• MESO: Mesoscale Discussion 1027

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sun Jun 20 04:59:05 2021
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    ACUS11 KWNS 200458
    SWOMCD
    SPC MCD 200458=20
    GAZ000-FLZ000-ALZ000-200700-

    Mesoscale Discussion 1027
    NWS Storm Prediction Center Norman OK
    1158 PM CDT Sat Jun 19 2021

    Areas affected...FL Panhandle...extreme southeast AL...southwest GA

    Concerning...Tornado Watch 289...

    Valid 200458Z - 200700Z

    The severe weather threat for Tornado Watch 289 continues.

    SUMMARY...The threat for a few tornadoes continues with bands of
    showers and thunderstorms associated with Tropical Depression
    Claudette.

    DISCUSSION...The center of TD Claudette was located over central AL
    at 0440z and continues to move northeast at 14 mph. Bands of showers
    and occasional thunderstorms were occurring within two confluence
    zones in and just west of the watch area, where lower/mid 70s dew
    points were contributing to SBCAPE of 1000-1500 J/kg. Latest VWP
    data from KEOX and KTLH sampled 50 kts in the 2-3 km AGL layer, and
    low-level SRH of 300-400 m2/s2. Hi-res guidance continues to
    suggest some increase in intensity of convective elements within
    bands of showers and thunderstorms during the overnight hours, and
    the environment will continue to support the potential for a few
    tornadoes.

    ..Bunting.. 06/20/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!rCYwjwcasvufDwxjGQZaiVp2gLfeVH1wMSWEz0s0bupCR3wrf8T-ou90D3hnbx34jl0L6Pzi$=
    for graphic product...

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

    LAT...LON 30368622 31478594 31668504 32238480 32798504 32758420
    32138331 31728306 30948311 30168344 29758351 29408389
    29338475 29388539 29898617 30368622=20



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