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  • MESO: Mesoscale Discussion 0033

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sunday, January 20, 2019 00:38:53
    This is a multi-part message in MIME format...

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    ACUS11 KWNS 192338
    SWOMCD
    SPC MCD 192338
    GAZ000-FLZ000-ALZ000-200115-

    Mesoscale Discussion 0033
    NWS Storm Prediction Center Norman OK
    0538 PM CST Sat Jan 19 2019

    Areas affected...East-Central/Southeast AL...FL Panhandle...West-Central/Southwest GA

    Concerning...Tornado Watch 3...

    Valid 192338Z - 200115Z

    The severe weather threat for Tornado Watch 3 continues.

    SUMMARY...Damaging wind gusts and a tornado or two will remain
    possible throughout Tornado Watch 3 for at least the next few hours.
    Expansion in area may be needed into more of central GA and the
    eastern FL Panhandle.

    DISCUSSION...Well developed convective line continues to move
    eastward at 40-45 kt. Northern portion of the line (currently near
    CSG) has shown an increase in forward speed during the past hour or
    so, signaling the development of stronger outflow and a relatively
    higher threat for damaging wind gusts. Transient embedded rotation
    has also been noted as a result of the this outflow surge. A few
    cells ahead of the line have also shown some supercellular
    characteristics, although the shallow and transient nature of these
    updrafts has limited tornado development over the past hour.

    Overall, these trends (i.e. outflow surges within the line and
    shallow supercells ahead of it) are expected to persist for at least
    the next hour or two and may extend outside of the current watch
    area, particularly across central GA and the western FL Panhandle.

    ..Mosier.. 01/19/2019

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

    ATTN...WFO...FFC...TAE...BMX...MOB...

    LAT...LON 30238716 33198578 33198387 30238533 30238716



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