• MESO: Mesoscale Discussion 1914

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wed Oct 27 16:00:21 2021
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    ACUS11 KWNS 271600
    SPC MCD 271559=20

    Mesoscale Discussion 1914
    NWS Storm Prediction Center Norman OK
    1059 AM CDT Wed Oct 27 2021

    Areas affected...southeast Texas through southwest Louisiana

    Concerning...Tornado Watch 540...

    Valid 271559Z - 271730Z

    The severe weather threat for Tornado Watch 540 continues.

    SUMMARY...Threat for a few tornadoes (a couple of which could be
    strong) remains relatively high across southeast TX into southwest
    LA through at least 18Z.

    DISCUSSION...Supercell with a history of tornadoes has crossed into
    southwest LA and will remain in a favorable environment for
    additional tornadoes next couple hours. Other semi-discrete storms
    farther west in southeast TX might also become better organized, but
    some of this activity is being overtaken by the squall line. A
    couple storms are developing in closer proximity to the warm front
    over southwest LA, and might evolve into supercells as they continue
    northeast. Low-level hodographs remain large within a low LCL and
    moderately unstable environment, suggesting the threat for tornadoes
    will persist next couple hours, especially with discrete or
    semi-discrete storms in warm sector and in proximity to the warm

    Otherwise, isolated strong to damaging wind gusts and brief QLCS
    tornadoes remain possible with embedded organized structures in the
    squall line.

    ..Dial.. 10/27/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!ozX9DOT2oCTMQzJRu2a7bg_Ed0Tjguqqbm37mStid0HTAvcwjCvOXfJu1zJmjc-pzxwfqp_-$=
    for graphic product...


    LAT...LON 31319310 31019262 30349302 30159390 31219375 31319310=20

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