• MESO: Mesoscale Discussion 1936

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wed Nov 10 21:46:34 2021
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    ACUS11 KWNS 102146
    SPC MCD 102146=20

    Mesoscale Discussion 1936
    NWS Storm Prediction Center Norman OK
    0346 PM CST Wed Nov 10 2021

    Areas affected...northwestern Missouri and south-central Iowa

    Concerning...Severe Thunderstorm Watch 546...

    Valid 102146Z - 102345Z

    The severe weather threat for Severe Thunderstorm Watch 546

    SUMMARY...Strong wind gusts remain possible this afternoon, but a
    downstream Watch is not currently anticipated.

    DISCUSSION...A line of storms that was previously surface-based and
    producing locally strong to damaging wind gusts continues advancing northeastward at over 40 knots into a less favorable environment
    where lower/middle 50s dewpoints are resulting in only weak
    instability (MLCAPE less than 500 J/kg). While somewhat favorable
    deep-layer shear of 30 to 40 knots continues to support modest
    organization of the line and the potential for strong/damaging wind
    gusts, the increasingly stable boundary-layer conditions should
    continue to limit the severe threat with northeastward extent.
    Therefore, a downstream Watch is not currently anticipated.

    ..Weinman/Hart.. 11/10/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!vgkwYeSIesxptdtpECYIHoJ2bpQTeRKD8CcAK6LXq4H5ue5J1z7hnXssRSLnRp_BlMaxeKWX$=
    for graphic product...


    LAT...LON 41429448 40699433 40219391 40299352 41489271 42049306
    42079394 41429448=20

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