• MESO: Mesoscale Discussion 0493

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Mon May 3 18:43:34 2021
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    ACUS11 KWNS 031843
    SWOMCD
    SPC MCD 031842=20
    SCZ000-031945-

    Mesoscale Discussion 0493
    NWS Storm Prediction Center Norman OK
    0142 PM CDT Mon May 03 2021

    Areas affected...northern South Carolina

    Concerning...Tornado Watch 129...

    Valid 031842Z - 031945Z

    The severe weather threat for Tornado Watch 129 continues.

    SUMMARY...Greatest short-term threat for tornadoes is expected to
    remain across northern South Carolina through.

    DISCUSSION...A couple of supercells with persistent strong low-level mesocyclones and history of tornadoes have crossed into western
    South Carolina. These storms are moving east near 30 kt along a
    stalled boundary. Effective bulk shear around 45 kt remains
    favorable for supercells. Tendency has been for near surface winds
    to veer to southwesterly with time which has reduced the size of 0-2
    km hodographs in the moist warm sector. This suggests greatest
    near-term tornado threat will probably remain with storms moving
    east and interacting with the boundary where augmented low-level shear/vorticity resides.

    ..Dial.. 05/03/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!rtUJsv6yQarEiWvzD_5sGyh4fJt-bhTw2dGO84jZC614uo-k9Fv-_1a25_f_3qtNGIIG3cMb$=
    for graphic product...

    ATTN...WFO...CAE...GSP...

    LAT...LON 34378267 34608200 34818150 34498123 34238151 33998234
    34378267=20



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