• MESO: Mesoscale Discussion 0359

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sat Apr 10 12:10:55 2021
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    ACUS11 KWNS 101210
    SPC MCD 101210=20

    Mesoscale Discussion 0359
    NWS Storm Prediction Center Norman OK
    0710 AM CDT Sat Apr 10 2021

    Areas affected...Florida Panhandle...Far Southeast Alabama...Far
    Southwest Georgia

    Concerning...Tornado Watch 89...

    Valid 101210Z - 101415Z

    The severe weather threat for Tornado Watch 89 continues.

    SUMMARY...A severe threat may continue for a few more hours across
    the eastern Gulf Coast. A tornado threat, along with the possibility
    of wind damage and hail may occur with the stronger thunderstorms. A
    small watch or local extension may be needed to the east of WW 89.

    DISCUSSION...The latest radar imagery shows a linear MCS from
    southern Alabama extending west-southwestward into southern
    Louisiana. A corridor of maximized low-level moisture is located
    just ahead of the line across the western Florida Panhandle. Surface
    dewpoints are in the upper 60s F with MLCAPE estimated by the RAP
    near 1500 J/kg. This combined with 0-6 km shear near 50 kt, evident
    on regional WSR-88D VWPs should support severe thunderstorms for a
    few more hours this morning. Wind damage will be possible along the
    leading edge of the faster-moving bowing line segments. A tornado
    will also be possible with cells that rotate within the ongoing
    quasi-linear convective system. However, instability weakens with
    eastward extent. The line of strong storms will eventually move into
    much weaker instability. For this reason, any severe threat may
    become more isolated with time. A local extension or small watch
    would be sufficient for any lingering severe threat.

    ..Broyles.. 04/10/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!pFEDHcs0UAhhCFjvs4oZDK2PHJrJ2jo6Tenl3-btJ8W2yPhCqtRJbWk8jtiMf1rRJxwFAkup$=
    for graphic product...


    LAT...LON 31508562 30928632 30668705 30518764 30148782 29908759
    29928619 29508519 29778412 31388420 31508562=20

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