• MESO: Mesoscale Discussion 2030

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thu Aug 29 19:35:45 2024
    ACUS11 KWNS 291935
    SWOMCD
    SPC MCD 291935=20
    IAZ000-NEZ000-SDZ000-292130-

    Mesoscale Discussion 2030
    NWS Storm Prediction Center Norman OK
    0235 PM CDT Thu Aug 29 2024

    Areas affected...Eastern Nebraska into western Iowa

    Concerning...Severe potential...Watch unlikely=20

    Valid 291935Z - 292130Z

    Probability of Watch Issuance...20 percent

    SUMMARY...Storm coverage along the cold front should continue to
    increase in eastern Nebraska and eventually western Iowa. The slow
    push eastward of storms and potential for outflow does increase
    uncertainty in how organized the damaging wind threat will be.
    Trends will be monitored, but a watch is not expected currently.

    DISCUSSION...Convection has developed along the cold front in
    south-central Nebraska. Additional storms are likely to develop
    along the boundary through the afternoon given the destabilization (particularly southeast Nebraska) evident on visible satellite. With
    shear vectors roughly parallel to the front, storm mode should be
    decidedly linear. It is possible for a supercell or two to be
    embedded in the line, especially with northern extent. The main
    hazard should be damaging winds with isolated large hail more
    conditional on a discrete storm mode.

    In northwest Iowa and south-central Nebraska, outflow from
    convection is evident on KFSD/KUEX radar imagery. With similar
    potential for outflow pushing away from storms and the frontal
    motion continuing to the east, there is some chance many storms will
    be slightly elevated in nature and for corridors of greater wind
    damage potential to be dependent on mesoscale outflow surges.

    ..Wendt/Guyer.. 08/29/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!5C5i5GFsMaXjHyBqnHHcmAQebdS_J_GgZFZ7HmYXpbTEfQj_NEaRbhDiNNZo8SMMP1tXvC2Nd= LQ8RYz6rP6eK9hzfvI$ for graphic product...

    ATTN...WFO...DMX...FSD...OAX...GID...

    LAT...LON 40109890 40549876 42149800 42319785 42559754 42649631
    42499533 41939512 40319637 40069746 40069806 40109890=20


    =3D =3D =3D
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