Subj : MESO: Nws Weather Prediction Center College Park Md
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Aug 23 2025 16:27:31

AWUS01 KWNH 231627
FFGMPD
SCZ000-GAZ000-232025-

Mesoscale Precipitation Discussion 0982
NWS Weather Prediction Center College Park MD
1226 PM EDT Sat Aug 23 2025

Areas affected...far southern South Carolina, coastal areas of
Georgia

Concerning...Heavy rainfall...Flash flooding possible

Valid 231625Z - 232025Z

Summary...Heavy rainfall will continue to impact coastal areas
near Savannah, GA over the next 3 hours or so.  Flash flooding
remains possible, and could be locally enhanced by coastal
flooding/inundation.

Discussion...Although widespread convective overturning has
stabilized much of the state of South Carolina, a small/focused
area of instability resides across far southern portions of the
state and in/near the Savannah, GA area.  Weak low-level onshore
flow just north of a low has maintained ~1500 J/kg SBCAPE in that
area.  PW values approaching 2.4 inches are also maximized there.
The buoyancy/moisture combo is combining with weak steering flow
aloft to foster deep convection with slow storm motions and
1.5-2.5 inch/hr rain rates currently.

The heavy rainfall continues to migrate inland toward areas that
have experienced high tide earlier this morning and 3-9 inch
rainfall totals over the past 24 hours.  Wet soils and onshore
flow should continue to hinder runoff/drainage and - when combined
with heavy rainfall - may continue to pose flood/flash flood risk
over the next 2-4 hours (through 20Z/4p EDT).

Cook

....Please see https://urldefense.com/v3/__http://www.wpc.ncep.noaa.gov__;!!=
DZ3fjg!_UC_6F2jmHZTTzSvk22UUH3dyf-73ZfElHqEmsdA96Xt6LGDaoxt7ZeHReqjyolQH_3n=
ZWX8ZbuhPBFajMKMkGWMNFo$  for graphic product...

ATTN...WFO...CHS...JAX...

ATTN...RFC...ALR...NWC...

LAT...LON   32728052 32358055 31258117 31258178 31708196=20
            32368162=20

=3D =3D =3D
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