• MESO: Mesoscale Discussion 2183

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sun Oct 26 08:32:38 2025
    ACUS11 KWNS 260832
    SWOMCD
    SPC MCD 260832=20
    MSZ000-LAZ000-261030-

    Mesoscale Discussion 2183
    NWS Storm Prediction Center Norman OK
    0332 AM CDT Sun Oct 26 2025

    Areas affected...Parts of southeastern Louisiana and southern
    Mississippi

    Concerning...Severe potential...Watch possible=20

    Valid 260832Z - 261030Z

    Probability of Watch Issuance...40 percent

    SUMMARY...Monitoring parts of southeastern Louisiana and southern
    Mississippi for continued severe risk downstream of Tornado Watch
    632. The need for another watch is uncertain, though convective
    trends are being monitored.

    DISCUSSION...Storms have been struggling to organize/intensify as
    they track eastward across southern LA and southern MS in Tornado
    Watch 632. This is largely due to limited large-scale forcing for
    ascent and the lack of a low-level mass response amid poor lapse
    rates across the surface-based warm sector. Nevertheless, a
    conditionally favorable environment remains in place for rotating
    storms -- characterized by enlarged/clockwise-curved low-level
    hodographs (per HDC VWP) and lower 70s boundary-layer dewpoints.
    This environment will continue shifting eastward across southeastern
    LA and southern MS into the early morning hours. As a result, a
    continued conditional risk of a tornado or locally damaging gusts is
    being monitored. It is unclear if another watch will be needed,
    though convective trends are being monitored.

    ..Weinman/Smith.. 10/26/2025

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!-2zBkuxUTO5cLfNoztPy3f_lbj8XIVw1Euo5xr2eyinPidnBxXKIJ6XeZAm983xeh0JSiYw5k= udjhdjfmhJX2x9vRGw$ for graphic product...

    ATTN...WFO...MOB...JAN...LIX...

    LAT...LON 30209067 31369049 31559014 31508958 31398926 31018897
    30298903 29688947 29509036 29769064 30209067=20

    MOST PROBABLE PEAK TORNADO INTENSITY...85-115 MPH
    MOST PROBABLE PEAK WIND GUST...55-70 MPH


    =3D =3D =3D
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