ACUS11 KWNS 290337
SWOMCD
SPC MCD 290336=20
LAZ000-TXZ000-290530-

Mesoscale Discussion 0568
NWS Storm Prediction Center Norman OK
1036 PM CDT Sun Apr 28 2024

Areas affected...Southeast TX...Western LA

Concerning...Tornado Watch 160...

Valid 290336Z - 290530Z

The severe weather threat for Tornado Watch 160 continues.

SUMMARY...Strong/severe thunderstorms will persist across portions
of southeast TX into western LA.

DISCUSSION...Sustained low-level warm advection appears largely
responsible for ongoing corridor of strong/severe convection that
extends from Grimes County TX-De Soto Parish LA. Western flank of
this corridor is an extension of a larger MCS that has advanced into
southern AR, arcing southwest into southeast TX. TX portion of this
MCS will likely remain quasi stationary due to LLJ that has yet to
shift downstream. While environmental shear supports sustained,
rotating updrafts, the primary storm mode will remain more complex
with multiple storm mergers and clusters than supercells. Very heavy
rain will be noted along this corridor, though a brief tornado
and/or locally damaging winds remain possible.

..Darrow.. 04/29/2024

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!86pL_-wzClc5HtnWrPAFRaEYu-i142uggdVs_iT7pT9CqXwb8TzyqKqIB9DFAAvIVkUq3uDN_= mQ9u5NCIpm7rHZuWcc$ for graphic product...

ATTN...WFO...LCH...SHV...HGX...

LAT...LON 30779596 32049323 31359299 30209569 30779596=20


=3D =3D =3D
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