• MESO: Mesoscale Discussion 0368

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sun Apr 11 17:24:40 2021
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    ACUS11 KWNS 111724
    SPC MCD 111724=20

    Mesoscale Discussion 0368
    NWS Storm Prediction Center Norman OK
    1224 PM CDT Sun Apr 11 2021

    Areas affected...parts of central and southern Florida

    Concerning...Severe Thunderstorm Watch 91...

    Valid 111724Z - 111930Z

    The severe weather threat for Severe Thunderstorm Watch 91

    SUMMARY...Severe risk continues locally across parts of central
    Florida -- within WW 91 -- and will gradually shift southward
    requiring new WW consideration across much of south Florida.

    DISCUSSION...Latest radar loop shows a band of storms sagging
    southward across central Florida, with occasionally stronger
    storms/convective segments noted. As outflow associated with this
    band shifts steadily southward, the primary zone of severe risk will
    likewise shift south -- and eventually out of the current WW.

    Meanwhile, as the very moist south Florida airmass continues to warm/destabilize, additional/cellular development is occurring south
    of the main convective band. Given sufficient shear across the
    area, a few of these storms could produce gusty winds and hail,
    prior to the arrival of storms from the north. Given these trends,
    a new WW will likely be required in the next 60 to 90 minutes,
    across much of south Florida.

    ..Goss.. 04/11/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!oONSiQtmPCT6HKTVHYmTU3OleFAeWSWvNGtn4cxBorA2Myu65L9mQAx2K1cTcDwaLrVohABA$=
    for graphic product...


    LAT...LON 27138297 27428251 27688149 27878018 26977977 25937990
    25568042 25538144 26138241 27138297=20

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