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  • MESO: Mesoscale Discussion 1893

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Mon Aug 7 21:01:54 2023
    ACUS11 KWNS 072101
    SWOMCD
    SPC MCD 072101=20
    NYZ000-NJZ000-PAZ000-DEZ000-MDZ000-072230-

    Mesoscale Discussion 1893
    NWS Storm Prediction Center Norman OK
    0401 PM CDT Mon Aug 07 2023

    Areas affected...portions of eastern Maryland and Pennsylvania into Delaware...western New Jersey...and eastern New York

    Concerning...Tornado Watch 605...

    Valid 072101Z - 072230Z

    The severe weather threat for Tornado Watch 605 continues.

    SUMMARY...The severe threat continues across Tornado Watch 605. All
    severe hazards remain possible. The severe threat may also develop
    farther north into eastern NY, where a new WW issuance may be
    needed.

    DISCUSSION...Supercell structures across northeast PA, and a QLCS
    along the PA/MD/VA border area, continue to approach the Hudson
    Valley (Tornado Watch 605 area). A few instances of low-level
    rotation have occurred with the northeast PA storms, with continuous
    reports of damaging gusts being received with the aforementioned
    QLCS. Over the Hudson Valley, an adequate buoyancy/vertical shear
    parameter space exists to promote a continued severe threat with the
    ongoing storms as they approach the Delaware River. Damaging gusts
    appear to be the main threat given increasing linear storm modes.
    However, a couple of tornadoes may still occur with persistent
    supercells and/or QLCS circulations. Adequate buoyancy has also
    materialized farther north into east-central NY, where approaching
    storms are also increasing in number and intensity. Pending
    convective trends, a WW issuance may be needed across portions of
    the Upper Hudson Valley.

    ..Squitieri.. 08/07/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!-XBmE7ifjaGxpV8ARkLTtPi-lbBgcSH48uABNBQOuCYq9r52AWJjx6IGbbHmMsSdWomc2JcUZ= HIfuM1wQAVMPp6u6RE$ for graphic product...

    ATTN...WFO...BTV...OKX...ALY...PHI...BGM...AKQ...BUF...CTP...
    LWX...

    LAT...LON 38597596 41487634 43227593 44037576 44367559 44447537
    44417509 43987473 42997459 41627439 40327446 39307460
    38557496 38467547 38597596=20


    =3D =3D =3D
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