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  • MESO: Mesoscale Discussion 1429

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wednesday, September 05, 2018 06:52:32
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    ACUS11 KWNS 050652
    SWOMCD
    SPC MCD 050651
    FLZ000-ALZ000-050715-

    Mesoscale Discussion 1429
    NWS Storm Prediction Center Norman OK
    0151 AM CDT Wed Sep 05 2018

    Areas affected...a tiny part of southwest AL

    Concerning...Tornado Watch 369...

    Valid 050651Z - 050715Z

    The severe weather threat for Tornado Watch 369 continues.

    SUMMARY...The risk for a brief/weak tornado will continue to
    diminish as the center of Gordon moves farther inland and the wind
    fields over southwest AL become less favorable for a brief/weak
    spinup. The tornado watch may be cancelled early prior to the
    expiration time of 4am CDT.

    DISCUSSION...Radar imagery/surface analysis composite shows the
    center of Gordon slowly moving farther north into southeastern MS.
    A north-south band of convection is located over Baldwin County, AL
    with little movement observed during the past few hours. The KMOB
    VAD has shown a dramatic reduction in hodograph size during the past
    3 hours as the circulation center has become increasingly displaced
    to the north and the envelope of the stronger low-level flow has
    veered and moved northward. Despite an observed moist axis (76
    degrees F surface dewpoints) protruding from the Gulf northward
    through Baldwin County, the trends in the wind field will likely
    lead to further reduction in the potential for consequential shear
    eddies to develop within the mature convective band.

    ..Smith.. 09/05/2018

    ...Please see www.spc.noaa.gov for graphic product...

    ATTN...WFO...MOB...

    LAT...LON 30198757 30888772 30868739 30248730 30198757



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