• MESO: Mesoscale Discussion 0753

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wed May 26 22:08:12 2021
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    ACUS11 KWNS 262208
    SPC MCD 262207=20

    Mesoscale Discussion 0753
    NWS Storm Prediction Center Norman OK
    0507 PM CDT Wed May 26 2021

    Areas affected...Portions of New England

    Concerning...Severe Thunderstorm Watch 208...

    Valid 262207Z - 270000Z

    The severe weather threat for Severe Thunderstorm Watch 208

    SUMMARY...Damaging gust potential will continue in WW 208 for at
    least another hour. As daytime heating ceases, the boundary layer
    will cool and stabilize. Convective intensity may decrease as it
    approaches the coast.

    DISCUSSION...Though temperatures have started to cool slightly,
    upper 80s to low 90s F observations are still present across parts
    of southern New England into southwestern Maine. Low-level lapse
    rates should continue to support damaging gusts with a
    semi-organized line from central New Hampshire into central
    Massachusetts for at least another hour. With the line back-building
    farther southwest into more of Massachusetts, it is possible that
    the southern flank of the line will end up impacting the Boston area
    within the next 1.5-2 hours. The main uncertainty will be how
    intense the line will be as temperatures slowly decrease with the
    loss of daytime heating.

    ..Wendt.. 05/26/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!u3UrcsJyd36Kjsnlvd_YKnJ8_FHRHmdZE88aRSRg6tmoeN1j4JLSLY2h_PGa2GwY0GBDZVF7$=
    for graphic product...


    LAT...LON 43107206 44707111 44947040 44037019 42807072 42487107
    42077165 41747203 41807247 42047279 42157293 43107206=20

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