    Small deep slab north side Scotch Bonnet
    Snow Observation Source
    Dozens of large avalanches
    Slab Thickness units
    inches
    Single / Multiple / Red Flag
    Single Avalanche
    Advisory Year
    23-24

    Avalanche South side of Scotch Bonnet

    Scotch Bonnet
    Cooke City
    Code
    HS-R4-D3-O
    Aspect
    S
    Latitude
    45.07330
    Longitude
    -109.94800
    Notes

    We saw a fresh huge avalanche on the south side of Scotch Bonnet that happened today, 03/08, or late yesterday. 4-6' deep and 300' wide. R4-D3-O. 

     

    Number of slides
    1
    Number caught
    0
    Number buried
    0
    Avalanche Type
    Hard slab avalanche
    R size
    4
    D size
    3
    Bed Surface
    O - Old snow
    Problem Type
    Persistent Weak Layer
    Slab Thickness
    60.0 inches
    Slab Width
    300.00ft
    Images
    Scotch Bonnet from toe - 8 Mar
    Scotch Bonnet Large crown from far - 8 Mar
    Scotch Bonnet crown - 8 Mar
    Scotch Bonnet debris - 8 Mar
    Attached Videos
    Huge Avalanche, Scotch Bonnet - 8 Mar 2024
    Snow Observation Source
    Dozens of large avalanches
    Slab Thickness units
    inches
    Single / Multiple / Red Flag
    Single Avalanche
    Advisory Year
    23-24
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