• MESO: Mesoscale Discussion 1104

    From COD Weather Processor@1:2320/107 to wx-storm@lists.illinois.edu on Fri Jun 12 01:25:41 2026
    ACUS11 KWNS 120125
    SWOMCD
    SPC MCD 120125=20
    INZ000-ILZ000-120230-

    Mesoscale Discussion 1104
    NWS Storm Prediction Center Norman OK
    0825 PM CDT Thu Jun 11 2026

    Areas affected...southern Illinois into southern and central Indiana

    Concerning...Severe potential...Watch needed soon=20

    Valid 120125Z - 120230Z

    Probability of Watch Issuance...95 percent

    SUMMARY...A severe thunderstorm watch is needed soon from southern
    Illinois into parts of southern and central Indiana.

    DISCUSSION...A line of storms continues to move southeast across
    central Illinois. This line of storms will continue southeast
    through the evening. While the severe wind threat will likely not be
    as strong as farther north where the line is more progressive, the
    strong instability and steep lapse rate environment will support a
    damaging wind threat with these storms through the evening. A severe thunderstorm watch will be issued soon for this threat.

    ..Bentley/Smith.. 06/12/2026

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!9XGOuA5cyG-AY2BZcrzbd3Ozno2aJwteBPXghPQFuJUHAmHpUnG_rWY8D58SK0qnXdk3GOVgg= 4ryK1Yx0sfa7Y7WXs4$ for graphic product...

    ATTN...WFO...ILN...LMK...IWX...IND...PAH...ILX...LSX...

    LAT...LON 39088966 39438819 39968669 40378562 40278499 39878491
    39318517 38938579 38508692 38268762 38218840 38348915
    38428950 39088966=20

    MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH
    MOST PROBABLE PEAK WIND GUST...55-70 MPH
    MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN


    =3D =3D =3D
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    * Origin: Capitol City Online (1:2320/107)