Flash Flood Warning 31, NWS Atlanta, GA

105 
WGUS72 KFFC 030437 RRB
FFSFFC

Flash Flood Statement
National Weather Service Peachtree City GA
1237 AM EDT Sun Aug 3 2025

GAC115-233-030447-
/O.EXP.KFFC.FF.W.0031.000000T0000Z-250803T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Floyd GA-Polk GA-
1237 AM EDT Sun Aug 3 2025

...FLASH FLOOD WARNING WILL EXPIRE AT 1245 AM EDT EARLY THIS MORNING 
FOR SOUTHWESTERN FLOYD AND NORTHWESTERN POLK COUNTIES...

Flood waters have receded. The heavy rain has ended. Flooding is no 
longer expected to pose a threat. Please continue to heed remaining 
road closures.

&&

LAT...LON 3408 8542 3411 8543 3416 8533 3404 8534
      3401 8541

$$

Area Forecast Discussion
National Weather Service Peachtree City GA
951 PM EDT Sat Aug 2 2025

...Evening Update...

.UPDATE...
Issued at 939 PM EDT Sat Aug 2 2025

The focus for the next few hours will be across northwest and far
western Georgia along the periphery of the wedge boundary. Nearly
stationary thunderstorms in this area are taking advantage of the
very moist airmass characterized by PWATs over 2" in this
corridor, leading to observed one hour rainfall totals locally
over 2" and three hour rainfall totals locally over 4". With very
light steering flow, any thunderstorms in this area will tend to
linger and bring localized flash flooding concerns. While the
relatively isolated nature of the heavy rainfall and flooding
potential will preclude a Flood Watch at this time, locations in
northwest/far west Georgia can expect the localized flash
flooding potential to be maximized over the next few hours.

RW

&&

.SHORT TERM...
(This evening through Sunday)
Issued at 322 PM EDT Sat Aug 2 2025

Key Messages:

- Growing concern for heavy rainfall and instances of flash
  flooding across portions of NW Georgia (terrain induced) and
  Central Georgia.

- Stronger thunderstorms may be capable of producing damaging
downburst winds 40 to 60 MPH across Central Georgia.

- 'Cool' below normal temperatures will stick around on Sunday with
forecast high temperatures in the 70s to low 80s.

There are many factors contributing to the forecast for today.
Overnight a 'wedge' front took up residence across much of northeast
Georgia (including the ATL metro) and is the reason for the blanket
of cloud cover and drizzle in those areas this morning. Outside of
the wedge a stationary boundary has set up over portions of Central
Georgia -- roughly Columbus to Macon and extending southeast. A
surface trough is also in place across far NW Georgia. It's along
and in the vicinity of these two boundaries (stationary boundary and
trough) that scattered to widespread showers and thunderstorms have
begun to develop. With strong westerly flow nearly parallel to the
stationary boundary and high PWs, storms are likely to be slow-
moving and/or develop over the same areas. Storms forming in NW GA
are likely to be enhanced by the terrain and a weak shortwave that
will be sliding across the region later this evening. While
temperatures are lower than in previous days, the airmass over our
area still remains quite moist with PWs ranging 1.8 to 2.2 inches
(per current SPC Mesoanalysis). These PWs combined with CAPE values
up 2000-3500 J/kg will allow for storms to be efficient rainfall
producers and could produce local rainfall rates of up to 2-3"/hour.
Thus, heavy rainfall and flash flooding is a growing concern for
both NW and Central GA as we head into the evening. In addition to
flooding, stronger thunderstorms may be capable of producing
damaging downburst winds up to 50 MPH, small hail, and frequent
lightning.

WPC has updated the latest Excessive Rainfall Outlook to include a
Slight Risk (Level 2 of 4) across NW Georgia down through Central
Georgia. This does not include the Atlanta Metro. A Marginal Risk
(Level 1 of 4) remains in place for roughly the same areas on Sunday
(tomorrow). Anticipate rainfall totals over the next 24 hours will
range from 1 to 3 inches with locally higher amounts up to 4 inches
in the locations previously mentioned. A Marginal Risk (Level 1 of
5) for severe storms remains in place across Central Georgia for
this afternoon.

For locations under the influence of the wedge, only rainfall is
expected through the remainder of the day. Isolated to widely
scattered rain showers and perhaps isolated thunderstorms look to
persist through the overnight hours. Clouds will once again fill
back in overnight and patchy fog will also be possible particularly
in areas that receive heavy rainfall this afternoon and evening.
Overnight lows will be in the 60s and forecast highs for Sunday will
range from the mid 70s to low 80s (Upper 60s to low 70s in NE
Georgia).

07

&&

.LONG TERM...
(Monday morning through next Friday)
Issued at 322 PM EDT Sat Aug 2 2025

Key Messages:

    - Elevated rainfall totals likely to lead to flooding issues
this week.

    - Below normal high temps to start the week due to increase
cloud cover and rainfall.

Discussion:

Flooding will be the main story for the long term as we grow
increasingly concerned in multiple days of rainfall that are likely
to lead to flooding concerns. The front has just about stalled out
over central Georgia near MCN and CSG and is expected to drift
further south potentially but overall stay in the central GA
vicinity near or south of the fall line. This along with the moist
airmass in place will lead to the focus in increased rainfall and
higher rainfall totals through mid week. To our west the trough will
also help funnel in moisture into the area. Forecasted PWATs are
expected to remain in the 2-2.2" range which is above the 90th
percentile and also reaching record daily maxes for this time of
year. Add in daytime heating resulting in convectively enhanced
precipitation, little to no shear and these slow moving storms will
be capable of dropping increased amounts of rainfall over short time
periods. Our current forecasted rainfall totals through mid week are
~4-6 inches over this central Georgia portion with amounts of 1-3
inches north of the front. The Euro has trended wetter while the GFS
a bit drier but overall even the 10th percentile is showing 1-3
inches. The higher end amount does seem to have become a little bit
more in the realm of possibility as opposed to yesterday but still
may be a little too high at close to 8-10 inches. Like yesterday
though, would not be surprised if an isolated area does receive close
to that 8 inch mark before mid week is over with the current setup.
Fortunately this area does have a sandy soils and thus a higher
flash flood guidance at 3-4 inches needed over 3 hours and this
rainfall seems to be more spread-out so although we are expecting
flooding concerns, not confident in widespread issues quite yet.

Outside of the flooding potential, the wedge looks to hang on into
the beginning of the week resulting in highs on Monday in the low to
mid 70s. This will be well below normal for this time of year at 15
degrees below normal. By mid to late week we should see the trough
begin to swing eastward resulting in a return to a more normal
summer pattern with scattered thunderstorms and increasing
temperatures (although still staying below 90 for now).

Hernandez

&&

.AVIATION...
(00Z TAFS)
Issued at 724 PM EDT Sat Aug 2 2025

Current MVFR cigs prevail at all sites with sct SHRA and iso TSRA
largely confined to CSG/MCN at this time. Sct SHRA will remain
possible Sunday morning at all sites with patchy -DZ also likely.
Cigs will deteriorate to IFR by 05-06Z with cigs as low as LIFR
possible, especially after 09-10Z. Slow improvement toward MVFR is
likely to hold off until 17-19Z with sct -SHRA remaining possible
through the period. Iso -TSRA is most probable at CSG/MCN. Winds
will remain E with speeds 10-15 kts.

//ATL Confidence...00Z Update...
Medium confidence on cig timing and SHRA timing.
High confidence on winds.

RW

&&

.PRELIMINARY POINT TEMPS/POPS...
Athens          73  79  66  74 /  50  60  60  70
Atlanta         74  82  68  73 /  50  60  60  60
Blairsville     68  78  63  69 /  40  70  60  60
Cartersville    72  85  68  76 /  50  70  70  60
Columbus        76  91  72  80 /  40  80  80  80
Gainesville     72  77  66  72 /  50  50  60  60
Macon           71  88  69  77 /  50  80  70  70
Rome            71  85  68  77 /  40  70  80  60
Peachtree City  72  84  68  74 /  40  70  70  60
Vidalia         76  90  71  78 /  40  70  70  80

&&

.FFC WATCHES/WARNINGS/ADVISORIES...
None.
&&

SHORT TERM...07
LONG TERM....Hernandez
AVIATION...RW

Hazardous Weather Outlook
National Weather Service Peachtree City GA
929 PM EDT Sat Aug 2 2025

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-040130-
Baldwin-Banks-Barrow-Bartow-Bibb-Bleckley-Butts-Carroll-Catoosa-
Chattahoochee-Chattooga-Cherokee-Clarke-Clayton-Cobb-Coweta-
Crawford-Crisp-Dade-Dawson-DeKalb-Dodge-Dooly-Douglas-Emanuel-
Fannin-Fayette-Floyd-Forsyth-Gilmer-Glascock-Gordon-Greene-
Gwinnett-Hall-Hancock-Haralson-Harris-Heard-Henry-Houston-Jackson-
Jasper-Jefferson-Johnson-Jones-Lamar-Laurens-Lumpkin-Macon-
Madison-Marion-Meriwether-Monroe-Montgomery-Morgan-Murray-
Muscogee-Newton-North Fulton-Oconee-Oglethorpe-Paulding-Peach-
Pickens-Pike-Polk-Pulaski-Putnam-Rockdale-Schley-South Fulton-
Spalding-Stewart-Sumter-Talbot-Taliaferro-Taylor-Telfair-Toombs-
Towns-Treutlen-Troup-Twiggs-Union-Upson-Walker-Walton-Warren-
Washington-Webster-Wheeler-White-Whitfield-Wilcox-Wilkes-
Wilkinson-
929 PM EDT Sat Aug 2 2025

This Hazardous Weather Outlook is for north and central Georgia.

.DAY ONE...Tonight...

Scattered thunderstorms will bring locally heavy rainfall to
portions of the area, especially northwest and western Georgia,
overnight. Rainfall amounts of 1-3 inches with locally higher
could lead to localized flash flooding through early Sunday
morning in these areas.

.DAYS TWO THROUGH SEVEN...Sunday through Friday...

Isolated to scattered showers and thunderstorms are expected,
especially during the afternoon and evening hours, through
Thursday. Persistent rainfall through next week could pose a
flooding threat, particularly in central Georgia.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not requested but spotters are encouraged
to submit reports of severe weather through the web by going to
weather.gov/atlanta.  Please relay any information about observed severe
weather to the NWS.

Preliminary Local Storm Report
National Weather Service Peachtree City GA
1014 PM EDT Sat Aug 2 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0915 PM     Flash Flood      3 E Mill Creek          34.73N 84.99W
08/02/2025                   Whitfield          GA   Emergency Mngr

            Report of flooding near the intersection of
            Foster Road and Dublin Way with water
            entering home.

&&

Preliminary Local Storm Report
National Weather Service Peachtree City GA
1016 PM EDT Sat Aug 2 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0920 PM     Flash Flood      2 SW Dalton             34.75N 84.99W
08/02/2025                   Whitfield          GA   Emergency Mngr

            Report of flooding along Dug Gap Road
            between Coffey Drive and Hackney Drive with
            the southbound lane blocked.

&&

Preliminary Local Storm Report
National Weather Service Peachtree City GA
1029 PM EDT Sat Aug 2 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0940 PM     Flash Flood      3 NNE Dalton            34.81N 84.95W
08/02/2025                   Whitfield          GA   Public

            Report of flooding and stalled vehicles
            along Cleveland Highway near Dawnville Road.

&&

Preliminary Local Storm Report
National Weather Service Peachtree City GA
1038 PM EDT Sat Aug 2 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1011 PM     Flash Flood      3 E Coosa               34.27N 85.28W
08/02/2025                   Floyd              GA   Dept of Highways

            Report from GA511 of flooding along State
            Route 20 near Salem Drive, with the road
            closed.

&&

Preliminary Local Storm Report
National Weather Service Peachtree City GA
1045 PM EDT Sat Aug 2 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1000 PM     Flash Flood      1 S Dalton              34.75N 84.97W
08/02/2025                   Whitfield          GA   Emergency Mngr

            Report of flooding along Conway Street with
            water over 3 feet deep across it.

&&

Special Weather Statement
National Weather Service Peachtree City GA
1047 PM EDT Sat Aug 2 2025

GAZ019-030-030315-
Polk GA-Floyd GA-
1047 PM EDT Sat Aug 2 2025

...A strong thunderstorm will impact portions of southwestern Floyd
and northwestern Polk Counties through 1115 PM EDT...

At 1047 PM EDT, a strong thunderstorm was near Forney. This storm was
nearly stationary.

HAZARD...Heavy rain.

SOURCE...Radar indicated.

IMPACT...Heavy rain may cause temporary street flooding especially
         in poor drainage areas.

Locations impacted include...
Cave Spring and Etna.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should slow down and be prepared for possible loss of
control due to hydroplaning.

&&

LAT...LON 3416 8537 3406 8531 3395 8539 3396 8540
      3413 8543
TIME...MOT...LOC 0247Z 312DEG 1KT 3409 8541

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...<30 MPH