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  • MESO: Mesoscale Discussion 1507

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thursday, September 27, 2018 21:34:49
    This is a multi-part message in MIME format...

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    ACUS11 KWNS 272134
    SWOMCD
    SPC MCD 272134
    GAZ000-SCZ000-272330-

    Mesoscale Discussion 1507
    NWS Storm Prediction Center Norman OK
    0434 PM CDT Thu Sep 27 2018

    Areas affected...portions of northeast GA and western SC

    Concerning...Severe potential...Watch possible

    Valid 272134Z - 272330Z

    Probability of Watch Issuance...40 percent

    SUMMARY...A bowing segment within a line of thunderstorms over
    northeast GA will continue moving northeast at around 45 mph, posing
    a risk for damaging gusts. Near-storm environmental conditions
    suggest this bowing segment may continue for the next few hours, and
    trends will be monitored for the possibility of a Severe
    Thunderstorm Watch.

    DISCUSSION...A small bowing segment within a line of thunderstorms
    was moving northeast at around 45 mph across northeast GA at 2130Z.
    Radar data from KFFC depict a pronounced rear-inflow notch with
    45-50 kts of ground-relative winds at the lowest elevation angle.
    The downstream environment is moderately unstable with nearly
    unidirectional low/mid-level flow, suggesting some potential for strong/damaging gusts to continue for a few hours. Convective trends
    will continue to be monitored and a small Severe Thunderstorm Watch
    is being considered.

    ..Bunting/Hart.. 09/27/2018

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

    ATTN...WFO...FFC...CAE...GSP...

    LAT...LON 33388295 33338290 33388295

    33378324 33588360 33888378 34208376 34468351 34708273 34948195
    35088140 34888102 34328101 33918151 33628207 33378324



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