• MESO: Mesoscale Discussion 0378

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tue Apr 13 19:44:37 2021
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    ACUS11 KWNS 131944
    SPC MCD 131944=20

    Mesoscale Discussion 0378
    NWS Storm Prediction Center Norman OK
    0244 PM CDT Tue Apr 13 2021

    Areas affected...southern Louisiana

    Concerning...Severe Thunderstorm Watch 94...

    Valid 131944Z - 132145Z

    The severe weather threat for Severe Thunderstorm Watch 94

    SUMMARY...Severe risk continues -- mainly over coastal areas of
    southern Louisiana.

    DISCUSSION...Latest radar loop shows outflow from widespread inland
    convection now moving southward toward/off the southern Louisiana
    Coast, and is expected to clear all Parishes west of the river in
    the next 1 to 2 hours. Greatest ongoing severe risk remains with
    the more surface-based storms near this outflow -- across Terrebonne/Lafourche/Jefferson/Plaquemines Parishes, where large
    hail and locally strong/possibly damaging gusts may occur.

    Elsewhere, weaker storms in a warm-advection regime north of the
    outflow are increasing across south central Louisiana. While some
    hail cannot be ruled out, the greater risk should taper off as
    outflow advances into the northern Gulf of Mexico.

    ..Goss.. 04/13/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!owm6hTQZkwse8Ouv9WVd1TSRne8tKOd_FdRz4Q5jIDtmkbO5JiCjotAHifuoPEi4mSFeGln0$=
    for graphic product...


    LAT...LON 29789242 29899211 29839161 29719098 29749058 29998996
    29858932 29468905 28808883 28729130 29289212 29789242=20

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