• MESO: Mesoscale Discussion 0523

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wed Apr 23 03:58:50 2025
    ACUS11 KWNS 230358
    SWOMCD
    SPC MCD 230357=20
    TXZ000-OKZ000-230530-

    Mesoscale Discussion 0523
    NWS Storm Prediction Center Norman OK
    1057 PM CDT Tue Apr 22 2025

    Areas affected...portions of northwestern Texas

    Concerning...Severe Thunderstorm Watch 159...160...

    Valid 230357Z - 230530Z

    The severe weather threat for Severe Thunderstorm Watch 159, 160
    continues.

    SUMMARY...Severe gusts may accompany an organized MCS over the next
    few hours.

    DISCUSSION...An MCS has organized a couple of hours ago, and the
    KCDS ASOS measured a southeasterly gust of 47 kts within the
    trailing precipitation region, indicating that a localized severe
    gust threat may be increasing. This is in agreement with the last
    several runs of Warn-on-forecast, which has depicted a severe wind
    swath with this MCS along/near the Red River. Given residual MLCAPE
    around 2000 J/kg and increasing WAA with a strengthening nocturnal
    low-level jet, this MCS may persist, perhaps with severe gusts for
    at least a few more hours. Given the approaching expiration time of
    the ongoing severe thunderstorm watches, a downstream watch may be
    needed pending favorable convective trends against increasing
    MLCINH.

    ..Squitieri.. 04/23/2025

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!5oxZjzlzr74HW5lZxgzNBizLdOVxZP31Rp7m_XiKEnEozUItHe_HkSb8iCZQI2zU3oBM0-4v0= ukz5GChJ0-IFYq8ArA$ for graphic product...

    ATTN...WFO...FWD...OUN...SJT...LUB...

    LAT...LON 33870160 34440075 34619957 34189851 33549832 33139844
    32899918 32939998 33060065 33160093 33420148 33870160=20

    MOST PROBABLE PEAK WIND GUST...65-80 MPH
    MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN


    =3D =3D =3D
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