• 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
    SWOMCD
    SPC MCD 271559=20
    LAZ000-TXZ000-271730-

    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
    front.=20

    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...

    ATTN...WFO...LCH...SHV...

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



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