• MESO: Mesoscale Discussion 0892

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tuesday, June 26, 2018 18:54:04
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    ACUS11 KWNS 261854
    SWOMCD
    SPC MCD 261853
    ILZ000-KYZ000-MOZ000-262000-

    Mesoscale Discussion 0892
    NWS Storm Prediction Center Norman OK
    0153 PM CDT Tue Jun 26 2018

    Areas affected...Southern Illinois and Southeastern Missouri

    Concerning...Severe potential...Watch likely

    Valid 261853Z - 262000Z

    Probability of Watch Issuance...80 percent

    SUMMARY...A severe thunderstorm watch is likely as strong to severe
    storms form this afternoon.

    DISCUSSION...Storms have formed in east central Missouri along a
    remnant outflow boundary from the morning convection. These storms
    will continue to move east with additional storms possible further
    east along the slowing outflow boundary. Given MUCAPE of 2000 to
    3000 J/kg south of this boundary and effective shear of 40 to 45
    knots, supercells and linear bowing segments are likely with
    damaging winds and large hail as the primary threat. The upstream
    storms in central Missouri will likely move into this same outflow
    corridor this evening. A severe thunderstorm watch will likely be
    needed.

    ..Bentley/Thompson.. 06/26/2018

    ...Please see www.spc.noaa.gov for graphic product...

    ATTN...WFO...PAH...MEG...LSX...SGF...

    LAT...LON 38209163 38239070 38219006 38208917 38108875 37678852
    36998892 36638914 36558976 36609058 36779131 37029169
    38209163



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