• MESO: Mesoscale Discussion 1775

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Fri Jul 25 01:13:51 2025
    ACUS11 KWNS 250113
    SWOMCD
    SPC MCD 250113=20
    ILZ000-MOZ000-250245-

    Mesoscale Discussion 1775
    NWS Storm Prediction Center Norman OK
    0813 PM CDT Thu Jul 24 2025

    Areas affected...portions of northeast Missouri into west-central
    Illinois

    Concerning...Severe potential...Watch unlikely=20

    Valid 250113Z - 250245Z

    Probability of Watch Issuance...5 percent

    SUMMARY...A couple of damaging gusts may occur with a
    cold-pool-driven MCS over the next few hours. A WW issuance is not
    expected.

    DISCUSSION...A cold-pool-driven MCS has recently organized into a
    quasi-bowing structure oriented roughly normal to the 20-30 kt
    effective bulk shear vectors. Surface observations suggest 10-20 F
    surface temperature deficits behind the main line. Given modest
    forward propagation of the MCS noted into a favorable airmass
    characterized by 2500+ J/kg MLCAPE, a couple of damaging gusts
    cannot be ruled out along locally stronger surges of the cold
    pool/convective leading line. Nonetheless, the severe threat will be
    isolated at best, so a WW issuance is not expected.

    ..Squitieri/Mosier.. 07/25/2025

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!65NEgEPU3R4Jp20OLk2l6LJMaK42KSZItY4uykW3XIMQmLAvMGQv0NaspWj7QqGcd5fSeGlUO= nc7He3z2R2jlP7xT-Q$ for graphic product...

    ATTN...WFO...ILX...LSX...

    LAT...LON 40029196 40149090 39838994 39348977 39039008 38939041
    38969103 38989145 38989182 39059223 40029196=20

    MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH


    =3D =3D =3D
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