• MESO: Mesoscale Discussion 1853

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sat Aug 5 23:50:05 2023
    ACUS11 KWNS 052349
    SWOMCD
    SPC MCD 052349=20
    INZ000-060145-

    Mesoscale Discussion 1853
    NWS Storm Prediction Center Norman OK
    0649 PM CDT Sat Aug 05 2023

    Areas affected...Central Indiana

    Concerning...Tornado Watch 592...

    Valid 052349Z - 060145Z

    The severe weather threat for Tornado Watch 592 continues.

    SUMMARY...The threat for a tornado or two continues across central
    Indiana where the buoyancy/shear parameter space remains favorable.

    DISCUSSION...Thunderstorms continue to develop along a diffuse warm
    front and trailing surface trough across central IN per recent radar
    and surface analyses. Much of this activity has struggled to
    maintain intensity, possibly due to a combination of meager buoyancy
    profiles per modified RAP forecast soundings (MLCAPE at or below
    1000 J/kg) and destructive storm interactions. However, the KIND VWP
    continues to sample 0-1 km SRH around 100-150 m2/s2 from within the
    open warm sector. This matches well with recent forecast soundings
    and mesoanalyses, which depict an STP bullseye of 0.5 over central
    IN. Although not a high-end environment, this is still sufficient
    for a tornado or two given semi-discrete storm modes along the
    surface trough and along the warm front. Therefore the tornado
    threat is expected to continue for the next few hours.

    ..Moore.. 08/05/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!5_whhsWBI_Kbp3sTYWmJcBvvhQR5PiTQfUlWSCNjkdumSVSLKPMXRLln6iti223ZunHblGaD3= ZYfocd68b1_ATaSa4M$ for graphic product...

    ATTN...WFO...IWX...IND...

    LAT...LON 39338734 40408660 40648618 40638560 40488533 40158525
    39568552 39268586 39108624 39018670 39028705 39038724
    39128742 39258744 39338734=20


    =3D =3D =3D
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