• MESO: Mesoscale Discussion 1233

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sat Jul 10 07:57:58 2021
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    ACUS11 KWNS 100757
    SPC MCD 100757=20

    Mesoscale Discussion 1233
    NWS Storm Prediction Center Norman OK
    0257 AM CDT Sat Jul 10 2021

    Areas affected...portions of northeastern and east-central
    Kansas...and northwestern and west-central Missouri

    Concerning...Severe Thunderstorm Watch 363...

    Valid 100757Z - 100930Z

    The severe weather threat for Severe Thunderstorm Watch 363

    SUMMARY...Risk for locally damaging winds continues across portions
    of WW 363, and may spread into adjacent areas just to the south of
    the current watch.

    DISCUSSION...Latest radar loop shows continued evolution of multiple
    convective clusters from Nebraska/Kansas to southern Illinois -- all
    being sustained in part by a southwesterly low-level jet providing
    theta-e advection and associated low-level ascent into the region.=20
    A band of thunderstorms now crossing northwestern Missouri continues
    to effectively overturn the very unstable airmass that has been in
    place across this region, with these storms expected to continue
    impinging on the persistent band of slow-moving storms over
    north-central Missouri. Damaging winds remain likely within this
    zone, but an eventual southward shift of the main region for
    convective regeneration -- into central Missouri -- is expected with
    time as outflow becomes reinforced in a west-northwest to
    east-southeast manner from west-central to southeastern Missouri.

    Farther west across Kansas, over southwestern portions of the watch,
    some westward regeneration of convection is ongoing, ahead of a
    cluster of storms moving southeastward across north-central Kansas.=20
    Latest indications are that this portion of WW 363 may remain an
    active zone for ongoing convection/convective redevelopment for the
    next few hours.

    ..Goss.. 07/10/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!szqK8IlCxmaGhWJnuMcXxZYRlw1mk7BpDSKbN9mFIydHlPQIJAp_aM22shRVgbpLPwhy8N6T$=
    for graphic product...


    LAT...LON 39989781 39889697 39389624 39039556 39429464 40659407
    40269289 39699224 38999241 38089377 38019593 38699737

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