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  • MESO: Mesoscale Discussion 0985

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Mon Jun 12 00:42:57 2023
    ACUS11 KWNS 120042
    SWOMCD
    SPC MCD 120042=20
    ALZ000-MSZ000-LAZ000-120215-

    Mesoscale Discussion 0985
    NWS Storm Prediction Center Norman OK
    0742 PM CDT Sun Jun 11 2023

    Areas affected...central Mississippi

    Concerning...Severe Thunderstorm Watch 270...

    Valid 120042Z - 120215Z

    The severe weather threat for Severe Thunderstorm Watch 270
    continues.

    SUMMARY...A new severe thunderstorm watch will likely be needed
    across central MS this evening.

    DISCUSSION...Several severe thunderstorms are ongoing across
    northern MS and eastern AR this evening. Large hail to golfball size
    has been the main reported hazard with this activity so far. As
    these storms continue to develop and shift southeast, they will
    encounter strong instability (2500 J/kg MLCAPE) and effective shear
    magnitudes around 35-40 kt. The 00z JAN RAOB showed steep midlevel
    lapse rates greater than 7 C/km and an elongated hodograph,
    indicating potential for severe hail will continue. With time, some
    upscale development into bowing segments is possible. If this
    occurs, damaging wind potential will increase as the band of
    convection shifts south through at least 1 am CDT.=20

    Severe thunderstorm watch 270 expires at 03z, but the threat severe
    threat is expected to extend beyond that time, as well as further
    east and south of the current watch. As a result, a new watch will
    likely be needed in the next 1-2 hours.

    ..Leitman.. 06/12/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!4apvFvY6vO5llpT89NGho4_3m76pbBHmjU8ITLiRzPBc8-JykghyUunD7xJOxPFRSbQI6ChSp= GS1yC3SZOHIPqBjAoo$ for graphic product...

    ATTN...WFO...BMX...MEG...JAN...

    LAT...LON 32968830 32268843 32028979 32099066 32409101 32869109
    33309102 33649091 33849041 33718833 32968830=20


    =3D =3D =3D
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