• MESO: Mesoscale Discussion 2258

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wed Dec 11 07:43:14 2024
    ACUS11 KWNS 110743
    SWOMCD
    SPC MCD 110742=20
    GAZ000-FLZ000-ALZ000-111115-

    Mesoscale Discussion 2258
    NWS Storm Prediction Center Norman OK
    0142 AM CST Wed Dec 11 2024

    Areas affected...the Florida Panhandle into southwest Georgia

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

    Valid 110742Z - 111115Z

    Probability of Watch Issuance...20 percent

    SUMMARY...A gradual increase in thunderstorms is expected from parts
    of the Florida Panhandle into southwest Georgia, and isolated severe
    cannot be ruled out.

    DISCUSSION...Surface analysis shows a cold front extending from
    northern GA across southeast AL and into the northeast Gulf of
    Mexico. Meanwhile, a north-south oriented warm front remains draped
    across central GA into northern FL. MLCAPE over 500 J/kg exists
    across the warm sector currently, where upper 60s F dewpoints are
    prevalent. Also of note, are surface gusts in the 15-20 kt range,
    indicated a degree of boundary-layer mixing.

    Area VWPs show southwest winds around 40 kt about 1 km off the
    surface, which results in 0-1 km SRH over 100 m2/s2 near the coast
    to over 200 m2/s2 near the GA warm front.

    As such, any increase in convection tonight along or just ahead of
    the cold front could result in a brief tornado or damaging-wind
    risk, but coverage of severe is not expected to necessitate a watch.

    ..Jewell.. 12/11/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!46530CDAre1mr2w0GSnidmdee8dJEBCQr5_GYHxpByarao1DEO_TlOnkLfPJg9uXp651ZYuqX= 6wA4VqKr1M6_eM7GRg$ for graphic product...

    ATTN...WFO...JAX...FFC...TAE...

    LAT...LON 29908596 30808517 31968448 32528410 33078376 33198340
    33148292 32788271 32218274 31268288 30788311 29978371
    29488454 29488513 29618574 29908596=20


    =3D =3D =3D
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