• MESO: Mesoscale Discussion 1686

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Saturday, December 01, 2018 22:39:10
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    ACUS11 KWNS 012139
    SWOMCD
    SPC MCD 012138
    FLZ000-GAZ000-ALZ000-012315-

    Mesoscale Discussion 1686
    NWS Storm Prediction Center Norman OK
    0338 PM CST Sat Dec 01 2018

    Areas affected...FL Panhandle Region

    Concerning...Tornado Watch 433...

    Valid 012138Z - 012315Z

    The severe weather threat for Tornado Watch 433 continues.

    SUMMARY...Severe threat will gradually shift north across ww433
    early this evening.

    DISCUSSION...LLJ appears to be translating inland across southern GA
    along with more focused low-level warm advection. Widespread
    convection that evolved over the northern Gulf basin earlier today
    has spread northeast as surface warm front now extends from near
    TLH-SEM-CBM. Extensive convection continues across ww433 and
    discrete updrafts remain limited amidst larger complex of storms.
    Greatest risk for sustained rotating updrafts will be near the warm
    front as it lifts northeast, however with the LLJ shifting well
    northeast sustained rotation will become increasingly difficult near
    the coast.

    ..Darrow.. 12/01/2018

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

    ATTN...WFO...TAE...MOB...

    LAT...LON 31528664 31508412 29478411 29498665 31528664



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