Subj : MESO: Mesoscale Discussion 1668
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Jul 21 2023 20:23:51

ACUS11 KWNS 212023
SWOMCD
SPC MCD 212023=20
GAZ000-ALZ000-MSZ000-212230-

Mesoscale Discussion 1668
NWS Storm Prediction Center Norman OK
0323 PM CDT Fri Jul 21 2023

Areas affected...East-Central Mississippi...Central Alabama...and
West-Central Georgia

Concerning...Severe potential...Watch possible=20

Valid 212023Z - 212230Z

Probability of Watch Issuance...60 percent

SUMMARY...Severe threat increasing. A watch may be needed in the
next couple of hours.

DISCUSSION...Convective development has been ongoing across portions
of eastern Mississippi, central Alabama, and western Georgia.
Daytime heating and dew points in the mid to upper 70s have led to
MLCAPE around 2500-3000 J/kg. Initial cell development will be
capable of damaging downburst winds given weak shear profiles and
the very hot and unstable air-mass. A line of storms was ongoing
across northern Mississippi/southern west Tennessee. This line has
produced wind damage and gusts as high as 50-55 mph. It will
continue eastward with potential for the southern flank of this line
to effect the aforementioned region later this afternoon. A watch
may be needed in the next couple of hours.

...Thornton/Hart.. 07/21/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!9cuXognvxk7XySL_2uUKGexX51o-fn3N0XOE4PG0sCcctS3E-ZFlUyAHOlF5Ut7N_C6mjd-Ru=
Vkqzd-5MbEktO4rt5E$  for graphic product...

ATTN...WFO...FFC...BMX...HUN...MEG...JAN...

LAT...LON   33878877 34038857 34168823 34188754 34238681 34168611
            34188565 34168525 33978485 33738479 33508497 33298514
            33188525 33108543 32998578 32948604 32898625 32878651
            32908692 32908703 32938733 32968757 33058782 33138799
            33188813 33258829 33328839 33428848 33558855 33688863
            33818876 33878877=20


=3D =3D =3D
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