1. Forum
  2. FidoNet
  3. WEATHER

  • MESO: Mesoscale Discussion 0226

    From COD Weather Processor@1:2320/107 to wx-storm@lists.illinois.edu on Thu Mar 12 02:40:07 2026
    ACUS11 KWNS 120240
    SWOMCD
    SPC MCD 120239=20
    ALZ000-MSZ000-LAZ000-120445-

    Mesoscale Discussion 0226
    NWS Storm Prediction Center Norman OK
    0939 PM CDT Wed Mar 11 2026

    Areas affected...parts of southeastern Louisiana and Mississippi and southwestern Alabama

    Concerning...Tornado Watch 48...

    Valid 120239Z - 120445Z

    The severe weather threat for Tornado Watch 48 continues.

    SUMMARY...Occasional brief tornadoes and locally damaging wind gusts
    will remain possible with a cluster of storms overspreading the
    region through midnight-2 AM CDT.

    DISCUSSION...The organized convective system, with at least a couple
    of embedded meso beta scale lower/mid-tropospheric cyclonic
    circulations and occasionally intensifying meso gamma scale cyclonic circulations closer to the surface, is generally being maintained.=20
    This is likely being supported by inflow of boundary-layer based
    CAPE up to around 1000 J/kg, within a narrow corridor of better
    low-level moisture return roughly aligned with a 30-35 kt
    southwesterly 850 mb jet nosing inland of the Gulf coast.=20=20=20

    It appears that this corridor of destabilization and enlarged
    low-level hodographs will persist and develop east-northeastward
    across southeastern Mississippi through southwestern Alabama into
    the 05-07Z time frame, with the eastward progression of the
    mid-level short wave across Louisiana. As long as this continues,
    occasional brief tornadoes and locally damaging wind gusts will
    remain possible.

    ..Kerr.. 03/12/2026

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!5rNrGMNe_ejS_VzvNO9uPAWP7U3D9AFM1WUHvU_QudeZ147tzd10WPuUejOasYhXUKGp1R_5a= Q0yVlzHoUZcZXUp0Mc$ for graphic product...

    ATTN...WFO...BMX...MOB...JAN...LIX...

    LAT...LON 31048942 31798881 32418644 30388840 29389041 29749105
    30478989 31048942=20

    MOST PROBABLE PEAK TORNADO INTENSITY...85-115 MPH
    MOST PROBABLE PEAK WIND GUST...55-70 MPH
    MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN


    =3D =3D =3D
    To unsubscribe from WX-STORM and you already have a login, go to https://lists.illinois.edu and use the "Unsubscribe" link. Otherwise email Chris Novy at cnovy@cox.net and ask to be removed from WX-STORM.

    --- SBBSecho 3.28-Linux
    * Origin: Capitol City Online (1:2320/107)