• MESO: Mesoscale Discussion 1508

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thursday, September 27, 2018 21:48:19
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    ACUS11 KWNS 272148
    SWOMCD
    SPC MCD 272147
    NCZ000-SCZ000-272315-

    Mesoscale Discussion 1508
    NWS Storm Prediction Center Norman OK
    0447 PM CDT Thu Sep 27 2018

    Areas affected...Central North Carolina and North Central South
    Carolina

    Concerning...Severe potential...Watch unlikely

    Valid 272147Z - 272315Z

    Probability of Watch Issuance...5 percent

    SUMMARY...An isolated strong to severe storm is possible from
    northern South Carolina into central North Carolina through the
    evening. The primary threat will be damaging winds.

    DISCUSSION...Although most storms have remained sub-severe through
    the afternoon, a few storms have developed supercell characteristics
    and deviated right of the mean wind. Given around 40 knots of
    effective shear per KRAX VWP and around 1500 to 2000 J/kg of MLCAPE
    per RAP mesoanalysis, additional strong to severe storms remain
    possible. The best chance for strong to severe storms will likely be
    in the next hour or two before a cooling boundary layer starts to
    limit storm severity later this evening. Given the weak mid-level
    lapse rates, the chance for large hail should remain limited with
    isolated damaging winds as the primary threat.

    ..Bentley.. 09/27/2018

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

    ATTN...WFO...MHX...RAH...ILM...RNK...CAE...GSP...

    LAT...LON 35678013 36207962 36297871 36097804 35887782 35487773
    35047823 34337934 33938022 34578035 35088047 35378030
    35678013



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