• MESO: Mesoscale Discussion 1247

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sun Jul 11 00:22:06 2021
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    ACUS11 KWNS 110021
    SPC MCD 110021=20

    Mesoscale Discussion 1247
    NWS Storm Prediction Center Norman OK
    0721 PM CDT Sat Jul 10 2021

    Areas affected...Central/Western OK

    Concerning...Severe Thunderstorm Watch 367...368...

    Valid 110021Z - 110145Z

    The severe weather threat for Severe Thunderstorm Watch 367, 368

    SUMMARY...Severe threat will continue across central and western OK
    through the evening as thunderstorms develop along the cold front.

    DISCUSSION...Recent surface analysis placed the cold front from
    about 50 miles northwest of CSM to about 15 miles northwest of BVO.
    Much of the activity in northeast/north-central OK has occurred
    ahead of the cold front thus far, but the most recent storm
    development south of END and near JWG is occurring along the wind
    shift associated with the cold front. Remnant outflow boundary also
    exists from just southwest of CSM to just south of JWG.=20

    The air mass south of the front across central and western OK is
    strongly unstable and moderately sheared and severe thunderstorms
    are still expected to develop southwestward along the front over the
    next few hours. Some hail is possible with initial updrafts, but
    quick linear development is anticipated as the outflow surges
    southward, resulting in strong wind gusts as the primary threat. Low probability tornado potential will still exist for the next few
    hours, but weak low-level vertical shear show limit the overall

    ..Mosier.. 07/11/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!raq_cSYagNGEUsbs7bQp5x_GyYSYjwtc6-tozuTMmUI-psmfzvSjz_IdV6qVFc1fOpx-78BO$=
    for graphic product...


    LAT...LON 35639957 36259783 36759625 35499628 34869893 34879991

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