Subj : MESO: Mesoscale Discussion 1057
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Thu Jun 15 2023 00:11:06

ACUS11 KWNS 150010
SWOMCD
SPC MCD 150010=20
MSZ000-ARZ000-LAZ000-150115-

Mesoscale Discussion 1057
NWS Storm Prediction Center Norman OK
0710 PM CDT Wed Jun 14 2023

Areas affected...Southeast Arkansas...Mississippi...Northeast
Louisiana

Concerning...Severe Thunderstorm Watch 293...

Valid 150010Z - 150115Z

The severe weather threat for Severe Thunderstorm Watch 293
continues.

SUMMARY...New Severe Thunderstorm Watch will be issued by 01z to
account for ww293 expiring.

DISCUSSION...Water-vapor imagery depicts a mid-level short-wave
trough over southern MO early this evening. Seasonally strong
westerly 500mb flow currently extends across the southern Plains
into the Gulf States with 50-60kt common. Isolated supercells
persist immediately ahead of this feature over eastern AR. This
activity should propagate southeast along the western fringe of
convectively overturned air into central MS later this evening.
Given the strong westerly shear, and buoyancy available, new severe
thunderstorm watch is warranted by 01z.

...Darrow.. 06/15/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!8p7LplyMaO5QblwQa9WN3gCRI7z07xFFvrfnBjepdBX6CkSm-AmzOxF7jpIyilpcV5JAftVt4=
WIM7gpjkxFSWe4POMY$  for graphic product...

ATTN...WFO...MEG...JAN...LZK...

LAT...LON   34549041 33048874 31258930 31599174 33599199 34549041=20


=3D =3D =3D
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