• MESO: Mesoscale Discussion 1386

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thu Jul 29 09:56:05 2021
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    ACUS11 KWNS 290955
    SPC MCD 290955=20

    Mesoscale Discussion 1386
    NWS Storm Prediction Center Norman OK
    0455 AM CDT Thu Jul 29 2021

    Areas affected...Portions of northeastern IN...northwestern OH...and
    far southern Lower MI

    Concerning...Severe Thunderstorm Watch 400...

    Valid 290955Z - 291130Z

    The severe weather threat for Severe Thunderstorm Watch 400

    SUMMARY...An isolated wind threat continues in the short term.
    Downstream watch issuance this morning is not currently expected.

    DISCUSSION...The northeastern segment of an MCS has persisted early
    this morning across parts of northern IN. A measured wind gust to 65
    mph associated with this MCS was recorded at 0915Z at the Goshen
    Airport ASOS. Based on recent velocity data from the KIWX radar, a
    continued threat for isolated strong to severe winds should continue
    in the short term across portions of northeastern IN. The airmass is
    less unstable downstream into northwestern OH and far southeastern
    Lower MI per recent mesoanalysis estimates, with MLCAPE generally
    500-1000 J/kg. While a threat for occasional strong/gusty winds may
    continue with this small cluster across northwestern OH and
    vicinity, the overall severe threat appears rather isolated.
    Therefore, downstream watch issuance this morning is unlikely at
    this time.

    ..Gleason.. 07/29/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!ppmO1nXIhS7_bVXWLDitEvqErO16V7rknn-nayeXPILqca3ghcGNZCZ8QU9iv_1QtGIKgGsA$=
    for graphic product...


    LAT...LON 40798622 41408525 41908512 42018468 42028315 41078302
    40388344 40148449 40298574 40798622=20

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