Alert archive / Georgia / Special Weather Statements in 2024

Special Weather Statement, NWS Atlanta, GA

September 25, 20248 counties in Georgia

NWS Atlanta, GA issued this special weather statement at Sep 25, 2024, 5:13 PM EDT for 8 counties in Georgia. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 25, 2024, 5:13 PM EDT (21:13 UTC)
Expired
Sep 25, 2024, 6:00 PM EDT
In force
47 min
Issued by
NWS Atlanta, GA
Hail
0.00 in
Wind
30

Counties Clayton County, GA, Cobb County, GA, Coweta County, GA, DeKalb County, GA, Douglas County, GA, Fayette County, GA, Fulton County, GA, Gwinnett County, GA

The radar

The Atlanta radar (KFFC), 28 km from the middle of the area, began a volume at 21:12 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.2 hours before the alert went out and 28 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2024-09-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 543 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2024-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
543 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
905 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Atlanta, GA wrote its last area forecast discussion before this special weather statement went out at Sep 25, 2:50 PM EDT, 2 hours 23 minutes earlier.

Area forecast discussion, Sep 25, 2:50 PM EDT, 2 hours 23 minutes before
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Hazardous weather outlook, Sep 25, 3:08 PM EDT, 2 hours 5 minutes before
Hazardous Weather Outlook
National Weather Service Peachtree City GA
308 PM EDT Wed Sep 25 2024

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-261915-
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-
308 PM EDT Wed Sep 25 2024

This Hazardous Weather Outlook is for portions of North and Central Georgia.

.DAY ONE...This Afternoon and Tonight...

Periods of heavy rainfall and localized flash flooding, which are
not associated with Helene, will continue across portions of
north and central Georgia. The greatest potential for flash
flooding will be roughly along the Interstate 85 corridor. In
addition, a few strong to severe storms with damaging winds will
be possible. A tornado cannot be ruled out.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday...

A Flood Watch is in effect for north and central Georgia through
Friday afternoon. Tropical storm conditions are expected across
the area with hurricane conditions also possible in portions of
central Georgia. Strong, damaging wind gusts and significant,
potentially life-threatening flash flooding and river flooding are
expected. Expect strong winds to bring widespread and potentially
extended power outages.

.SPOTTER INFORMATION STATEMENT...

Spotters should be prepared for activation especially from
Thursday through Friday morning. Please relay any information
about observed severe weather to the NWS while following all local
and state guidelines.

In the hours before

Special weather statement, Sep 25, 11:32 AM EDT, 5 hours 41 minutes before
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Special weather statement, Sep 25, 12:24 PM EDT, 4 hours 49 minutes before
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Special weather statement, Sep 25, 2:34 PM EDT, 2 hours 39 minutes before
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Special weather statement, Sep 25, 4:27 PM EDT, 46 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
427 PM EDT Wed Sep 25 2024

GAZ052-053-066-067-078-252115-
Harris GA-Coweta GA-Heard GA-Troup GA-Meriwether GA-
427 PM EDT Wed Sep 25 2024

...A strong thunderstorm will impact portions of northwestern
Meriwether, southeastern Heard, Troup, southwestern Coweta and
northwestern Harris Counties through 515 PM EDT...

At 427 PM EDT, a strong thunderstorm was over River View, or near
Valley, moving north at 40 mph.

HAZARD...Heavy rain.

SOURCE...Radar indicated.

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

Locations impacted include...
Newnan, LaGrange, Franklin, West Point, Hogansville, Grantville,
Luthersville, Moreland, Lone Oak, East Newnan, Corinth, Mountville,
Cannonville, Louise, Odessadale, Stovall, Piedmont Heights,
Harrisonville, Hillcrest, and Big Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3336 8508 3337 8478 3318 8462 3264 8510
      3264 8511 3266 8509 3269 8512 3271 8512
      3274 8511 3276 8514 3278 8512 3281 8517
      3283 8517 3285 8515 3286 8519 3302 8521
TIME...MOT...LOC 2027Z 195DEG 33KT 3281 8510

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...<30 MPH
Special weather statement, Sep 25, 5:13 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
513 PM EDT Wed Sep 25 2024

GAZ021-022-032>034-042>046-052>055-057-067-252200-
Fayette GA-Rockdale GA-Coweta GA-Carroll GA-Forsyth GA-Gwinnett GA-
Heard GA-Meriwether GA-Henry GA-South Fulton GA-North Fulton GA-
Douglas GA-Cobb GA-Clayton GA-Cherokee GA-DeKalb GA-
513 PM EDT Wed Sep 25 2024

...A strong thunderstorm will impact portions of DeKalb, Fayette,
north central Meriwether, southeastern Carroll, Douglas, central
Gwinnett, northeastern Heard, central Rockdale, south central
Cherokee, southwestern Forsyth, central Cobb, northwestern Henry,
Coweta, Fulton and Clayton Counties through 600 PM EDT...

At 513 PM EDT, a strong thunderstorm was over College Park, or 8
miles northwest of Jonesboro, moving north at 20 mph.

HAZARD...Heavy rain.

SOURCE...Radar indicated.

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

Locations impacted include...
Atlanta, Marietta, Newnan, Douglasville, Lawrenceville, Decatur,
Fayetteville, Jonesboro, Peachtree Corners, City of South Fulton,
Sandy Springs, Roswell, Johns Creek, Alpharetta, Smyrna, Dunwoody,
Peachtree City, East Point, Duluth, and Stockbridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3335 8509 3413 8444 3410 8406 3384 8393
      3317 8462 3337 8478
TIME...MOT...LOC 2113Z 194DEG 16KT 3360 8447

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

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 25, 5:14 AM EDTTropical Storm WatchFFCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 89 more12 hr
Sep 25, 10:39 AM EDTSpecial Weather StatementFFCFloyd, Polk51 min
Sep 25, 10:47 AM EDTSevere Thunderstorm WarningFFCBartow, Floyd, Polk43 min
Sep 25, 11:11 AM EDTHurricane WarningFFCBibb, Bleckley, Butts, Chattahoochee, Crawford, Crisp and 27 more42 hr
Sep 25, 11:11 AM EDTTropical Storm WarningFFCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more48 hr
Sep 25, 11:32 AM EDTSpecial Weather StatementFFCBartow43 min
Sep 25, 12:24 PM EDTSpecial Weather StatementFFCCarroll, Haralson51 min
Sep 25, 2:34 PM EDTSpecial Weather StatementFFCWhite26 min
Sep 25, 4:03 PM EDTRiver Flood WarningFFCDeKalb, Rockdale3 days
Sep 25, 4:03 PM EDTRiver Flood WarningFFCNewton, Rockdale4 days
Sep 25, 4:11 PM EDTRiver Flood WarningFFCBarrow, Jackson71 hr
Sep 25, 4:15 PM EDTRiver Flood WarningFFCForsyth, Fulton3 days
Sep 25, 4:27 PM EDTSpecial Weather StatementFFCTroup48 min
Sep 25, 5:30 PM EDTSpecial Weather StatementFFCStewart30 min
Sep 25, 5:57 PM EDTFlash Flood WarningFFCHarris, Meriwether, Muscogee, Pike, Talbot, Troup and 1 more2 hr
Sep 25, 6:02 PM EDTSpecial Weather StatementFFCStewart28 min

Nearby

Special Weather Statements in Georgia, 2024Every special weather statement in 2024

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.