• MESO: Mesoscale Discussion 1619

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sunday, November 04, 2018 00:33:32
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    ACUS11 KWNS 040033
    SWOMCD
    SPC MCD 040033
    OKZ000-TXZ000-040230-

    Mesoscale Discussion 1619
    NWS Storm Prediction Center Norman OK
    0733 PM CDT Sat Nov 03 2018

    Areas affected...South-central Oklahoma...Portions of north-central
    Texas

    Concerning...Severe potential...Watch unlikely

    Valid 040033Z - 040230Z

    Probability of Watch Issuance...5 percent

    SUMMARY...Storm coverage along a cold front will increase with the
    approach of a shortwave trough. Weak buoyancy should limit any
    threat to a few marginally severe wind gusts. No WW is expected.

    DISCUSSION...Convection along a cold front draped across central
    Oklahoma and North Texas has increased over the last hour per
    regional radar mosaic. With the approach of shortwave trough, now
    over the South Plains of Texas, coverage will likely increase by
    01-02Z. Per 00Z FWD sounding, 35-45 kts of effective shear exists
    across the boundary, however, instability is a meager 183 J/kg of
    SBCAPE. While cooling aloft may lead to a modest increase in
    instability, overall threat should be limited to a few marginally
    severe wind gusts at best. A WW is unlikely.

    ..Wendt/Hart.. 11/04/2018

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

    ATTN...WFO...FWD...OUN...

    LAT...LON 34239720 34469676 34349615 33889610 32159670 31499731
    31289815 32079829 32709805 34239720



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