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  • MESO: Mesoscale Discussion 1787

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sun Jul 30 19:36:07 2023
    ACUS11 KWNS 301936
    SWOMCD
    SPC MCD 301935=20
    GAZ000-FLZ000-ALZ000-MSZ000-302200-

    Mesoscale Discussion 1787
    NWS Storm Prediction Center Norman OK
    0235 PM CDT Sun Jul 30 2023

    Areas affected...central and southeastern Mississippi eastward to
    central and southern Georgia

    Concerning...Severe potential...Watch unlikely=20

    Valid 301935Z - 302200Z

    Probability of Watch Issuance...20 percent

    SUMMARY...Scattered strong storms, capable of producing brief bouts
    of marginally severe hail and gusty winds, will spread southward
    across Mississippi/Alabama/Georgia this afternoon. WW issuance
    appears unlikely.

    DISCUSSION...A moist airmass across the Southeast U.S. continues to
    moderately destabilize this afternoon, in response to diurnal
    heating. This has led to ongoing/increasing development of
    thunderstorms, from central Mississippi east to central and southern
    Georgia. Moderate northerly/northwesterly flow aloft is resulting
    in southward advance of the storms, and has supported some loose
    linear organization across Alabama.

    Given the thermodynamic environment, storms will likely continue to
    increase in coverage this afternoon. However, the lack of more
    substantial flow aloft should result in generally disorganized
    updrafts, and thus largely pulse-type/isolated severe potential.=20
    Should storms evolve into a more organized line, somewhat greater
    potential for wind gusts at or near severe levels could evolve.=20
    Aside from this evolution however, WW issuance remains unlikely
    across the region.

    ..Goss/Thompson.. 07/30/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!41E5FzvWRityUx-rVup8AGDDRMrOtT6QabgsycP7z_eUZN22qurxvaaT5UBScCvhxWsTaEgsO= 8ew-UKofKI2-UMht7k$ for graphic product...

    ATTN...WFO...CHS...JAX...FFC...TAE...BMX...MOB...JAN...

    LAT...LON 32848981 32758907 32158847 32208778 32368726 32198606
    32388475 32668437 33048399 33118318 32198177 31218213
    30698576 30598772 31108950 31919026 32848981=20


    =3D =3D =3D
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