• MESO: Mesoscale Discussion 2319

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sun Dec 29 15:35:47 2024
    ACUS11 KWNS 291535
    SWOMCD
    SPC MCD 291535=20
    NCZ000-SCZ000-291700-

    Mesoscale Discussion 2319
    NWS Storm Prediction Center Norman OK
    0935 AM CST Sun Dec 29 2024

    Areas affected...central NC and northeast SC

    Concerning...Severe Thunderstorm Watch 726...

    Valid 291535Z - 291700Z

    The severe weather threat for Severe Thunderstorm Watch 726
    continues.

    SUMMARY...A threat for damaging wind and a brief tornado or two will
    spread eastward through midday.

    DISCUSSION...A long-lived QLCS has recently produced severe gusts in
    the Charlotte area (51 kt at KCLT and 53 kt at KEQY). Downstream
    instability is very weak to negligible, and lightning activity has
    diminished with the northern portion of the QLCS. However, very
    strong low-level flow (as noted on KCAE and TCLT VWPs prior to
    arrival of the line) and the current organized nature of the QLCS
    will continue to support a damaging-wind threat through the
    remainder of the morning. The strong low-level flow/shear will also
    support some potential for a brief line-embedded tornado.=20

    Longevity of the ongoing QLCS remains uncertain, due to the very
    weak instability. However, modest clearing and diurnal heating in
    advance of the QLCS will result in some steepening of low-level
    lapse rates, with a damaging-wind threat potentially spreading into
    northeast SC and a larger portion of central NC into early
    afternoon.

    ..Dean.. 12/29/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!5RRrHJXA8jrt1zavs31h84jhvgvD3sswMWcjaV-CxsCySlTQpCYvWengUQso9XdmH7BnvHjpR= XBk1284-tmLgTXN4x4$ for graphic product...

    ATTN...WFO...RAH...ILM...RNK...CHS...CAE...GSP...

    LAT...LON 36298076 36438010 36447959 36167896 34637851 33607849
    33137889 33027954 33308027 33968025 35368020 36298076=20


    =3D =3D =3D
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