• MESO: Mesoscale Discussion 0863

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sunday, June 24, 2018 21:54:29
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    ACUS11 KWNS 242154
    SWOMCD
    SPC MCD 242153
    SCZ000-NCZ000-GAZ000-TNZ000-242330-

    Mesoscale Discussion 0863
    NWS Storm Prediction Center Norman OK
    0453 PM CDT Sun Jun 24 2018

    Areas affected...Southeast Tennessee...northeast Georgia...southwest
    North Carolina through central South Carolina

    Concerning...Severe potential...Watch unlikely

    Valid 242153Z - 242330Z

    Probability of Watch Issuance...20 percent

    SUMMARY...Widely scattered storms will remain capable of producing a
    few strong to marginally severe wind gusts through early evening. At
    this time, overall threat does not appear sufficient for a WW.

    DISCUSSION...Widely scattered storms continue developing from the TN
    Valley into western SC in association with what appears to be a
    couple of MCVs. The atmosphere has become moderately unstable in
    this region with latest objective analysis indicating 2000 J/kg
    MLCAPE, but with modest (6-6.5 C/km mid-level lapse rates).
    Temperatures have warmed into the low to mid 90s supporting steep
    low-level lapse rates, and storms are embedded within a 20-30 kt
    westerly flow regime. The environment will continue to support
    multicell clusters developing east and southeast next few hours. The
    stronger storms may produce locally strong to marginally severe wind
    gusts through early evening before weakening as the surface layer
    stabilizes.

    ..Dial/Grams.. 06/24/2018

    ...Please see www.spc.noaa.gov for graphic product...

    ATTN...WFO...CHS...CAE...GSP...MRX...FFC...

    LAT...LON 35968436 35498228 34418047 33638023 33108079 33308200
    34718440 35968436



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