• MESO: Mesoscale Discussion 0459

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thu Apr 29 00:02:04 2021
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    ACUS11 KWNS 290001
    SPC MCD 290001=20

    Mesoscale Discussion 0459
    NWS Storm Prediction Center Norman OK
    0701 PM CDT Wed Apr 28 2021

    Areas affected...South-central Texas

    Concerning...Tornado Watch 120...

    Valid 290001Z - 290130Z

    The severe weather threat for Tornado Watch 120 continues.

    SUMMARY...A threat for very large hail, wind damage and possibly a
    tornado will move eastward into the San Antonio Metro around 8 pm

    DISCUSSION...The latest radar shows a cluster of severe storms
    located about 60 statute miles to the west of San Antonio. Ahead of
    these storms, the RAP is analying a pocket of strong instability
    with MLCAPE near 4500 J/kg and 0-6 km shear near 50 kt. This
    environment will be very favorable for supercells with large hail.
    Hailstones of greater than 3 inches in diameter will be possible
    with the stronger updrafts. Wind gusts exceeding 65 knots may also
    occur, with the possibility of wind driven hail.

    ..Broyles/Guyer.. 04/29/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!qa0HV0SsMW2RMPKq15NCERMGrxX96UmZSOKQJS5r3QRO8kqtbvCzybdB_1PVZ5PgFI4kBjn-$=
    for graphic product...


    LAT...LON 29229768 29109871 29309934 29849916 30159786 30109717
    29539710 29229768=20

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