• MESO: Mesoscale Discussion 1993

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tue Aug 19 18:31:59 2025
    ACUS11 KWNS 191831
    SWOMCD
    SPC MCD 191831=20
    MOZ000-ILZ000-ARZ000-OKZ000-192030-

    Mesoscale Discussion 1993
    NWS Storm Prediction Center Norman OK
    0131 PM CDT Tue Aug 19 2025

    Areas affected...Southern Oklahoma into the Ozarks

    Concerning...Severe potential...Watch unlikely=20

    Valid 191831Z - 192030Z

    Probability of Watch Issuance...5 percent

    SUMMARY...Isolated wind damage will be possible this afternoon with
    scattered thunderstorms. A watch is unlikely.

    DISCUSSION...Near a surface boundary and a decaying MCV, scattered thunderstorms have developed within the Ozarks region. Farther
    southwest into Oklahoma, convection is slowly developing and should
    increase in coverage over the next few hours. Shear is quite weak as
    are mid-level lapse rates. Even so, a very moist airmass has fueled
    2000-3000 J/kg MLCAPE. With surface temperatures in the 90s to 100 F
    in some areas, steep low-level lapse rates will allow for efficient
    wet microburst production with the stronger storm cores. A few
    isolated strong to marginally severe winds will be possible with an
    attendant threat for wind damage.

    ..Wendt/Gleason.. 08/19/2025

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!6RpYyYW-8YfafTR7N7pZvBT2qNxz1mXdbzxTSnF3Iosxqq6LkgF1jDDc_3GtX1af8jNF4nR89= EVstZ__olO2cZfMdz8$ for graphic product...

    ATTN...WFO...PAH...MEG...LSX...LZK...SGF...SHV...TSA...OUN...

    LAT...LON 34389854 34879906 35729861 35799641 36079509 36329390
    37429185 37939055 37898971 36848940 34519203 34029442
    34019734 34389854=20

    MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH


    =3D =3D =3D
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