• MESO: Mesoscale Discussion 2049

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Mon Sep 8 20:54:36 2025
    ACUS11 KWNS 082054
    SWOMCD
    SPC MCD 082053=20
    OKZ000-KSZ000-TXZ000-COZ000-082300-

    Mesoscale Discussion 2049
    NWS Storm Prediction Center Norman OK
    0353 PM CDT Mon Sep 08 2025

    Areas affected...Parts of southwest KS...northwest OK...OK/TX
    Panhandles

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

    Valid 082053Z - 082300Z

    Probability of Watch Issuance...60 percent

    SUMMARY...Coverage is uncertain, but isolated severe storm
    development may occur by 5-7 PM CDT. Watch issuance is possible.

    DISCUSSION...To the east of a surface trough and west/south of
    remnant outflow, a conditionally favorable severe-storm environment
    has evolved this afternoon from southwest KS into the OK/TX
    Panhandles. Diurnal heating of a moist airmass has resulted in
    moderate to locally strong destabilization, with MLCAPE now in the
    2000-3000 J/kg range per recent mesoanalyses. Across this region,
    modest midlevel northwesterly flow atop low-level southerlies is
    supporting elongated hodographs and effective shear of 30-40 kt,
    sufficient for organized storms, including supercell potential.

    Details of storm coverage and timing within this favorable
    environment remain uncertain, with generally modest large-scale
    ascent across the region. However, given the presence of multiple
    surface boundaries within an uncapped environment, at least isolated
    storm development is possible by 5-7 PM CDT. Development may occur
    as far west as extreme southwest KS into the western OK/TX
    Panhandles, in the vicinity of the weak surface trough. There is a
    somewhat stronger (though still uncertain) signal for development
    across the OK/northeast TX Panhandles into adjacent southwest KS, in
    closer proximity to the remnant outflow, where a gradually
    strengthening low-level jet may sustain severe-storm potential into
    the evening.=20

    Should robust development occur, splitting supercells will be
    possible, with a primary threat of large to very large hail and
    localized severe gusts. A tornado cannot be ruled out if any
    supercells can be sustained near the remnant outflow, especially as
    low-level shear/SRH increases with time early this evening. Watch
    issuance is possible if confidence increases in the development of
    one or more sustained supercells into the early evening.

    ..Dean/Hart.. 09/08/2025

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!6kayDgHYjr3Brdz9VyCfvWtVCr0TsgNYBTsAKZJBpU0_G2rQiiZh-EQ93r7mrHWt7flNVKp0G= ug2Sn9bYiHkyqrv66M$ for graphic product...

    ATTN...WFO...OUN...DDC...GLD...AMA...PUB...

    LAT...LON 36720233 37860139 38860094 38880037 38899970 36949911
    36159948 35329992 35290091 35730219 36320290 36720233=20

    MOST PROBABLE PEAK TORNADO INTENSITY...85-115 MPH
    MOST PROBABLE PEAK WIND GUST...55-70 MPH
    MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN


    =3D =3D =3D
    To unsubscribe from WX-STORM and you already have a login, go to https://lists.illinois.edu and use the "Unsubscribe" link. Otherwise email Chris Novy at cnovy@cox.net and ask to be removed from WX-STORM.

    --- SBBSecho 3.28-Linux
    * Origin: capitolcityonline.net * Telnet/SSH:2022/HTTP (1:2320/105)