Subj : MESO: Mesoscale Discussion 1141
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sun Jun 18 2023 01:18:13

ACUS11 KWNS 180118
SWOMCD
SPC MCD 180117 COR
ARZ000-TXZ000-OKZ000-180300-

Mesoscale Discussion 1141
NWS Storm Prediction Center Norman OK
0817 PM CDT Sat Jun 17 2023

Areas affected...Southern Oklahoma...North Texas...Far Southwest
Arkansas

Concerning...Severe Thunderstorm Watch 325...

Valid 180117Z - 180300Z

CORRECTED FOR GRAPHIC

The severe weather threat for Severe Thunderstorm Watch 325
continues.

SUMMARY...A severe threat is expected to develop across
south-central Oklahoma and north Texas over the next few hours.
Weather watch issuance will likely be needed by 03Z.

DISCUSSION...The latest high-resolution WSR-88D radar imagery from
Frederick, Oklahoma shows a cluster of strong to severe storms in
far southwest Oklahoma and northwest Texas. To the west of this
cluster, a band of large-scale ascent has been approaching northwest
Texas over the last couple of hours. In response, lift has become
increasingly favorable for convective development, with the cluster
of storms becoming more organized. In addition, low-level flow will
steadily increase across the Red River Valley as well. These factors
should result in a gradual increase in convective coverage, as an
MCS organizes and moves eastward across south-central Oklahoma and
north Texas. The stronger cells within this cluster will have a
potential for large hail and wind damage. The severe threat will
increase steadily likely necessitating watch issuance.

...Broyles.. 06/18/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!8kQKk52TYkhbi0Z5QjPDs-chSbrvjL__Tiz2oPINqoo8_QZSPVqE0yoSSEXq4nf8qdkVpL9Rv=
AwrXpYZgPEJrr_hVDE$  for graphic product...

ATTN...WFO...LZK...SHV...TSA...FWD...OUN...

LAT...LON   35269808 34939890 33999926 33359859 33329565 33419418
            33889371 34609410 35119592 35269808=20


=3D =3D =3D
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