ACUS11 KWNS 152305
SWOMCD
SPC MCD 152305=20
LAZ000-TXZ000-160100-

Mesoscale Discussion 0263
NWS Storm Prediction Center Norman OK
0605 PM CDT Fri Mar 15 2024

Areas affected...Southeast Texas...Southwest Louisiana

Concerning...Severe Thunderstorm Watch 54...

Valid 152305Z - 160100Z

The severe weather threat for Severe Thunderstorm Watch 54
continues.

SUMMARY...A severe threat is expected to continue across parts of
southeast Texas and far southwest Louisiana for a couple more hours.
Isolated large hail and wind damage will be the main threats. The
severe threat may spread eastward further into southwest Louisiana,
but is expected to be too marginal for additional weather watch
issuance.

DISCUSSION...The latest hi-resolution radar imagery from Houston
shows a cluster of strong thunderstorms near the Texas-Louisiana
state line, with additional more discrete storms to the southwest of
Houston. The storms are located along the eastern edge of a
moderately unstable airmass where the RAP has MLCAPE in the 1500 to
2500 J/kg range. In addition, the WSR-88D VWP at Houston and Lake
Charles have 0-6 km shear generally in the 55 to 65 knot range. This environment should support a severe threat for a couple more hours,
with a potential for wind damage and isolated large hail. On radar,
an outflow boundary is moving southward off the coast of southwest
Louisiana. The airmass behind the boundary is more stable. As the
stronger cells move eastward into this relatively weak instability
across southwest Louisiana, the severe threat is expected to become
marginal. For this reason, watch issuance is not planned to the east
of WW 54.

..Broyles.. 03/15/2024

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!8q_N7KBb_ST5UKH5fF_sa_Lt_P99GJNgfDQfNvv8ocuLwCye7bzSDENrJsUXWaDd7iXlJzMDR= dPSy5T6a2XUBMtGHwE$ for graphic product...

ATTN...WFO...LCH...HGX...EWX...

LAT...LON 30419530 30759385 30729304 30449271 30079276 29809298
29769337 29759408 29309496 28979547 28809597 28819640
29029669 29359686 29709673 30019629 30419530=20


=3D =3D =3D
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