• MESO: Mesoscale Discussion 0303

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Mon Mar 25 23:25:17 2024
    ACUS11 KWNS 252325
    SWOMCD
    SPC MCD 252324=20
    MSZ000-LAZ000-260130-

    Mesoscale Discussion 0303
    NWS Storm Prediction Center Norman OK
    0624 PM CDT Mon Mar 25 2024

    Areas affected...Eastern Louisiana...Southwest and West-central
    Mississippi

    Concerning...Tornado Watch 61...

    Valid 252324Z - 260130Z

    The severe weather threat for Tornado Watch 61 continues.

    SUMMARY...The severe threat across the lower Mississippi Valley is
    expected to gradually increase over the next few hours. Wind damage,
    tornadoes and isolated large hail will be possible. New weather
    watch issuance will likely be needed to the east of the current
    watch.

    DISCUSSION...High-resolution radar imagery from Jackson, MS and Fort
    Polk, LA currently show a line of strong thunderstorms located
    across central and northeastern Louisiana. A weakly unstable, but
    moist airmass is present ahead of the line across much of the lower
    Mississippi Valley, where surface dewpoints in the mid to upper 60s
    F. On a broader scale, water vapor imagery shows a 80 to 100 knot
    mid-level jet moving through south-central Texas. As this feature
    ejects northeastward this evening, the mass response should be
    maintained or may increase across the lower Mississippi Valley.
    This, combined with strong deep-layer shear will likely create an
    environment supportive of severe storms. Recent trends suggest that
    the line has become somewhat more organized over the last hour. The
    threat for wind damage, tornadoes and isolated large hail will be
    possible, especially with cells that are more likely surface-based
    to the east of the ongoing line.

    ..Broyles.. 03/25/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!5tP9_m1s51Q0RXWootpChU7nm6ZVunia_9dMhXI3r160ssdHQwAt119bZ3wPOt6L6Ep8dCYqI= DazoTkjyJjCmBFAe88$ for graphic product...

    ATTN...WFO...JAN...LIX...LCH...SHV...

    LAT...LON 31759222 31179274 30679278 30299222 30289120 30639041
    31248983 31998925 32688918 33068950 33198993 33209053
    32989109 32249183 31759222=20


    =3D =3D =3D
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