Subj : MESO: Mesoscale Discussion 0827
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat May 20 2023 02:17:49

ACUS11 KWNS 200217
SWOMCD
SPC MCD 200217=20
TXZ000-NMZ000-200315-

Mesoscale Discussion 0827
NWS Storm Prediction Center Norman OK
0917 PM CDT Fri May 19 2023

Areas affected...portions of southwest into central Texas

Concerning...Severe Thunderstorm Watch 229...

Valid 200217Z - 200315Z

The severe weather threat for Severe Thunderstorm Watch 229
continues.

SUMMARY...The severe threat continues across Severe Thunderstorm
Watch 229, and the threat may persist beyond 03Z, requiring a local
watch extension in time. Severe hail/wind will be the main hazards.

DISCUSSION...Multiple multicellular clusters and transient
supercells persist from the NM/TX border into central TX. Some of
these storms are likely producing severe hail, as indicated by MRMS
mosaic MESH data. While many storms have produced outflow boundaries
and have overturned the airmass in several locales, 1000-2000 J/kg
MUCAPE still exists ahead of the cold front amid 30-45 kts of
effective bulk shear. Strong to occasionally severe storms should
persist for a few more hours, producing severe hail and perhaps a
few severe gusts. Since Severe Thunderstorm Watch 229 expires at
03Z, a local extension in time for the watch may be needed where the
stronger storms persist.

...Squitieri/Guyer.. 05/20/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!66DbVuEjBjxJoB3rReN5bUeP2UfJjVlT-MDQ29BpuWS_tuV5Fnvbj47Xdjv_aRTULtGZGQSyU=
LBUZSwiaDgn1ambiVM$  for graphic product...

ATTN...WFO...FWD...EWX...SJT...MAF...

LAT...LON   32620314 32499996 31939894 31399848 30929821 30579823
            30259845 30259926 30430046 30820167 31200259 31500306
            31820333 32620314=20


=3D =3D =3D
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