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  • MESO: Mesoscale Discussion 2190

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sun Sep 24 02:45:43 2023
    ACUS11 KWNS 240245
    SWOMCD
    SPC MCD 240244=20
    ARZ000-MOZ000-OKZ000-KSZ000-TXZ000-240415-

    Mesoscale Discussion 2190
    NWS Storm Prediction Center Norman OK
    0944 PM CDT Sat Sep 23 2023

    Areas affected...far southeastern Kansas...southwestern
    Missouri...central and eastern Oklahoma...and western Arkansas

    Concerning...Severe Thunderstorm Watch 692...693...

    Valid 240244Z - 240415Z

    The severe weather threat for Severe Thunderstorm Watch 692, 693
    continues.

    SUMMARY...Severe-weather risk continues, and will likely continue
    locally beyond the scheduled expiration times of WW 692 and 693 (04Z
    and 05Z respectively). New/downstream WW issuance may be needed.

    DISCUSSION...Recent radar loop shows strong/locally severe storms
    ongoing from southeastern Kansas/southwestern Missouri southwestward
    into central and eastern Oklahoma, along and ahead of an advancing
    cold front. The storms are persisting within a area of pronounced
    instability (2000 to 3000 J/kg mixed-layer CAPE), and are being
    assisted by a steady increase in the southwesterly low-level jet
    observed over the past couple of hours.

    An overall, gradual decrease in storm intensity has been generally
    observed recently. Still, it appears that some severe risk --
    primarily in the form of 1" to 1 3/4" hail, and wind gusts locally
    in excess of 50 to 55 kt, will likely continue through/after
    midnight, spreading into western Arkansas with time. As this
    occurs, new WW issuance may be required downstream, along with
    possible need for local extensions in time/area of existing watches.

    ..Goss.. 09/24/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!8IVDVJB2O7Udjp1OT9WcvW5oLXieQJWOBzOIQXvJsDxVgrbIKmX9Y_Vxbqv1ywCQV_IomwEr6= 17lyVAzMZYvZ0d_W4I$ for graphic product...

    ATTN...WFO...LZK...SGF...SHV...TSA...ICT...OUN...

    LAT...LON 34659768 35899726 37699509 38109355 37299227 34659237
    33279295 34249671 34659768=20


    =3D =3D =3D
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