• MESO: Mesoscale Discussion 1142

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Fri Jun 6 09:46:02 2025
    ACUS11 KWNS 060944
    SWOMCD
    SPC MCD 060944=20
    ARZ000-MOZ000-OKZ000-061115-

    Mesoscale Discussion 1142
    NWS Storm Prediction Center Norman OK
    0444 AM CDT Fri Jun 06 2025

    Areas affected...northeast Oklahoma...northwest Arkansas...and
    potentially far southwest Missouri

    Concerning...Severe potential...Watch possible=20

    Valid 060944Z - 061115Z

    Probability of Watch Issuance...60 percent

    SUMMARY...A severe thunderstorm watch may be needed downstream of
    watch 374 across northwest Arkansas and perhaps far southern
    Missouri.

    DISCUSSION...A squall line extends from the KS/OK border in
    northeast Oklahoma to central Oklahoma. This line has mostly 50 to
    60 mph wind gusts with occasional stronger wind gusts with embedded
    supercell structures (67 knots in Guthrie). Expect this to continue
    as this line of storms continues to move east. 1500 to 2500 J/kg
    MUCAPE and a strengthening low-level jet (40 knots from TLX and INX
    VWP) should be sufficient to support maintenance of this MCS.=20

    Therefore, a downstream severe thunderstorm watch will likely be
    needed across northwest Arkansas and eastern Oklahoma and perhaps
    into southwest Missouri.

    ..Bentley/Hart.. 06/06/2025

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!531X6S2kkCEW8-iC05JxYmRtuxl26XPUVSTyuB4koeSPI-6D4ncMINXeD39yjTmkbsw1xgvLy= Nz1-5WjwGDt0r7JMNo$ for graphic product...

    ATTN...WFO...LZK...SGF...TSA...OUN...

    LAT...LON 34919610 35389578 36339515 36669502 36819450 36689358
    36449250 35929225 35219241 34909284 34739380 34669506
    34699602 34919610=20

    MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH
    MOST PROBABLE PEAK WIND GUST...65-80 MPH
    MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN


    =3D =3D =3D
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