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  • MESO: Mesoscale Discussion 1533

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tuesday, July 01, 2025 19:04:55
    ACUS11 KWNS 011902
    SWOMCD
    SPC MCD 011902=20
    NJZ000-PAZ000-MDZ000-DEZ000-VAZ000-DCZ000-012100-

    Mesoscale Discussion 1533
    NWS Storm Prediction Center Norman OK
    0202 PM CDT Tue Jul 01 2025

    Areas affected...Mid-Atlantic States

    Concerning...Severe Thunderstorm Watch 481...

    Valid 011902Z - 012100Z

    The severe weather threat for Severe Thunderstorm Watch 481
    continues.

    SUMMARY...Multiple clusters spreading across the Piedmont to Coastal
    Plain should produce swaths of damaging winds as activity reaches Chesapeake/Delaware Bays and the adjacent Mid-Atlantic Coast.

    DISCUSSION...Scattered to widespread thunderstorms are ongoing with
    multiple consolidating clusters over central to southeast PA and
    northern VA. The northwesternmost of these has maintained coherent
    but sub-severe outflow that should spell the end of severe potential
    in its wake. With potential for cold pool intensification, this
    cluster may accelerate and merge into the leading clusters. This
    would consequently increase damaging wind potential across the DE to
    Chesapeake Bay vicinity. Low to mid 90s surface temperatures, away
    from any immediate marine influence, are common in these regions,
    supporting peak MLCAPE of 2000-2500 J/kg ahead of the clusters.
    Strong to localized severe gust potential is expected to peak in the
    next 2-4 hours.

    ..Grams.. 07/01/2025

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!44HAPA63CEq1qMf0W224PsCeSJdTbVRMmO4nzVuVYaWDiF3L270p27NzGr6aUhNtTcr0ZghEw= b2QjcrwT6FSuu_-J0I$ for graphic product...

    ATTN...WFO...PHI...AKQ...CTP...LWX...

    LAT...LON 40477673 40307517 40177397 39757392 38857467 38287506
    37917607 37807693 38057820 38397867 38597831 38777757
    39457695 39927719 40147729 40477673=20

    MOST PROBABLE PEAK WIND GUST...55-70 MPH


    =3D =3D =3D
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