• MESO: Mesoscale Discussion 0549

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sun Apr 28 00:11:43 2024
    ACUS11 KWNS 280011
    SWOMCD
    SPC MCD 280011=20
    ILZ000-IAZ000-MOZ000-280115-

    Mesoscale Discussion 0549
    NWS Storm Prediction Center Norman OK
    0711 PM CDT Sat Apr 27 2024

    Areas affected...southeastern Iowa...northern Missouri...far western
    Illinois

    Concerning...Tornado Watch 147...150...

    Valid 280011Z - 280115Z

    The severe weather threat for Tornado Watch 147, 150 continues.

    SUMMARY...Damaging wind threat increasing. Tornado threat continues
    within WW147 and WW150.

    DISCUSSION...Thunderstorm activity across southeastern Iowa into
    northeastern Missouri has evolved to become more linear, with
    evidence of transient weak embedded mesovortices. Lightning
    activity has been most productive in the southern portion of the
    line. Potential for damaging winds will increase as this line moves
    northeast, though tornado potential remains. The environment ahead
    of this line remains unstable (with MLCAPE around 1000-2000 J/kg),
    which should support continued severe risk over the next few hours,
    though deep layer shear will tend to decrease with northern extent.

    ..Thornton/Smith.. 04/28/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!56QCfUWnjFMccW0bcz80gEmed4NdDVoq6OQnwXJQJA9WBpe4-m7NyFskNjdSGTTrLZ8REQmPr= _7AFv1NEL8I5EGUZEM$ for graphic product...

    ATTN...WFO...LSX...DVN...DMX...EAX...

    LAT...LON 40059268 39919350 39909353 39969368 40179362 40529300
    41219247 41439241 41819212 42069156 42049110 41679094
    41069096 40749105 40379133 40059191 40059268=20


    =3D =3D =3D
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