• MESO: Mesoscale Discussion 2107

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Fri Sep 8 17:19:17 2023
    ACUS11 KWNS 081719
    SWOMCD
    SPC MCD 081718=20
    FLZ000-081945-

    Mesoscale Discussion 2107
    NWS Storm Prediction Center Norman OK
    1218 PM CDT Fri Sep 08 2023

    Areas affected...Portions of the FL Peninsula

    Concerning...Severe potential...Watch unlikely=20

    Valid 081718Z - 081945Z

    Probability of Watch Issuance...5 percent

    SUMMARY...An isolated threat for strong/gusty winds and marginally
    severe hail should persist this afternoon. Watch issuance is not
    expected.

    DISCUSSION...Thunderstorms have developed early this afternoon
    across much of the central FL Peninsula on the southern periphery of
    a weak upper low centered over south GA/north FL. Cool mid-level
    temperatures noted on the 12Z TBW/JAX observed soundings, along with
    daytime heating of a moist low-level airmass, have aided the
    development of 1500-2000 J/kg of MLCAPE. Marginally severe hail has
    been observed with one of the stronger cores that developed, and an
    isolated hail threat should continue given modestly steepened
    mid-level lapse rates. Some threat for occasional strong to damaging
    winds may also exist with loosely organized clusters spreading
    slowly southward/eastward. Still, deep-layer shear is expected to
    remain weak across the FL Peninsula through the day given modest
    low/mid-level flow. This should generally limit better thunderstorm organization, with only isolated strong to severe convection
    anticipated through the rest of the afternoon. Accordingly, watch
    issuance is not expected.

    ..Gleason/Guyer.. 09/08/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!8b0fjVg6wLf7slR1cdO2vr_diT1hNBY0q7XiMm5skXqadDkrFvBLDGQJht2VKecWAT-cGRq2n= YCRoazzdQRDlXXZ4RY$ for graphic product...

    ATTN...WFO...MFL...MLB...TBW...JAX...

    LAT...LON 28438255 28638182 28828160 29708148 29618099 28448051
    26868008 26948122 27728235 28438255=20


    =3D =3D =3D
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