• MESO: Mesoscale Discussion 1508

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thu Jul 13 00:02:55 2023
    ACUS11 KWNS 130002
    SWOMCD
    SPC MCD 130002=20
    INZ000-MIZ000-ILZ000-130100-

    Mesoscale Discussion 1508
    NWS Storm Prediction Center Norman OK
    0702 PM CDT Wed Jul 12 2023

    Areas affected...Northeastern Illinois...Northern
    Illinois...Michigan

    Concerning...Tornado Watch 477...

    Valid 130002Z - 130100Z

    The severe weather threat for Tornado Watch 477 continues.

    SUMMARY...Tornado threat continues within WW477.

    DISCUSSION...Confirmed tornadoes were have occurred across northern
    Illinois in the last hour. Surface objective analysis indicates
    200-300 m2/s2 effective SRH near a lifting warm front located across
    northern Illinois near the Chicago metro. A low-level jet axis of
    30-35 kts extends across north Central Illinois and will gradually
    shift eastward across Lake Michigan northern Indiana/ Michigan
    through the next few hours. The threat area will likely also shift
    eastward through time as this occurs. A downstream watch may be
    needed in the next couple of hours.

    ..Thornton/Guyer.. 07/13/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!_yBDo02ZrWTrGaLWflR71gso5BtX-CNN-7gVSj778g2yQTwymHadcf2yO8PxRfl7LceAdRQsY= 3C6JIuemuA9ZKdeHZk$ for graphic product...

    ATTN...WFO...IWX...GRR...LOT...

    LAT...LON 42278729 42218694 42188653 42058611 41988594 41788581
    41608576 41438581 41268603 41208624 41188638 41208660
    41248693 41268707 41268718 41308759 41328781 41388803
    41508829 41708839 41878834 42008832 42118824 42228817
    42308808 42338796 42328769 42298741 42278729=20


    =3D =3D =3D
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  • From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thu Jul 13 00:08:22 2023
    ACUS11 KWNS 130008
    SWOMCD
    SPC MCD 130007 COR
    INZ000-MIZ000-ILZ000-130100-

    Mesoscale Discussion 1508
    NWS Storm Prediction Center Norman OK
    0707 PM CDT Wed Jul 12 2023

    Areas affected...Northeastern Illinois...Northern Indiana...Michigan

    Concerning...Tornado Watch 477...

    Valid 130007Z - 130100Z

    CORRECTED FOR AREAS AFFECTED

    The severe weather threat for Tornado Watch 477 continues.

    SUMMARY...Tornado threat continues within WW477.

    DISCUSSION...Confirmed tornadoes were have occurred across northern
    Illinois in the last hour. Surface objective analysis indicates
    200-300 m2/s2 effective SRH near a lifting warm front located across
    northern Illinois near the Chicago metro. A low-level jet axis of
    30-35 kts extends across north Central Illinois and will gradually
    shift eastward across Lake Michigan northern Indiana/Michigan
    through the next few hours. The threat area will likely also shift
    eastward through time as this occurs. A downstream watch may be
    needed in the next couple of hours.

    ..Thornton/Guyer.. 07/13/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!7g4piINc3xdGbfe-scP1oOV5DAEGAVYAmQJJwy9TV4_NypgPtNi5E6fapeo4dANDzc3tS8Yyv= GbRl62QpTEp6bzNHsw$ for graphic product...

    ATTN...WFO...IWX...GRR...LOT...

    LAT...LON 42278729 42218694 42188653 42058611 41988594 41788581
    41608576 41438581 41268603 41208624 41188638 41208660
    41248693 41268707 41268718 41308759 41328781 41388803
    41508829 41708839 41878834 42008832 42118824 42228817
    42308808 42338796 42328769 42298741 42278729=20


    =3D =3D =3D
    To unsubscribe from WX-STORM and you already have a login, go to https://lists.illinois.edu and use the "Unsubscribe" link. Otherwise email Chris Novy at cnovy@cox.net and ask to be removed from WX-STORM.

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