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  • MESO: Mesoscale Discussion 1158

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tue Jun 4 02:23:57 2024
    ACUS11 KWNS 040223
    SWOMCD
    SPC MCD 040223=20
    MSZ000-LAZ000-ARZ000-TXZ000-040430-

    Mesoscale Discussion 1158
    NWS Storm Prediction Center Norman OK
    0923 PM CDT Mon Jun 03 2024

    Areas affected...East Texas...North-central Louisiana...Western and
    Central Mississippi

    Concerning...Severe Thunderstorm Watch 387...

    Valid 040223Z - 040430Z

    The severe weather threat for Severe Thunderstorm Watch 387
    continues.

    SUMMARY...An isolated wind-damage threat will be possible as a
    linear MCS moves into the central Gulf Coast states during the
    overnight period. The ongoing severe thunderstorm watch has been
    extended in area into south-central Mississippi, and may also need
    to be extended in time over parts of far eastern Texas and far
    western Louisiana.

    DISCUSSION...Mosaic radar imagery over the lower Ohio and Sabine
    River Valleys shows two organized line segments. The first is a
    larger-scale line associated with an MCS that is moving into western Mississippi. The second is a relatively small-scale bowing line
    segment over northeast Texas. These two features are located within
    a moderately unstable airmass, with the RAP analyzing MLCAPE in the
    2000 to 3000 J/kg range. In addition, the WSR-88D VWP at Fort Polk,
    LA and 00Z sounding at Jackson, MS have 0-6 km shear near 35 knots,
    and gradually veering winds with height in the lowest 3 km. This
    wind profile will be continue to be favorable for linear
    organization, associated with an isolated wind-damage threat late
    this evening into the overnight period. The threat should be
    greatest from eastern Louisiana and western Mississippi, although a
    secondary threat area will exist near the Sabine River in western
    Louisiana.

    ..Broyles.. 06/04/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!9FGtu_INtfpa1kDs0ocvfIfGt-ZBI4wtcukn-vKfS5Ap1088oXtarDJeZZBTFFE24S5eh5Gh8= _RSvBGFPwpOvfk6NEo$ for graphic product...

    ATTN...WFO...MEG...JAN...LIX...LCH...SHV...

    LAT...LON 32419187 32269283 32539408 32529478 32339503 32039502
    31629469 31239391 31049209 31409059 32448948 33008914
    33458903 33788918 33938974 33939042 33759073 33149113
    32419187=20


    =3D =3D =3D
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