• MESO: Mesoscale Discussion 2312

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sun Dec 29 05:35:08 2024
    ACUS11 KWNS 290535
    SWOMCD
    SPC MCD 290534=20
    GAZ000-ALZ000-TNZ000-FLZ000-290730-

    Mesoscale Discussion 2312
    NWS Storm Prediction Center Norman OK
    1134 PM CST Sat Dec 28 2024

    Areas affected...Eastern Alabama...Florida Panhandle...Extreme
    western Georgia...extreme southern Tennessee

    Concerning...Tornado Watch 721...722...

    Valid 290534Z - 290730Z

    The severe weather threat for Tornado Watch 721, 722 continues.

    SUMMARY...Severe threat will spread across eastern Alabama and the
    western Florida Panhandle into extreme western Georgia after
    midnight. New watch may be warranted later this morning downstream.

    DISCUSSION...An elongated QLCS, arcing roughly 500 miles, currently
    extends from middle Tennessee-central Alabama-southeast LA-northern
    Gulf of Mexico. This MCS is largely supported by a strong upper
    trough that has advanced into the lower MS Valley, and a pronounced
    LLJ that extends across AL into KY. This activity is expected to
    remain organized as it propagates downstream into an air mass that
    is adequately buoyant, but strongly sheared. Isolated damaging winds
    continue to be reported along the leading edge of the MCS, and a few
    embedded circulations are noted at times. Of note, a few pre-squall
    line supercells continue across southeast AL and the tornado
    potential appears to be a bit higher with these more isolated,
    longer-lived updrafts.

    With time, a new watch may be warranted downstream.

    ..Darrow.. 12/29/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!7nO0v2w9CN6BDnpkZigTQAaTlfGJ152-7rdTKH3xYOzSBW2NjQ1d5cUqH6dvYR51ELW--6Yo3= osBrZ9rQq0W2_kaXlY$ for graphic product...

    ATTN...WFO...MRX...FFC...TAE...BMX...HUN...MOB...

    LAT...LON 30348791 32508685 34908637 35118557 33578488 32018514
    30388652 30348791=20


    =3D =3D =3D
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