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  • MESO: Mesoscale Discussion 0910

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wednesday, June 27, 2018 22:25:09
    This is a multi-part message in MIME format...

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    ACUS11 KWNS 272225
    SWOMCD
    SPC MCD 272224
    GAZ000-ALZ000-280030-

    Mesoscale Discussion 0910
    NWS Storm Prediction Center Norman OK
    0524 PM CDT Wed Jun 27 2018

    Areas affected...Central Georgia/Alabama

    Concerning...Severe potential...Watch unlikely

    Valid 272224Z - 280030Z

    Probability of Watch Issuance...20 percent

    SUMMARY...A broken line of storms continues moving southeastward
    across central Alabama/Georgia. Strong wind gusts are the main
    threat although hail is possible.

    DISCUSSION...An upper-level shortwave trough is providing ascent
    aloft helping to sustain a line of storms across central
    Alabama/Georgia. Convective temperatures are being breached and
    outflow along the leading edge of storms is helping to develop
    storms as the line moves southeastward. This QLCS should continue
    southeastward as it moves through a moderate buoyancy/weak shear
    environment (MLCAPE of 2000-2500 J/kg; effective bulk shear 20-25
    knots per mesoanalysis). Mesoanalysis and RAP soundings show steeper
    low-level lapse rates (7+ C/km) and DCAPE > 1000 J/kg along/ahead of
    the QLCS indicating the potential for strong wind gusts and possibly
    severe wind. The QLCS should continue into the evening with some
    weakening after sunset. A watch issuance is unlikely given the
    anticipated isolated severe threat.

    ..Nauslar/Cook/Edwards.. 06/27/2018

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

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

    LAT...LON 33298690 33588631 33828577 33908484 34098398 34368355
    34358304 33678268 33078231 32768338 32538481 32128646
    33298690



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