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  • MESO: Mesoscale Discussion 2310

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sat Dec 9 23:04:33 2023
    ACUS11 KWNS 092304
    SWOMCD
    SPC MCD 092303=20
    KYZ000-TNZ000-ALZ000-MSZ000-100030-

    Mesoscale Discussion 2310
    NWS Storm Prediction Center Norman OK
    0503 PM CST Sat Dec 09 2023

    Areas affected...portions of extreme northeast Mississippi...extreme
    northwest Alabama...middle Tennessee

    Concerning...Tornado Watch 715...

    Valid 092303Z - 100030Z

    The severe weather threat for Tornado Watch 715 continues.

    SUMMARY...The severe threat continues across Tornado Watch 715. All
    severe hazards remain possible into the evening. A locally higher
    tornado threat may materialize along or just north of the TN/AL
    border if discrete, dominant supercells can develop.

    DISCUSSION...A mix of embedded supercells and linear storm modes
    persist ahead of a cold front across middle TN into northern MS.
    These storms are approaching the eastern most bounds of Tornado
    Watch 714 and are entering Tornado Watch 715. Ahead of the ongoing
    band of storms, discrete convection is trying to mature, with a
    supercell structure trying to materialize in the Tishomingo County,
    MS area. The northeast extent of the better surface-based
    instability extends into middle TN to extreme northwest AL area,
    where mesoanalysis has shown an appreciable increase in the size and
    curvature of low-level hodographs (with effective SRH approaching
    300 m2/s2 in spots). As such, any discrete storms that can mature
    into sustained supercells may support a locally higher tornado
    threat, and a strong tornado cannot be completely ruled out.

    ..Squitieri.. 12/09/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!7DJcxDQ6lA-CaHPFTFgnMWhcClek21fX75fjWkmuQToXwZuqf5IIryT276K9eWRTU9hTX1t1e= Acxs2JUDPbtJOhzUec$ for graphic product...

    ATTN...WFO...MRX...JKL...LMK...OHX...BMX...HUN...MEG...

    LAT...LON 34308901 36178665 37378515 37418452 37108429 36298485
    35448561 34838624 34498678 34318764 34308901=20


    =3D =3D =3D
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