• MESO: Mesoscale Discussion 0517

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tue May 4 06:07:37 2021
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    ACUS11 KWNS 040607
    SWOMCD
    SPC MCD 040607=20
    OKZ000-TXZ000-040730-

    Mesoscale Discussion 0517
    NWS Storm Prediction Center Norman OK
    0107 AM CDT Tue May 04 2021

    Areas affected...South-central Oklahoma and extreme north Texas

    Concerning...Severe Thunderstorm Watch 139...

    Valid 040607Z - 040730Z

    The severe weather threat for Severe Thunderstorm Watch 139
    continues.

    SUMMARY...The risk for significant hail and strong wind gusts is
    likely across southern Oklahoma over the next couple of hours.

    DISCUSSION...As of 0550 UTC, three supercells were ongoing across
    south-central Oklahoma in WW139. Radar signatures and recent reports
    confirm these storms are capable of producing significant (2+ in
    diameter) hail and severe wind gusts. A corridor of enhanced severe
    potential is likely developing from the I-35 Corridor eastward into southeastern Oklahoma. MUCAPE around 2000 J/kg and effective shear
    of 50-60 kts will continue to support significant severe potential
    for at least the next couple of hours before storms begin to
    encounter more stable air behind the ongoing MCS across western
    Arkansas.

    ..Lyons/Guyer.. 05/04/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!q9PACfrDypypa3EffmRRPsCwLIqEEXI_W5NDmPmHEVmzSw-3ndEqYqDbO0TfCmnld1S4ehr4$=
    for graphic product...

    ATTN...WFO...TSA...FWD...OUN...

    LAT...LON 34019809 34379815 34749779 34779711 34709629 34579568
    34329545 33889560 33799594 33759652 33769705 33879772
    34019809=20



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