• MESO: Mesoscale Discussion 1074

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thu Jun 24 10:02:37 2021
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    ACUS11 KWNS 241002
    SPC MCD 241002=20

    Mesoscale Discussion 1074
    NWS Storm Prediction Center Norman OK
    0502 AM CDT Thu Jun 24 2021

    Areas affected...Southern Iowa...Northern Missouri

    Concerning...Severe Thunderstorm Watch 308...

    Valid 241002Z - 241200Z

    The severe weather threat for Severe Thunderstorm Watch 308

    SUMMARY...An isolated wind-damage threat will likely continue for a
    few more hours across parts of the lower Missouri Valley. The threat
    should become increasingly marginal with time and new weather watch
    issuance downstream appears unlikely.

    DISCUSSION...The latest radar imagery from Omaha shows a
    well-developed bowing line segment in southwest Iowa and far
    northwest Missouri. This line is expected to remain intact for a few
    more hours, turning southeastward and moving across the remainder of
    southern Iowa and northwest Missouri. A wind-damage threat will
    likely continue for a few more hours. However, the RAP is showing
    much weaker instability across southeast Iowa and north-central
    Missouri, which is supported by cooler temperatures and lower
    dewpoints evident in the surface observations. As this convective
    line moves eastward toward the weaker instability, the severe threat
    should become increasingly marginal. Although the line may continue
    beyond the expiration of WW 308, new weather watch issuance will
    probably not be necessary.

    ..Broyles.. 06/24/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!sTYA7xxrvAgTMtUp6-SL4um3CyRPbf1-Lw3iHlN-zgt9EjpQNxw-XVe9R6WEXDGhUzjUpi3b$=
    for graphic product...


    LAT...LON 40919198 40419157 39769147 39029202 38809296 39189401
    39919500 41039458 41689373 40919198=20

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