• MESO: Mesoscale Discussion 0149

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sunday, March 03, 2019 21:20:25
    This is a multi-part message in MIME format...

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    ACUS11 KWNS 032020
    SWOMCD
    SPC MCD 032019
    SCZ000-GAZ000-032215-

    Mesoscale Discussion 0149
    NWS Storm Prediction Center Norman OK
    0219 PM CST Sun Mar 03 2019

    Areas affected...East central Georgia...southwest South Carolina

    Concerning...Severe potential...Watch likely

    Valid 032019Z - 032215Z

    Probability of Watch Issuance...95 percent

    SUMMARY...Discrete storm development underway across the area, with
    additional convective development expected. Isolated damaging wind
    gusts and perhaps a few tornadoes are possible, both in the near
    term with the current convective development, and later with more
    mature convection approaching from the west. A tornado watch will be
    issued shortly.

    DISCUSSION...Discrete supercells are currently in progress across
    central Georgia, and are approaching the discussion area, with more
    recent development of isolated storms noted in eastern Georgia.
    These storms are intensifying in a modestly unstable airmass, with
    over 1000 J/kg MLCAPE noted. Current Mesoanalysis indicates up to 40
    knots of effective bulk shear, with 1954Z CLX VAD profiler data
    suggesting up to 0-3km SRH present across the area. Though low-level
    shear is modest across the discussion area, increasing low-level
    flow is expected with the approach of the surface low, thus
    potentially elevating the tornado threat, both with the current
    development across the discussion area, and storms approaching from
    the west.

    A tornado watch will be issued shortly.

    ..Squitieri.. 03/03/2019

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

    ATTN...WFO...ILM...CHS...CAE...GSP...JAX...FFC...TAE...

    LAT...LON 31628126 31188228 31098330 32898355 33588319 34088259
    34218046 33957875 33057910 32038058 31628126



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