• MESO: Mesoscale Discussion 1089

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Fri Jun 25 06:41:15 2021
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    ACUS11 KWNS 250641
    SPC MCD 250640=20

    Mesoscale Discussion 1089
    NWS Storm Prediction Center Norman OK
    0140 AM CDT Fri Jun 25 2021

    Areas affected...Central and Eastern Kansas

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

    Valid 250640Z - 250915Z

    Probability of Watch Issuance...20 percent

    SUMMARY...An isolated wind-damage threat will likely continue across
    parts of central Kansas over the next couple of hours. The threat
    may spread into eastern Kansas later tonight. The threat should be
    too marginal for weather watch issuance.

    DISCUSSION...The latest radar imagery from Topeka shows a strong
    short line segment across central Kansas. The line has become
    slightly more organized over the last hour as reflectively has
    intensified along a wing of warm advection. This line is located on
    an east-to-west outflow boundary that is located near I-70. The air
    mass near the boundary is moderately unstable, with the RAP
    estimating MLCAPE in the 1500 to 2000 J/kg. In addition, the Topeka
    WSR-88D VWP has 0-6 km shear near 30 kt with strong directional
    shear in the lowest 1 km above ground level. This should be enough
    to support the line for a few more hours as it moves eastward along
    the outflow boundary into eastern Kansas. The wind-damage threat
    should continue but is expected to remain too isolated to warrant
    weather watch issuance.

    ..Broyles/Edwards.. 06/25/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!tCAoUomRAqQpM8-BCR1BfosP-YVqW_Qh0zDCyHhiG3AYSrZaCZuFBWuhF8TeMuvsMlDwvIQI$=
    for graphic product...


    LAT...LON 37889507 37739742 37949839 38209863 38719843 39209774
    38999613 38779501 37889507=20

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