• MESO: Mesoscale Discussion 1573

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sun Jul 6 04:20:04 2025
    ACUS11 KWNS 060419
    SWOMCD
    SPC MCD 060419=20
    SDZ000-WYZ000-060615-

    Mesoscale Discussion 1573
    NWS Storm Prediction Center Norman OK
    1119 PM CDT Sat Jul 05 2025

    Areas affected...Black Hills region

    Concerning...Severe Thunderstorm Watch 488...

    Valid 060419Z - 060615Z

    The severe weather threat for Severe Thunderstorm Watch 488
    continues.

    SUMMARY...Isolated gusts and marginally severe hail possible for the
    next several hours.

    DISCUSSION...Long-lived complex of storms that developed over
    southern MT have spread southeast across the northern Black Hills
    and appear to be encountering less buoyancy as they spread into the
    High Plains. Northern plume of 1000-1500 J/kg MLCAPE extends into
    extreme southern SD, but nocturnal cooling will eventually force
    cloud bases to become more elevated in nature, especially where
    temperatures have lowered into the upper 60s/near 70F. Large-scale
    support ahead of the MT short-wave trough will continue to encourage
    this activity to propagate southeast; however, severe wind gusts
    should become increasingly isolated, and hail may struggle to attain
    severe levels. At this time a new severe thunderstorm watch does not
    appear warranted.

    ..Darrow.. 07/06/2025

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!5LzpyYcwHRPfKkbXfkeylRyecYoxvW9wtj-2TFMc9AtZFt1h_OxCtywfyqSnqcx35TZK-146k= jAjOUmAA_vN6IlIAik$ for graphic product...

    ATTN...WFO...UNR...

    LAT...LON 44260440 44390275 44840139 43240152 43580439 44260440=20

    MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH
    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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