• MESO: Mesoscale Discussion 1991

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tue Aug 19 01:28:54 2025
    ACUS11 KWNS 190127
    SWOMCD
    SPC MCD 190127=20
    KSZ000-190330-

    Mesoscale Discussion 1991
    NWS Storm Prediction Center Norman OK
    0827 PM CDT Mon Aug 18 2025

    Areas affected...Northwestern Kansas...Southwest Nebraska

    Concerning...Severe Thunderstorm Watch 601...

    Valid 190127Z - 190330Z

    The severe weather threat for Severe Thunderstorm Watch 601
    continues.

    SUMMARY...Strong gusts along with some hail threat continues across northwestern Kansas into southwest Nebraska.

    DISCUSSION...Much of the western half of ww601 has stabilized due to
    extensive convective overturning. Surface temperatures have cooled
    into the 60s across northeast CO and the more buoyant air mass now
    resides downstream across the central Plains. Strong, slow-moving
    thunderstorms continue along a boundary that is draped from Greeley County-Ellis County KS, but even this activity has gradually
    weakened over the last hour or so. Given the lack of meaningful
    large-scale support, or a strong LLJ, severe wind/hail risk should
    be more isolated in nature as storms propagate slowly this evening.

    ..Darrow.. 08/19/2025

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!7lpwo8puSsppEoUZ4mR63V7aMwI3v-uzA3uqupUYPn5MuVqCDEuCsATj-mUj-Tbe-vRkBGxoM= DTn0DzQpytnHneL-KQ$ for graphic product...

    ATTN...WFO...GID...DDC...GLD...

    LAT...LON 39800140 39399943 38609948 38620084 39130192 39800140=20

    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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