• MESO: Mesoscale Discussion 1328

    From COD Weather Processor@1:2320/107 to wx-storm@lists.illinois.edu on Fri Jun 26 03:55:21 2026
    ACUS11 KWNS 260355
    SWOMCD
    SPC MCD 260354=20
    OKZ000-TXZ000-260500-

    Mesoscale Discussion 1328
    NWS Storm Prediction Center Norman OK
    1054 PM CDT Thu Jun 25 2026

    Areas affected...Extreme northwest Texas and southwest Oklahoma

    Concerning...Severe Thunderstorm Watch 393...396...

    Valid 260354Z - 260500Z

    The severe weather threat for Severe Thunderstorm Watch 393, 396
    continues.

    SUMMARY...Isolated severe gusts will be possible through about 05z
    across far northwest Texas and southwest Oklahoma. WW #393 will be
    allowed to expire at 04z.

    DISCUSSION...The primary threat for severe storms with 60+ mph
    outflow gusts is now confined to far southwest OK and northwest TX,
    where outflow interactions are occurring. Storm/outflow mergers
    will lead to temporary strengthening of updrafts and subsequent
    downdrafts in an environment of lingering moderate buoyancy and
    steep lapse rates. However, the longer term trend should be for
    gradual storm weakening and a reduction in the severe threat by and
    after about 05z.

    ..Thompson.. 06/26/2026

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!8eTVV3u9emXFakZSVdbzRWrKcFVyo54tLOGPBkdUr7DrL0ona7HyI5J8ZtSDTZMJGcu60mEdo= oIa1Gh2VJnWHQ7_WGg$ for graphic product...

    ATTN...WFO...OUN...LUB...AMA...

    LAT...LON 34389867 34159909 34239999 34590018 34919982 34929881
    34739861 34389867=20

    MOST PROBABLE PEAK WIND GUST...65-80 MPH
    MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN


    =3D =3D =3D
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