• MESO: Mesoscale Discussion 0462

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thu Apr 29 02:13:33 2021
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    ACUS11 KWNS 290213
    SPC MCD 290213=20

    Mesoscale Discussion 0462
    NWS Storm Prediction Center Norman OK
    0913 PM CDT Wed Apr 28 2021

    Areas affected...South-central and Southeast Texas

    Concerning...Tornado Watch 121...

    Valid 290213Z - 290345Z

    The severe weather threat for Tornado Watch 121 continues.

    SUMMARY...A threat for large hail, wind damage and possibly a
    tornado will continue over the next few hours across parts of
    south-central and southeast Texas. Weather watch issuance may be
    needed to the east of WW 121.

    DISCUSSION...Latest radar imagery shows a cluster of severe
    thunderstorms located from near San Antonio extending
    west-southwestward about 80 statute miles. These storms are located
    along the northern edge of a pocket of strong instability, with the
    RAP analyzing a pocket of MLCAPE in the 4000 to 4500 J/kg range.
    These storms will continue to move eastward over the next few hours,
    reaching the Texas Coastal Plains later this evening. Although
    instability is less further to the east, strong deep-layer shear is
    still present suggesting that a severe threat will continue. A new
    weather watch will need to be considered as the storms move toward
    the eastern edge of WW 121. Large hail and wind damage will be the
    primary threats, although a tornado can not be ruled out.

    ..Broyles.. 04/29/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!pAOKm5Yl7g6Cj2fZjFCF9bts31MhVzySII-ioBPYXkG0pKglDtbKkMR6FWTtsx7lJmrMAQfu$=
    for graphic product...


    LAT...LON 30239684 30169651 29709638 29419664 29259719 29149803
    29129833 29219845 29549859 29639859 29789853 29999832
    30229737 30239684=20

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