• MESO: Mesoscale Discussion 0377

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tue Apr 13 16:44:31 2021
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    ACUS11 KWNS 131644
    SPC MCD 131643=20

    Mesoscale Discussion 0377
    NWS Storm Prediction Center Norman OK
    1143 AM CDT Tue Apr 13 2021

    Areas affected...southern Louisiana/southern Mississippi

    Concerning...Severe potential...Watch possible=20

    Valid 131643Z - 131845Z

    Probability of Watch Issuance...60 percent

    SUMMARY...Along with ongoing/local hail potential, risk for locally
    stronger wind gusts may increase to the point that WW issuance is
    warranted in the next hour or so.

    DISCUSSION...Latest radar loop shows a cluster of storms ongoing
    across portions of southern Louisiana at this time, near a marine
    warm front lying west-to-east across southern Louisiana. Several of
    the stronger storms -- including a small segment now approaching
    Tangipahoa Parish that has shown bowing tendencies over the past
    half hour or so -- have remained slightly elevated, north of the
    aforementioned front. However, though additional heating will be
    largely mitigated by increasing/expansive cloud cover, a slow
    northward advance of the higher theta-e air will contribute to some
    increase in risk for gusty/possibly damaging winds with stronger
    storms. Some signs of organization of convection in
    Lafayette/northern Vermilion Parish may represent a portion of this
    increasing wind risk. As such, WW issuance my be needed over the
    next hour, for portions of southeastern Louisiana.

    ..Goss/Thompson.. 04/13/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!tMvnT_TfI2o1VSl992qofqgWR1-cd6dE3dbmL8kA3IeD6V0F-C5y1JJqBR0RlUWcY6s7aAV4$=
    for graphic product...


    LAT...LON 30428906 30868991 30379221 29739300 29059071 28928914
    29408874 30428906=20

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