Subj : MESO: Mesoscale Discussion 1137
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Jun 17 2023 23:18:42

ACUS11 KWNS 172318
SWOMCD
SPC MCD 172318=20
FLZ000-GAZ000-ALZ000-MSZ000-LAZ000-180115-

Mesoscale Discussion 1137
NWS Storm Prediction Center Norman OK
0618 PM CDT Sat Jun 17 2023

Areas affected...portions of the Gulf Coast from LA to FL

Concerning...Severe Thunderstorm Watch 323...

Valid 172318Z - 180115Z

The severe weather threat for Severe Thunderstorm Watch 323
continues.

SUMMARY...The severe-weather threat continues for the next couple of
hours across the Gulf Coast from LA to FL. Damaging wind gusts and
large hail will be the primary threats.

DISCUSSION...The first round of scattered, severe thunderstorms are
currently heading offshore across portions of the Gulf Coast from
southeast LA through the FL Panhandle. These storms have produced a
plethora of damaging wind gusts and hail up to 1.75 inches in
diameter. Temperature deficits in the wake of the storms are around
20 F, yielding substantial inhibition primarily behind the main
convective cores. A few strong thunderstorms are ongoing in southern
MS/AL behind the leading round of storms along the coast. These
sustained storms have at least transient supercell characteristics
and pose a threat for local damaging winds and hail. The overall
threat from this "second" round of storms might be lower due to the
overturned air in the wake of earlier convection. However, some
localized recovery has occurred in less-cloudy portions of southern
MS/AL (e.g., recent warming temperatures at KGZH). This supports a
continued threat for local damaging wind gusts and hail across WW323
for the next couple of hours.

...Flournoy.. 06/17/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!_4oSeUMSxyB0_6dqHTpbh40fgm9vD1hrqATYAixbfBIT23pwhhn9sj-LzuONED7y0FRNbmQjl=
czubGA2PuKblSPz3yA$  for graphic product...

ATTN...WFO...TAE...BMX...MOB...JAN...LIX...

LAT...LON   30158936 30239059 30699100 31429111 31839045 32148895
            32098794 31698683 31048482 30658433 30158458 30158567
            30138794 30158936=20


=3D =3D =3D
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