Subj : MESO: Mesoscale Discussion 0540
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sun Apr 16 2023 02:31:35

ACUS11 KWNS 160231
SWOMCD
SPC MCD 160231=20
TNZ000-MSZ000-MOZ000-ARZ000-LAZ000-TXZ000-160330-

Mesoscale Discussion 0540
NWS Storm Prediction Center Norman OK
0931 PM CDT Sat Apr 15 2023

Areas affected...western Tennessee...southeast
Arkansas...northwestern Mississippi...northern and western
Louisiana...far eastern Texas

Concerning...Severe Thunderstorm Watch 140...141...142...

Valid 160231Z - 160330Z

The severe weather threat for Severe Thunderstorm Watch 140, 141,
142 continues.

SUMMARY...The severe threat continues across the remainder of Severe
Thunderstorm Watches 140-142. Large hail and damaging gusts are
still the main threats. The severe threat should gradually wane into
the evening with nocturnal stabilization.

DISCUSSION...Regional and MRMS mosaic radar imagery depicts several
transient supercells, multicells, and linear segments in progress
across the lower MS Valley to the TX coast. These storms persist
amid residual boundary-layer-based buoyancy, with MRMS MESH data
suggesting that severe hail is falling from a sizeable portion of
the ongoing storms. Given the many cellular (cold pool) mergers that
have taken place, occasional damaging gusts are also possible for at
least a couple more hours. However, boundary-layer stabilization
should support a gradual decline in the severe potential deeper into
the night.

...Squitieri.. 04/16/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!7K0wF9Sa0TTtdl4Rmn2F2t3SrCfDAdVF4vG1pqUd_QNn0juv8N8ghTpkQ3ASP2J8ETSlizlJ1=
VfBauSiDz1bhb3rKxU$  for graphic product...

ATTN...WFO...MEG...JAN...LIX...LZK...LCH...SHV...HGX...CRP...
EWX...

LAT...LON   30129257 29639383 28969563 28439715 28459807 28759840
            28959821 29329664 29549602 30089532 31619351 33189233
            34169187 35109101 35519010 36248961 36288915 36058851
            35358835 34098881 32719002 31469115 30129257=20


=3D =3D =3D
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