• MESO: Mesoscale Discussion 0754

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wed May 26 22:35:40 2021
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    ACUS11 KWNS 262235
    SPC MCD 262234=20 NYZ000-NJZ000-PAZ000-DEZ000-MDZ000-DCZ000-VAZ000-WVZ000-270030-

    Mesoscale Discussion 0754
    NWS Storm Prediction Center Norman OK
    0534 PM CDT Wed May 26 2021

    Areas affected...Portions of Mid-Atlantic

    Concerning...Severe Thunderstorm Watch 205...206...

    Valid 262234Z - 270030Z

    The severe weather threat for Severe Thunderstorm Watch 205, 206

    SUMMARY...Damaging wind gusts remain a concern with convection
    nearing the Atlantic Coast. A few isolated storms near the Blue
    Ridge and along the cold front may pose a low-end threat for strong

    DISCUSSION...The most intense and organized convection near the
    Atlantic Coast will impact portions or northern and central New
    Jersey into western Long Island. Surface observations show much
    cooler air in central and eastern Long Island. Parts of this
    convective line will likely move offshore within the next hour. With
    a narrow corridor of temperatures into the mid/upper 80s F, damaging
    gusts will be possible in the short term. In Maryland and northern
    Virginia, convection has been more of a broken line. A similar
    hot/unstable airmass is ahead of a cluster now approaching the
    Delmarva. Damaging gusts will be possible here for the next 1-1.5
    hours. A small cluster has recently developed along the Blue Ridge
    and is moving east. This may pose a threat for damaging gusts as
    well, but stable air awaits this activity in the wake of early
    convection and continued loss of boundary-layer heating. This threat
    will be likely short-lived.

    Farther north and west along the synoptic cold front, lingering
    convection may persist this evening. With the boundary layer
    stabilizing, isolated strong gusts would be the main threat before
    this activity diminishes.

    ..Wendt.. 05/26/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!rMRWfVcoSHTObUdQiTU-_gBxFl2fmQXjyBWQHEHQlWwWt5u5YlXtvJVJfsv3w4ovFQY-8sPq$=
    for graphic product...


    LAT...LON 39357857 39547805 39637674 39877618 39897605 40607522
    41087479 41177428 40947381 40097397 39357445 38777493
    38587553 38517645 38497705 38487761 38637821 38907860

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