• MESO: Mesoscale Discussion 1151

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sun Jul 4 23:57:22 2021
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    ACUS11 KWNS 042357
    SWOMCD
    SPC MCD 042356=20
    OKZ000-KSZ000-COZ000-050130-

    Mesoscale Discussion 1151
    NWS Storm Prediction Center Norman OK
    0656 PM CDT Sun Jul 04 2021

    Areas affected...Western Kansas and adjacent portions of eastern
    Colorado and the Oklahoma Panhandle

    Concerning...Severe Thunderstorm Watch 334...

    Valid 042356Z - 050130Z

    The severe weather threat for Severe Thunderstorm Watch 334
    continues.

    SUMMARY...Widely scattered strong to severe storm development
    remains possible into the 8-10 PM CDT time frame.

    DISCUSSION...A zone of enhanced low-level convergence east-southeast
    of a weak surface low over southeastern Colorado has become a recent
    focus for increasing thunderstorm development. Otherwise, outflow
    advancing westward from earlier storm development to the north, into
    the more strongly heated environment over the higher plains, may
    also remain a focus for widely scattered new storm development into
    early evening.=20=20

    With a belt of 20 kt north-northwesterly flow to the west of digging
    weak mid-level troughing contributing to moderately strong
    deep-layer shear, isolated supercells posing a risk for severe hail
    and locally strong surface gusts remain possible another couple of
    hours. By 02-03Z, increasing inhibition associated with diurnal
    boundary-layer cooling may begin to result in weakening convective
    trends.

    ..Kerr.. 07/04/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!pmQ7dWG-5eCG2ZuVc_GwD389-9LPnrtOVKQmeSMSB676k-CJufbUBRshuJJHdgYRa5i_JrdC$=
    for graphic product...

    ATTN...WFO...DDC...GLD...AMA...PUB...

    LAT...LON 36960225 37690238 38210240 39400202 39720100 37750086
    36880014 36560094 36770166 36960225=20



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