• MESO: Mesoscale Discussion 0609

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tue Apr 29 22:13:16 2025
    ACUS11 KWNS 292210
    SWOMCD
    SPC MCD 292210=20
    PAZ000-MDZ000-WVZ000-VAZ000-292345-

    Mesoscale Discussion 0609
    NWS Storm Prediction Center Norman OK
    0510 PM CDT Tue Apr 29 2025

    Areas affected...Central Appalachians

    Concerning...Severe Thunderstorm Watch 191...

    Valid 292210Z - 292345Z

    The severe weather threat for Severe Thunderstorm Watch 191
    continues.

    SUMMARY...Damaging winds are expected ahead of a squall line this
    evening.

    DISCUSSION...Mature MCS is progressing across the upper Ohio Valley
    early this evening. Leading edge of this complex is surging east in
    excess of 35kt and damaging winds have been noted along the leading
    squall line. Latest diagnostic data suggests a narrow corridor of
    higher instability extends across the eastern WV/MD Panhandle, and
    0-3km lapse rates are fairly steep. This MCS should continue east
    and the current watch may need to be extended to account for the
    this activity spreading beyond ww191.

    ..Darrow.. 04/29/2025

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!6S8LY53vZ8sbEkL74YIePEXQFusjij5us2y_IG1YWVI78BenSH2DBPbCcl-yZtal0vGfBhFM-= 0O1j4JfLoV2oPh2nlY$ for graphic product...

    ATTN...WFO...CTP...LWX...PBZ...RLX...

    LAT...LON 39358007 40397886 41307875 41157719 39987752 39097884
    39358007=20

    MOST PROBABLE PEAK TORNADO INTENSITY...85-115 MPH
    MOST PROBABLE PEAK WIND GUST...55-70 MPH
    MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN


    =3D =3D =3D
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