• MESO: Mesoscale Discussion 1026

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sun Jun 20 04:10:05 2021
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    ACUS11 KWNS 200409
    SPC MCD 200409=20

    Mesoscale Discussion 1026
    NWS Storm Prediction Center Norman OK
    1109 PM CDT Sat Jun 19 2021

    Areas affected...north-central/northeast
    KS...south-central/southeast NE...southwest IA...northwest MO

    Concerning...Severe Thunderstorm Watch 291...

    Valid 200409Z - 200545Z

    The severe weather threat for Severe Thunderstorm Watch 291

    SUMMARY...An pronounced bowing line of severe thunderstorms will
    pose a threat for damaging winds east of Severe Thunderstorm Watch
    291, and a downstream watch will be issued prior to 05z.

    DISCUSSION...A pronounced bowing line of severe thunderstorms
    extended from Kearney County NE south to Russell County, KS at 04z.=20
    The line was moving northeast at 50 mph, and has produced numerous
    severe wind reports, several in excess of 80 mph. A strengthening
    low-level jet and MUCAPE in excess of 3000 J/kg along and south of
    an east-west stationary front will provide a very favorable
    environment for the system to maintain its structure and damaging
    wind potential into far eastern NE, northwest MO and portions of
    western IA into the early morning hours. Thus, a new Severe
    Thunderstorm Watch will be needed prior to 05z.

    ..Bunting.. 06/20/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!r_jHQJqxqf6ie57JQcE5k0ZzYvwghsM0rCL8XKDoI2Ko5dJM5v65G2dg1GSVpNGcOwXclR25$=
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    LAT...LON 39959905 40429950 41079822 41569673 41779585 41839496
    41789433 41559398 40759393 40149424 39869498 39359631
    39169733 39209814 39279889 39959905=20

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