• MESO: Mesoscale Discussion 1680

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thu Sep 2 04:37:00 2021
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    ACUS11 KWNS 020436
    SPC MCD 020436=20

    Mesoscale Discussion 1680
    NWS Storm Prediction Center Norman OK
    1136 PM CDT Wed Sep 01 2021

    Areas affected...portions of northwest Nebraska and southwest South

    Concerning...Severe Thunderstorm Watch 485...

    Valid 020436Z - 020600Z

    The severe weather threat for Severe Thunderstorm Watch 485

    SUMMARY...Although an isolated hail and wind threat will persist for
    another hour or so, overall trends suggest the severe potential
    should sufficiently diminish by 01 AM CDT to allow Severe
    Thunderstorm Watch #485 to expire on time.

    DISCUSSION...Showers and thunderstorms continue to develop and move
    slowly east across Severe Thunderstorm Watch #485. A largely
    unstable and sheared airmass remains along and ahead of these
    thunderstorms and thus the potential for isolated hail and wind will
    continue. However, continued storm interactions and upscale growth
    will tend to favor an overall weakening trend with time. Barring
    more robust, discrete initiation ahead of the existing line of
    thunderstorms, all indications are that the watch will be allowed to
    expire at 06Z/01 AM CDT.

    ..Marsh.. 09/02/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!sdxYkAM1zCjKprS90cKOOIe9Ve9VVc5jxl3YX0k56V4RtExszVUt870ZPiCEZQSZlzZ7Hrpn$=
    for graphic product...


    LAT...LON 43070302 44680139 44309928 42989960 41210207 41220258

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