Subj : MESO: Mesoscale Discussion 1819
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Thu Aug 03 2023 12:17:08

ACUS11 KWNS 031217
SWOMCD
SPC MCD 031216=20
ALZ000-TNZ000-KYZ000-MSZ000-ILZ000-MOZ000-ARZ000-031445-

Mesoscale Discussion 1819
NWS Storm Prediction Center Norman OK
0716 AM CDT Thu Aug 03 2023

Areas affected...Far Southeast Missouri...Far Western
Kentucky...Western and Middle Tennessee...Northern Alabama...Far
Northeast Mississippi

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

Valid 031216Z - 031445Z

Probability of Watch Issuance...40 percent

SUMMARY...The wind-damage threat could increase over the next few
hours over western Tennessee, far northeast Mississippi and northern
Alabama. Convective trends will be monitored. If intensification
occurs, then weather watch issuance may become necessary.

DISCUSSION...The latest high-resolution radar imagery from Memphis
shows an MCS located from western Tennessee northward into southeast
Missouri and southern Illinois. This cluster of strong convection is
located along the eastern edge of a pocket of moderate instability.
The instability, combined with large-scale ascent associated with a
shortwave trough over the mid Mississippi Valley (evident on
water-vapor imagery), will provide support for continued convective
development over the next few hours. The MCS is forecast to track
southeastward across west-central Tennessee into far northeast
Mississippi and northern Alabama. As surface temperatures warm and
instability increases, the severe threat associated with the MCS
could strengthen. Wind damage would be possible, especially along
the leading edge of the faster moving bowing line segments.

...Broyles/Edwards.. 08/03/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!-2bWX2RY3uI3IsN158f3F6seQDJBX9UOp2jtShWQ1JnaGzUjvjtCLz8AB7100WzEbfuWbZAh6=
6hlBPNmQcwRf35umJs$  for graphic product...

ATTN...WFO...OHX...BMX...HUN...PAH...MEG...LSX...

LAT...LON   36799020 35918973 34718893 34108844 33688764 33708703
            33938647 34428613 35068612 35528661 36288755 37048853
            37668953 37748983 37649022 37269037 36799020=20


=3D =3D =3D
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