• MESO: Mesoscale Discussion 1133

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sunday, July 22, 2018 16:27:24
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    ACUS11 KWNS 221627
    SWOMCD
    SPC MCD 221627
    FLZ000-ALZ000-221730-

    Mesoscale Discussion 1133
    NWS Storm Prediction Center Norman OK
    1127 AM CDT Sun Jul 22 2018

    Areas affected...Southern AL...Western FL Panhandle

    Concerning...Severe Thunderstorm Watch 303...

    Valid 221627Z - 221730Z

    The severe weather threat for Severe Thunderstorm Watch 303
    continues.

    SUMMARY...Thunderstorms developing over southern Alabama will likely
    intensify and become a severe threat in the next 1-2 hours. A new
    watch or areal extension of WW 303 will be likely.

    DISCUSSION...Thunderstorms are intensifying over southwest AL,
    between Meridian MS and Selma AL. These storms are ahead of a mid
    level speed maxima rotating southward across northwest MS. Storms
    are expected to increase in coverage through the early afternoon and
    spread across southern AL and into the FL Panhandle. Forecast
    soundings show steep low-level lapse rates and rather strong flow
    just above the boundary-layer. This should be supportive of locally
    damaging wind gusts. Also, favorable cape and effective shear
    values suggest some risk of hail in the strongest cores.

    A new severe thunderstorm watch or an areal extension of WW303 will
    likely be required soon into southern AL and the western FL
    Peninsula.

    ..Hart.. 07/22/2018

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

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

    LAT...LON 32198771 31628568 31048502 30048515 29808609 30338708
    30708765 31398803 32198771



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