• MESO: Mesoscale Discussion 2279

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tue Nov 21 02:48:21 2023
    ACUS11 KWNS 210248
    SWOMCD
    SPC MCD 210247=20
    ALZ000-MSZ000-LAZ000-210445-

    Mesoscale Discussion 2279
    NWS Storm Prediction Center Norman OK
    0847 PM CST Mon Nov 20 2023

    Areas affected...southern Mississippi into southwest Alabama

    Concerning...Tornado Watch 712...

    Valid 210247Z - 210445Z

    The severe weather threat for Tornado Watch 712 continues.

    SUMMARY...A tornado or two remains possible this evening over
    southern Mississippi, with a few damaging gusts possible as well.
    The severe risk may eventually spread into parts of southwest
    Alabama later tonight.

    DISCUSSION...A broken line of storms including a few supercells
    currently stretch east-central MS southwestward into southwest LA.
    Deep-layer shear remain favorable to sustain cells this evening,
    with effective SRH maximized over central MS currently.=20

    Persistent southerly winds in the lower 2 km will continue to aid
    moisture advection, with upper 60s F dewpoints spreading north
    across southwest AL ahead of the ongoing MS storms. A somewhat
    stable air mass exists east of a batch of warm advection showers now
    forming over southwest AL, and this general zone may be as far east
    as the main severe risk gets tonight.=20

    As cells continue east across MS and approach the AL state line,
    additional watches may be considered.

    ..Jewell.. 11/21/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!6GnlU4H91BTgKb3ZqNQdqtauSRq-zM2vC9zlsrL18w-LZJFB7H-cF_e5a9T1tb0tmxH6zk_X-= O6QdikAQx7m6tZT8B4$ for graphic product...

    ATTN...WFO...BMX...MOB...JAN...LIX...

    LAT...LON 31389080 31788989 32128918 32448848 32428803 32258787
    31668765 31318778 31048803 30738909 30669006 30669082
    30809105 30979112 31139108 31389080=20


    =3D =3D =3D
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