• MESO: Mesoscale Discussion 0660

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Fri May 2 22:35:44 2025
    ACUS11 KWNS 022235
    SWOMCD
    SPC MCD 022235=20
    LAZ000-TXZ000-030030-

    Mesoscale Discussion 0660
    NWS Storm Prediction Center Norman OK
    0535 PM CDT Fri May 02 2025

    Areas affected...mid/upper Texas coastal plain into southwestern
    Louisiana

    Concerning...Severe Thunderstorm Watch 211...212...

    Valid 022235Z - 030030Z

    The severe weather threat for Severe Thunderstorm Watch 211, 212
    continues.

    SUMMARY...A renewed intensification of thunderstorms, after some
    weakening, still appears possible into early evening, accompanied by
    a risk for strong to severe wind gusts as activity advances
    southeastward toward coastal areas.

    DISCUSSION...Vigorous convective development along/ahead of the
    slowly southward advancing cold front continues to merge with
    convection developing along outflow surging northwestward across the
    coastal plain, now roughly along a corridor extending from near
    Lufkin into the San Antonio vicinity. Substantive cooling of cloud
    tops has been occurring, but unstable inflow into ongoing convection
    is becoming at least temporarily disrupted.

    The boundary layer across the mid/upper coastal plain remains
    seasonably moist and potential unstable. Beneath a difluent upper
    regime, and 35-45+ kt westerly mid-level flow, increasing
    southeasterly inflow of this airmass into the updrafts of the
    consolidating convection might still support renewed convective
    intensification within the next few hours. At the same time,
    entrainment of initially dry mid-level air may contribute to further strengthening of downdrafts and increasing potential for strong to
    severe surface gusts, as convection begins to propagate toward
    coastal areas. Already several gusts approaching severe limits have
    recently been observed along the corridor of consolidating
    convection.

    ..Kerr.. 05/02/2025

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!8tNcl8VdkwK2g5lGPskZWzHk8gYn0R807X3E1Eh63X26n77n4YqZdyIzD71CxFEjAFwCRGXqb= Q1HRadoHH8rSp6pTkk$ for graphic product...

    ATTN...WFO...LCH...SHV...HGX...CRP...EWX...

    LAT...LON 29989808 30699650 31459494 31739397 31079258 29729389
    29049522 28559744 29029851 29989808=20

    MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH
    MOST PROBABLE PEAK WIND GUST...55-70 MPH
    MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN


    =3D =3D =3D
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