Subj : MESO: Mesoscale Discussion 0586
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Apr 21 2023 03:38:47

ACUS11 KWNS 210338
SWOMCD
SPC MCD 210337=20
LAZ000-TXZ000-210500-

Mesoscale Discussion 0586
NWS Storm Prediction Center Norman OK
1037 PM CDT Thu Apr 20 2023

Areas affected...Southeast Texas...Western Louisiana

Concerning...Severe Thunderstorm Watch 156...

Valid 210337Z - 210500Z

The severe weather threat for Severe Thunderstorm Watch 156
continues.

SUMMARY...Hail/wind threat continues with convection late this
evening.

DISCUSSION...Leading edge of a slowly expanding MCS is progressing
across northern portions of ww156. MCV has developed within this
cluster and is currently just east of Lovelady along the
Houston/Trinity County line moving east. Several embedded line
segments and supercells will propagate southeast as this complex of
storms advances toward the Sabine River.

Greatest buoyancy continues across south-central TX into deep south
TX where MLCAPE values are in excess of 2000 J/kg. While this area
is experiencing increasing inhibition, frontal convergence will
likely continue to aid scattered convection along the wind shift as
it advances south. Hail/wind threat continues.

...Darrow.. 04/21/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!7OQwczKEUpwzWugPVS2iNq_bapR-s70yafEt6NzV6ir9Ns_yvpiVZ3zAa69L8M6a1CBl1DQ--=
ElbAFH3mIJQoFf158A$  for graphic product...

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

LAT...LON   29629733 32129374 30689260 28199621 29629733=20


=3D =3D =3D
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