• MESO: Mesoscale Discussion 0519

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tue May 4 07:02:33 2021
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    ACUS11 KWNS 040702
    SPC MCD 040702=20

    Mesoscale Discussion 0519
    NWS Storm Prediction Center Norman OK
    0202 AM CDT Tue May 04 2021

    Areas affected...central and northeastern Arkansas and into
    southeastern Missouri

    Concerning...Severe Thunderstorm Watch 137...

    Valid 040702Z - 040830Z

    The severe weather threat for Severe Thunderstorm Watch 137

    SUMMARY...Strong/locally severe storms continue to advance across
    northeastern and central Arkansas, where damaging winds continue to
    pose severe risk.

    DISCUSSION...Latest radar loop continues to show a fairly
    well-organized bowing cluster of storms moving across northeastern
    Arkansas and adjacent southeastern Missouri, with vigorous storms
    developing eastward toward the Mississippi Valley just ahead of the
    bow in a wing of warm advection.

    Meanwhile, a second/organized cluster of storms is ongoing just to
    the southwest, which will move northeastward across central Arkansas
    at around 45 kt over the next 1 to 2 hours. These storms are most
    intense in the vicinity of a west-to-east outflow boundary laid out
    by the bowing cluster to the north, that has sagged southward into
    the Little Rock area. A 62 kt gust has recently been reported near
    Hot Springs with this cluster, and expect strong/possibly damaging
    winds will affect the Little Rock metro area beginning within the
    next half hour or so.

    ..Goss.. 05/04/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!peH-nZSB34XaFTuRAr1SS_hKhKXOS6hj2gxZHuTHGm3mou4GHM_wWIjsnlQhhK_mUTuH6VvG$=
    for graphic product...


    LAT...LON 37079136 35899136 35449173 35189318 34069319 34109245
    34579099 36859018 37079136=20

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