• MESO: Mesoscale Discussion 1416

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sun Aug 1 18:54:26 2021
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    ACUS11 KWNS 011853
    SWOMCD
    SPC MCD 011853=20
    NCZ000-SCZ000-012030-

    Mesoscale Discussion 1416
    NWS Storm Prediction Center Norman OK
    0153 PM CDT Sun Aug 01 2021

    Areas affected...Central/Eastern NC...Northeastern SC

    Concerning...Severe Thunderstorm Watch 408...

    Valid 011853Z - 012030Z

    The severe weather threat for Severe Thunderstorm Watch 408
    continues.

    SUMMARY...Severe threat across much of central/eastern NC and
    northeast SC is expected to continue throughout the afternoon.

    DISCUSSION...Cluster of thunderstorms ahead of the surface low about
    30 miles west of GSB continues to show sporadic updraft
    intensification as a generally multicell-in-cluster mode dominates.
    Winds north of Pamlico Sound have mostly veered southwesterly, but
    south of the Sound winds are still southeasterly. These
    southeasterly winds may contribute to an increase in low-level
    vertical shear, resulting in slightly greater severe risk across
    this region as both low-level convergence and storm-relatively
    helicity increase.=20

    Another round of showers and thunderstorms has also developed across
    central NC/north-central SC. The downstream area across southern NC
    and adjacent northeast SC remains very moist and moderately
    unstable, suggesting the potential for damaging downbursts will
    persist throughout the afternoon.

    ..Mosier.. 08/01/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!ul071CxfXj1t34distja24TehZYLbkaB4JxXxKTXFC7g_A2A7A6_ZeTrAtbnbAXcS2GpyzmW$=
    for graphic product...

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

    LAT...LON 34267744 33857938 34338065 35597991 36027777 36127625
    35617562 34267744=20



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