• MESO: Mesoscale Discussion 1288

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wed Jul 14 22:48:03 2021
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    ACUS11 KWNS 142247
    SPC MCD 142247=20

    Mesoscale Discussion 1288
    NWS Storm Prediction Center Norman OK
    0547 PM CDT Wed Jul 14 2021

    Areas affected...Central into northeast Iowa

    Concerning...Tornado Watch 378...

    Valid 142247Z - 150045Z

    The severe weather threat for Tornado Watch 378 continues.

    SUMMARY...The potential for tornadoes will be focused in northeast
    Iowa and potential parts of east-central Iowa. Farther west, veered
    surface flow will limit tornado potential, though damaging winds and
    perhaps isolated hail remain a possibility.

    DISCUSSION...The remaining area of greatest concern for a continued
    tornado threat exists in northeastern Iowa. A confirmed tornado was
    located in Bremer County east of Waverly. This storm has remained
    discrete and will likely be the focus for tornadic potential over
    the next hour or two. To its southwest, another cluster of
    supercells has recently grown upscale. While the storm mode would
    indicate a lower tornado threat, temperatures downstream of these
    storms have continued to warm into the upper 70s to low 80s F.
    Surface winds remain backed and will continue to support enhanced
    low-level SRH and potential for tornadoes.

    To the west of I-35, surface winds have veered considerably and are
    now west to west-southwesterly. Though storms have developed along
    the cold front, these storms are more of a damaging wind gusts and
    perhaps isolated large hail threat. The tornado threat in these
    areas is relatively lower.

    ..Wendt.. 07/14/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!p5EC3rQPrQHLSk8aqUR9V908qJRC1TqA4YXhEGCpItle4-yrxCmFTxtnPFwTWnfeB2sX35Ax$=
    for graphic product...


    LAT...LON 41989622 42649484 43239344 43339272 43249210 43049164
    42629166 42139172 41559217 41489499 41499588 41989622=20

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