Subj : MESO: Mesoscale Discussion 1447
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Thu Jun 26 2025 00:09:47

ACUS11 KWNS 260008
SWOMCD
SPC MCD 260007=20
SCZ000-GAZ000-260200-

Mesoscale Discussion 1447
NWS Storm Prediction Center Norman OK
0707 PM CDT Wed Jun 25 2025

Areas affected...South Carolina into far eastern Georgia

Concerning...Severe Thunderstorm Watch 459...

Valid 260007Z - 260200Z

The severe weather threat for Severe Thunderstorm Watch 459
continues.

SUMMARY...An loosely organized MCS will continue to pose a damaging
wind threat for the next several hours into southern South Carolina
and far eastern Georgia.

DISCUSSION...Regional radar imagery has shown an uptick in
convection as two clusters begin to merge across central SC. The
confluence/merging zone of the two outflow boundaries will locally
enhance low-level ascent, and will likely result in a corridor of
very strong convection over the next hour or so. Correspondingly,
there will likely be a downstream corridor where severe/damaging
wind gusts and/or surging outflow will be more likely owing to
enhanced water-loading from the stronger convection. Away from this
corridor, damaging wind gusts will remain likely as the cold-pool
driven MCS continues to propagate to the south/southwest. Assessment
of latest surface observations and high-res guidance suggests that
the MCS will likely propagate along and east of a weak surface
confluence zone/buoyancy gradient into eastern GA over the next 2-3
hours.

...Moore.. 06/26/2025

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!5AjE2lOf7No9TZWOne4OV-TuLTBVC10lB4AYQTezJiQ7o_RtKwN4iQ1rHHsPSSimzFfOh7P2a=
X3TI-BT1aKu6rfp2NM$  for graphic product...

ATTN...WFO...ILM...CHS...CAE...GSP...FFC...

LAT...LON   33758244 34508175 34688126 34658082 34528027 34287982
            33727932 33497915 33227920 32947953 32418036 32348109
            32508181 32688221 33018258 33278271 33558264 33758244=20

MOST PROBABLE PEAK WIND GUST...55-70 MPH
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN


=3D =3D =3D
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