• MESO: Mesoscale Discussion 1439

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sun Aug 8 02:35:42 2021
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    ACUS11 KWNS 080235
    SWOMCD
    SPC MCD 080235=20
    IAZ000-MOZ000-KSZ000-NEZ000-080400-

    Mesoscale Discussion 1439
    NWS Storm Prediction Center Norman OK
    0935 PM CDT Sat Aug 07 2021

    Areas affected...Parts of northeastern Kansas....southeastern Nebraska....southwestern Iowa...northwest Missouri

    Concerning...Severe Thunderstorm Watch 414...

    Valid 080235Z - 080400Z

    The severe weather threat for Severe Thunderstorm Watch 414
    continues.

    SUMMARY...An organized cluster of storms may continue to pose a risk
    for severe wind gusts as it progresses eastward, mainly between the
    Interstate 80 and 70 corridors of the lower Missouri Valley, through
    11 PM-1 AM CDT. Trends are being monitored for an additional severe
    weather watch east of WW 414.

    DISCUSSION...An evolving cluster of storms continues to become
    better organized with rear inflow intensifying in excess of 50 kt to
    the south of a developing MCV now west of Concordia. Recent surface
    gusts to 55+ kts have been observed at Concordia and Salina on the
    leading edge of east-northeastward surging convective outflow, with
    forward motion now in excess of 40 kt. New model output suggest
    that the MCV will track into the Omaha area through 04-06Z, with the
    potential for moist east/southeasterly inflow to maintain vigorous
    convective development as far east as the Kansas City area.=20
    Activity may develop as far northeast as Des Moines, if outflow
    associated with warm advection driven storms near the Interstate 80
    corridor, across eastern Nebraska into western Iowa, does not
    interfere. South of the Interstate 70 corridor, warmer elevated
    mixed-layer air may increasingly tend to suppress thunderstorm
    development.

    ..Kerr.. 08/08/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!tTiKhZHT9ehZytXHZ4q4gDJpCbJl_aHQ86gDxmulABZ_Won9qK8kbA3zbzlucjrLpLdfJHe4$=
    for graphic product...

    ATTN...WFO...DMX...EAX...OAX...TOP...

    LAT...LON 41339522 41549468 41669406 41359361 40479368 39409397
    38909535 38819642 38979684 39469663 39809665 40169653
    40649674 41239591 41339522=20



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