• MESO: Mesoscale Discussion 0270

    From COD Weather Processor@1:2320/107 to wx-storm@lists.illinois.edu on Mon Mar 16 14:36:52 2026
    ACUS11 KWNS 161436
    SWOMCD
    SPC MCD 161436=20
    NCZ000-SCZ000-GAZ000-FLZ000-161600-

    Mesoscale Discussion 0270
    NWS Storm Prediction Center Norman OK
    0936 AM CDT Mon Mar 16 2026

    Areas affected...portions of the NORTHERN Gulf Coast states into
    west-central South Carolina.

    Concerning...Tornado Watch 63...65...

    Valid 161436Z - 161600Z

    The severe weather threat for Tornado Watch 63, 65 continues.

    SUMMARY...Widespread strong thunderstorms remains ongoing this
    morning from parts of FL, across southern/southeastern GA and into
    west-central South Carolina. Strong wind fields and low-level shear
    will support a risk for damaging gusts, along with brief tornadoes.
    Some reintensification is possible with filtered diurnal heating.

    DISCUSSION...As of 1425 UTC,regional radar analysis showed a broad
    area of strong to severe thunderstorms ongoing over much of the
    northern Gulf Coast and southeast US States. Within the broader
    convective mass east of the advancing cold front, several more
    organized clusters have resolved; one across parts of the FL
    Panhandle into southwest GA, and another cluster near the SC/NC
    border. The environment downstream of this convection remains
    broadly favorable for severe storms with 500 J/kg of MLCAPE
    increasing to around 1500 J/kg farther south. With very strong wind
    fields, 45-55 kt of deep-layer shear is also present, favoring a
    mixed convective mode of supercell clusters and line segments. Given
    this storm mode and the strong kinematics in place, damaging winds
    remain the most probable threat. Strong 0-1km SRH of 200-300 m2/s2
    from area VADs will support the potential for mainly embedded QLCS
    tornadoes, though some of the semi-discrete cells may pose a
    stronger tornado risk if they can remain discrete, particularly over
    parts of FL and southern GA.

    Given the favorable environment and ongoing convective coverage, the
    severe risk is likely to continue through much of the morning into
    the early afternoon. Additional reintensification of the convection,
    between the two more organized clusters already mentioned, is also
    possible as the environment remains supportive over the entire watch
    area.

    ..Lyons.. 03/16/2026

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!8JpWQKwqf5GYb0kz22ZYeECzC6L3RWieprGt8sKTZAzSba7WdBtAIlY_k2alaO2q2LjMovGJA= 1Yz-e3pxWmHoraHJJA$ for graphic product...

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

    LAT...LON 29408525 29918528 30848472 31968349 32488267 33718163
    33838157 34488063 34737991 34807951 34427935 33667990
    32888014 32098103 31328150 30348224 29608305 29258428
    29288460 29348501 29408525=20

    MOST PROBABLE PEAK TORNADO INTENSITY...100-130 MPH
    MOST PROBABLE PEAK WIND GUST...65-80 MPH
    MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN


    =3D =3D =3D
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