Subj : MESO: Mesoscale Discussion 2279
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Tue Nov 21 2023 02:48:21

ACUS11 KWNS 210248
SWOMCD
SPC MCD 210247=20
ALZ000-MSZ000-LAZ000-210445-

Mesoscale Discussion 2279
NWS Storm Prediction Center Norman OK
0847 PM CST Mon Nov 20 2023

Areas affected...southern Mississippi into southwest Alabama

Concerning...Tornado Watch 712...

Valid 210247Z - 210445Z

The severe weather threat for Tornado Watch 712 continues.

SUMMARY...A tornado or two remains possible this evening over
southern Mississippi, with a few damaging gusts possible as well.
The severe risk may eventually spread into parts of southwest
Alabama later tonight.

DISCUSSION...A broken line of storms including a few supercells
currently stretch east-central MS southwestward into southwest LA.
Deep-layer shear remain favorable to sustain cells this evening,
with effective SRH maximized over central MS currently.=20

Persistent southerly winds in the lower 2 km will continue to aid
moisture advection, with upper 60s F dewpoints spreading north
across southwest AL ahead of the ongoing MS storms. A somewhat
stable air mass exists east of a batch of warm advection showers now
forming over southwest AL, and this general zone may be as far east
as the main severe risk gets tonight.=20

As cells continue east across MS and approach the AL state line,
additional watches may be considered.

...Jewell.. 11/21/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!6GnlU4H91BTgKb3ZqNQdqtauSRq-zM2vC9zlsrL18w-LZJFB7H-cF_e5a9T1tb0tmxH6zk_X-=
O6QdikAQx7m6tZT8B4$  for graphic product...

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

LAT...LON   31389080 31788989 32128918 32448848 32428803 32258787
            31668765 31318778 31048803 30738909 30669006 30669082
            30809105 30979112 31139108 31389080=20


=3D =3D =3D
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