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  • MESO: Mesoscale Discussion 0720

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thu May 9 02:32:22 2024
    ACUS11 KWNS 090232
    SWOMCD
    SPC MCD 090231=20
    SCZ000-NCZ000-GAZ000-090400-

    Mesoscale Discussion 0720
    NWS Storm Prediction Center Norman OK
    0931 PM CDT Wed May 08 2024

    Areas affected...far western North Carolina...northwestern South
    Carolina...and northeastern Georgia

    Concerning...Severe potential...Watch possible=20

    Valid 090231Z - 090400Z

    Probability of Watch Issuance...60 percent

    SUMMARY...Severe/supercell storms moving across southern
    Appalachians will begin to spread east of WW 211 in the next hour.=20
    New WW may be required.

    DISCUSSION...Latest radar shows strong/severe storms -- including
    embedded supercells -- moving eastward across eastern Tennessee,
    northern Alabama, and northwestern Georgia. Hints of upscale growth
    into banded structures is indicated within the overall area of
    widespread convection, with likelihood that convection will continue
    over the next few hours.

    As such, storms will begin spreading out of WW 211 over the next
    hour or so. The downstream airmass in lee of the Appalachians is
    less unstable, particularly from northeastern Tennessee into
    northern and central North Carolina. Convection moving into
    northeastern Tennessee has shown a gradual weakening trend,
    confirming the less-favorable airmass.

    However, across far southwestern North Carolina and northwestern
    South Carolina, and into northeastern Georgia, a more favorably
    unstable airmass exists. This would appear to be the most likely
    area for continued severe-weather potential in the next 2 to 4
    hours. This threat -- which would include locally damaging winds,
    marginal hail, and possibly a tornado or two -- may require new WW
    issuance.

    ..Goss/Hart.. 05/09/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!_1oHVTsAoThtFGl_fW4HR25wVxp_t6BTWJ5Bf1Asos4dQIJMNwHGWlT2Agqvg8PQ9EXxvZY2A= Pu43MiZCS-XEs_65wA$ for graphic product...

    ATTN...WFO...CAE...GSP...MRX...FFC...

    LAT...LON 35678317 35308231 34418203 33968236 34148309 34558369
    35348396 35678317=20


    =3D =3D =3D
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