• MESO: Mesoscale Discussion 0172

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wed Feb 28 08:01:47 2024
    ACUS11 KWNS 280801
    SWOMCD
    SPC MCD 280801=20
    OHZ000-KYZ000-INZ000-281000-

    Mesoscale Discussion 0172
    NWS Storm Prediction Center Norman OK
    0201 AM CST Wed Feb 28 2024

    Areas affected...Southern Indiana...Southwest Ohio...Northern
    Kentucky

    Concerning...Tornado Watch 27...

    Valid 280801Z - 281000Z

    The severe weather threat for Tornado Watch 27 continues.

    SUMMARY...A tornado threat is expected to continue across WW 27 for
    a few more hours. Isolated large hail and wind damage will also be
    possible.

    DISCUSSION...The latest high-resolution radar imagery shows a couple
    strong to severe short line segments over southern Indiana. This
    convection is located along a corridor of instability, where the RAP
    is estimating MLCAPE in the 500 to 1000 J/kg range. Water vapor
    imagery and 500 mb analysis from the RAP have a shortwave trough and
    fast moving vorticity max located in southwest Indiana. This feature
    will continue to enhance lift and provide support for continued
    strong thunderstorm development early this morning. The latest
    WSR-88D VWP from Indianapolis has 0-6 km shear near 55 knots
    suggesting that supercells with large hail and wind damage will be
    possible. In addition, a 60 to 70 knot jet is analyzed at 850 mb
    centered over far northern Kentucky which will continue to provide
    strong low-level shear sufficient for an isolated tornado threat.
    Furthermore, an increase in the severe threat could occur over the
    next few hours in northern Kentucky as cells increase in coverage
    within and just to the south of WW 27.

    ..Broyles.. 02/28/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!-JaQFZYp022RWiL9Dxtc4cRKngY2wYJAzaNMRkPeKbY_vWyr9YEFDwkkFA7I8s5iATPX3pljJ= -GVelG8RY4FRgVIS4M$ for graphic product...

    ATTN...WFO...JKL...ILN...LMK...IND...PAH...

    LAT...LON 38318748 38748719 39278649 39768569 40188437 39928382
    39188372 38458371 37938413 37788519 37548639 37638711
    37868745 38318748=20


    =3D =3D =3D
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