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  • MESO: Mesoscale Discussion 1701

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Mon Jul 24 22:13:13 2023
    ACUS11 KWNS 242213
    SWOMCD
    SPC MCD 242212=20
    OHZ000-KYZ000-INZ000-242345-

    Mesoscale Discussion 1701
    NWS Storm Prediction Center Norman OK
    0512 PM CDT Mon Jul 24 2023

    Areas affected...Portions of KY...IN...and OH

    Concerning...Severe Thunderstorm Watch 545...

    Valid 242212Z - 242345Z

    The severe weather threat for Severe Thunderstorm Watch 545
    continues.

    SUMMARY...Ongoing thunderstorms should continue to pose a threat for
    severe hail and damaging winds for a couple more hours this evening.

    DISCUSSION...Convection that strengthened earlier this afternoon
    across the OH Valley along and ahead of a weak front has produced
    occasional severe hail and damaging winds over the past couple of
    hours. The thermodynamic environment across this region remains
    favorable for robust thunderstorms in the short term, with latest
    mesoanalysis estimates showing around 2000-3500 J/kg MLCAPE present.
    Recent VWPs from area radars suggest low to mid-level flow remains
    fairly modest below about 6 km AGL, with some strengthening of
    northwesterly winds around 7-9 km AGL. A mix of multicells and
    marginal supercells should continue to pose a threat for mainly
    severe hail and damaging winds, respectively. This convection is
    forecast to slowly spread east-southeastward across parts of KY, southern/eastern IN, and southern/western OH over the next couple of
    hours. A less unstable airmass with eastward extent across the OH
    Valley and eventual nocturnal cooling should limit the overall
    severe threat farther east later this evening.

    ..Gleason.. 07/24/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!9Up0OVNuQtELmDQbwhRiu8reNaQKnNDe9jxM1V9VT0_01bQq5--NGl8XAy35VVd7IerlIUSNP= LbufbkZ_nZ0hM-g08k$ for graphic product...

    ATTN...WFO...PBZ...RLX...CLE...JKL...ILN...LMK...IND...PAH...

    LAT...LON 38678706 40068577 40528325 40278228 39778216 38768269
    38098396 37728517 36668570 36668740 37698688 38678706=20


    =3D =3D =3D
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