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  • MESO: Mesoscale Discussion 1983

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sun Aug 13 19:58:50 2023
    ACUS11 KWNS 131958
    SWOMCD
    SPC MCD 131958=20
    MEZ000-MAZ000-NHZ000-132100-

    Mesoscale Discussion 1983
    NWS Storm Prediction Center Norman OK
    0258 PM CDT Sun Aug 13 2023

    Areas affected...eastern NH...Maine

    Concerning...Severe Thunderstorm Watch 640...

    Valid 131958Z - 132100Z

    The severe weather threat for Severe Thunderstorm Watch 640
    continues.

    SUMMARY...The risk for isolated large hail and damaging gusts will
    continue across the watch area. The greatest severe risk through
    5pm EDT is over central Maine in association with a few multicells
    and supercells.

    DISCUSSION...Visible-satellite imagery shows a destabilizing cumulus
    field over northern Maine, which is located downstream of
    strong/severe thunderstorm activity. Surface temperatures are
    gradually warming into the lower 70s where the stratus has eroded
    for more than 1 hour, and this warmer and increasingly destabilizing
    boundary layer will become more favorable for the ongoing storms to
    maintain vigor as they move into northern portions of Maine. As
    such, the greatest risk for large hail and damaging gusts will occur
    with storms over central Maine as they move east near I-95.=20=20

    Farther southwest, additional storms will move into western parts of
    Maine and continue to develop over NH over the next 1-2 hours. It
    is unclear regarding the coverage of severe activity with these
    storms since some convective overturning via outflow has spread
    across parts of western/southern Maine.

    ..Smith.. 08/13/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!_jBj7KYp1sms34CjLQv9ltpvSioHSO6pHTwCFzQwaTRQbUJHV3LQHu0t83bxu0crTSjvfloTy= B7gYBxkAoTB5c4D51c$ for graphic product...

    ATTN...WFO...CAR...GYX...BOX...

    LAT...LON 42747118 42747125 42777135 42827143 43567173 43597173
    45317108 46706999 47466922 47366823 47336816 47206796
    47076779 45926775 45826776 44406796 44106833 43826889
    42877082 42747118 42747118=20


    =3D =3D =3D
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