Alert archive / Georgia / Flash Flood Warnings in 2023

Flash Flood Warning 8, NWS Atlanta, GA

March 27, 20238 counties in Georgia

NWS Atlanta, GA issued this flash flood warning at Mar 27, 2023, 12:08 AM EDT for 8 counties in Georgia. It was in force for 6 hr. 5 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Mar 27, 2023, 12:08 AM EDT (04:08 UTC)
Expired: Mar 27, 2023, 6:15 AM EDT
In force: 6 hr
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Flood severity: None

Counties Coweta County, GA, Heard County, GA, Lamar County, GA, Meriwether County, GA, Pike County, GA, Spalding County, GA, Troup County, GA, Upson County, GA

The radar

The Atlanta radar (KFFC), 29 km from the middle of the area, began a volume at 04:09 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.

What was reported inside it

Time	Report	Where	Remark
Mar 27, 6:00 AM EDT	FLASH FLOOD	3 Wnw Smiths Crossroad, GA	REPORTS OF FLOODING ACROSS ROAD ON NEW HUTCHINSON MILL RD.
Mar 27, 6:00 AM EDT	FLASH FLOOD	Lagrange, GA	MULTIPLE ROAD CLOSURES FROM FLOODING ACROSS THE CITY OF LAGRANGE.
Mar 27, 6:12 AM EDT	FLASH FLOOD	1 Se Hannahs Mill, GA	MULTIPLE ROADS CLOSED DUE TO FLASH FLOODING INCLUDING: E COUNTY RD BESIDES POTATO CREEK AND NEAR COBBTOWN RD, DELRAY AT N DELRAY.
Mar 27, 6:12 AM EDT	FLASH FLOOD	2 Sse Molena, GA	MULTIPLE RDS CLOSED DUE TO FLASH FLOODING INCLUDING: JONES RD, MCCRARY RD, DRIPPING ROCK RD, AND TURNER LAKE RD.
Mar 27, 6:12 AM EDT	FLASH FLOOD	2 W Hannahs Mill, GA	MULTIPLE ROADS CLOSED DUE TO FLASH FLOODING INCLUDING: JEFF DAVIS RD, OLD ALABAMA RD NEAR JEFF DAVIS RD, AND MORGAN RD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 4.1 hours before the alert went out and 31 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2023 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 579 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 168 m²/s²
0-3 km storm-relative helicity: 231 m²/s²
Significant tornado parameter: 3.7
Supercell composite: 15.1

Open this sounding in Storm Lab

The text

As transmitted.

896 
WGUS52 KFFC 270408
FFWFFC
GAC077-149-171-199-231-255-285-293-271015-
/O.NEW.KFFC.FF.W.0008.230327T0408Z-230327T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
1208 AM EDT Mon Mar 27 2023

The National Weather Service in Peachtree City has issued a

* Flash Flood Warning for...
  Southern Coweta County in west central Georgia...
  Heard County in west central Georgia...
  Lamar County in west central Georgia...
  Meriwether County in west central Georgia...
  Pike County in west central Georgia...
  Southwestern Spalding County in west central Georgia...
  Troup County in west central Georgia...
  Northern Upson County in west central Georgia...

* Until 615 AM EDT Monday.

* At 1208 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 4 and 6 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  LaGrange, Thomaston, Barnesville, Zebulon, Franklin, Greenville, 
  Manchester, West Point, Hogansville, Grantville, Pine Mountain, 
  Woodbury, Luthersville, Milner, Warm Springs, Centralhatchee, 
  Molena, Williamson, Orchard Hill and Meansville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 3333 8527 3338 8512 3338 8502 3324 8479
      3322 8450 3319 8450 3321 8442 3320 8438
      3319 8417 3317 8410 3312 8408 3307 8407
      3292 8419 3291 8452 3288 8451 3285 8456
      3284 8470 3287 8475 3287 8519

FLASH FLOOD...RADAR INDICATED

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 26, 8:07 PM EDT	Special Weather Statement	FFC	Butts, Spalding	23 min
Mar 26, 8:18 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Heard, Meriwether, Troup	27 min
Mar 26, 8:20 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Meriwether, Pike, Spalding	25 min
Mar 26, 8:28 PM EDT	Special Weather Statement	FFC	Morgan	32 min
Mar 26, 8:36 PM EDT	Special Weather Statement	FFC	Lamar, Upson	24 min
Mar 26, 8:40 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Heard, Troup	35 min
Mar 26, 8:43 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Fayette	47 min
Mar 26, 8:45 PM EDT	Severe Thunderstorm Warning	FFC	Lamar, Monroe, Pike, Upson	30 min
Mar 26, 8:46 PM EDT	Special Weather Statement	FFC	Spalding	29 min
Mar 26, 8:57 PM EDT	Severe Thunderstorm Warning	FFC	Greene, Morgan, Oconee	33 min
Mar 26, 9:00 PM EDT	Special Weather Statement	FFC	Butts	30 min
Mar 26, 9:03 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Coweta, Fayette, Fulton	27 min
Mar 26, 9:14 PM EDT	Severe Thunderstorm Warning	FFC	Greene, Oglethorpe	46 min
Mar 26, 9:17 PM EDT	Special Weather Statement	FFC	Carroll	28 min
Mar 26, 9:18 PM EDT	Special Weather Statement	FFC	Carroll	27 min
Mar 26, 9:31 PM EDT	Severe Thunderstorm Warning Considerable damage threat	FFC	Clayton, DeKalb, Fulton	29 min
Mar 26, 9:40 PM EDT	Special Weather Statement	FFC	Troup	35 min
Mar 26, 9:46 PM EDT	River Flood Warning	FFC	Meriwether, Pike	37 hr
Mar 26, 9:55 PM EDT	Special Weather Statement	FFC	Wilkes	35 min
Mar 26, 9:55 PM EDT	Severe Thunderstorm Warning	FFC	DeKalb, Fulton, Gwinnett	35 min
Mar 26, 10:05 PM EDT	Special Weather Statement	FFC	Greene, Putnam	25 min
Mar 26, 10:19 PM EDT	Severe Thunderstorm Warning	FFC	Barrow, Forsyth, Gwinnett, Hall, Jackson	41 min
Mar 26, 10:29 PM EDT	Flash Flood Warning Considerable damage threat	FFC	Clayton, DeKalb, Fulton, Gwinnett	5 hr
Mar 26, 10:34 PM EDT	Special Weather Statement	FFC	Hancock, Taliaferro	26 min
Mar 26, 10:35 PM EDT	Special Weather Statement	FFC	Pike	25 min
Mar 26, 10:38 PM EDT	Special Weather Statement	FFC	Heard	37 min
Mar 26, 10:53 PM EDT	Special Weather Statement	FFC	Banks, Hall	37 min
Mar 26, 11:02 PM EDT	Special Weather Statement	FFC	Henry, Spalding	28 min
Mar 26, 11:05 PM EDT	Severe Thunderstorm Warning	FFC	Glascock, Hancock, Taliaferro, Warren, Wilkes	40 min
Mar 26, 11:17 PM EDT	Special Weather Statement	FFC	Coweta	28 min
Mar 26, 11:25 PM EDT	Special Weather Statement	FFC	Fayette, Spalding	35 min
Mar 26, 11:27 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Coweta, Fayette, Henry	48 min
Mar 26, 11:50 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, DeKalb, Gwinnett, Henry, Newton, Rockdale and 2 more	25 min
Mar 26, 11:57 PM EDT	Severe Thunderstorm Warning	FFC	Harris, Meriwether, Muscogee, Talbot, Troup	78 min
Mar 27, 12:12 AM EDT	Severe Thunderstorm Warning	FFC	Butts, Jasper, Morgan, Newton, Spalding	33 min
Mar 27, 12:29 AM EDT	River Flood Warning	FFC	Crawford, Talbot, Taylor, Upson	3 days
Mar 27, 12:30 AM EDT	Severe Thunderstorm Warning	FFC	Greene, Jasper, Morgan, Oconee, Oglethorpe, Putnam	60 min
Mar 27, 12:33 AM EDT	Special Weather Statement	FFC	Lamar, Monroe, Pike	27 min
Mar 27, 12:40 AM EDT	Severe Thunderstorm Warning	FFC	Bibb, Crawford, Lamar, Monroe, Pike, Taylor and 1 more	80 min
Mar 27, 12:46 AM EDT	Flash Flood Warning	FFC	Butts, Henry, Lamar, Spalding	8 hr
Mar 27, 12:49 AM EDT	Special Weather Statement	FFC	Butts	26 min
Mar 27, 12:58 AM EDT	Special Weather Statement	FFC	Taliaferro, Wilkes	32 min
Mar 27, 1:15 AM EDT	Special Weather Statement	FFC	Chattahoochee, Muscogee, Talbot	30 min
Mar 27, 1:21 AM EDT	Special Weather Statement	FFC	Hancock, Putnam, Warren	39 min
Mar 27, 1:32 AM EDT	Special Weather Statement	FFC	Baldwin, Bibb, Jones, Twiggs, Wilkinson	43 min
Mar 27, 1:47 AM EDT	Special Weather Statement	FFC	Chattahoochee, Marion, Muscogee, Taylor	13 min
Mar 27, 1:56 AM EDT	Special Weather Statement	FFC	Crawford, Taylor	19 min
Mar 27, 2:12 AM EDT	Special Weather Statement	FFC	Glascock, Jefferson, Washington	33 min
Mar 27, 2:13 AM EDT	Special Weather Statement	FFC	Baldwin	32 min
Mar 27, 2:14 AM EDT	Special Weather Statement	FFC	Crawford, Taylor	31 min
Mar 27, 2:14 AM EDT	Special Weather Statement	FFC	Crawford, Taylor	31 min
Mar 27, 2:32 AM EDT	River Flood Warning	FFC	Lamar, Spalding	11 hr
Mar 27, 2:45 AM EDT	River Flood Warning	FFC	Forsyth, Fulton	11 hr
Mar 27, 2:57 AM EDT	River Flood Warning	FFC	Clayton, Fayette, Spalding	11 hr
Mar 27, 4:16 AM EDT	Special Weather Statement	FFC	Henry, Spalding	29 min
Mar 27, 4:19 AM EDT	Special Weather Statement	FFC	Crawford, Talbot	26 min
Mar 27, 4:43 AM EDT	Special Weather Statement	FFC	Butts, Jasper	32 min
Mar 27, 4:47 AM EDT	Special Weather Statement	FFC	Bibb, Crawford, Monroe	28 min
Mar 27, 4:49 AM EDT	Special Weather Statement	FFC	Harris, Talbot	26 min
Mar 27, 5:12 AM EDT	Severe Thunderstorm Warning	FFC	Bibb, Crawford	33 min
Mar 27, 5:14 AM EDT	Severe Thunderstorm Warning	FFC	Harris, Muscogee	31 min
Mar 27, 5:29 AM EDT	Severe Thunderstorm Warning	FFC	Crawford, Talbot, Taylor, Upson	31 min
Mar 27, 5:33 AM EDT	Special Weather Statement	FFC	Meriwether, Troup	27 min
Mar 27, 5:43 AM EDT	Special Weather Statement	FFC	Wilkinson	32 min
Mar 27, 5:44 AM EDT	Severe Thunderstorm Warning	FFC	Harris, Talbot	31 min
Mar 27, 6:03 AM EDT	Special Weather Statement	FFC	Monroe, Upson	27 min
Mar 27, 6:08 AM EDT	Severe Thunderstorm Warning	FFC	Harris, Meriwether, Troup	52 min
Mar 27, 6:11 AM EDT	Special Weather Statement	FFC	Pike	34 min
Mar 27, 6:17 AM EDT	Flash Flood Warning	FFC	Coweta, Heard, Lamar, Meriwether, Monroe, Pike and 3 more	6 hr
Mar 27, 6:28 AM EDT	Severe Thunderstorm Warning	FFC	Bibb, Crawford, Jones, Lamar, Monroe, Upson	47 min
Mar 27, 6:45 AM EDT	River Flood Warning	FFC	Putnam	15 hr
Mar 27, 6:58 AM EDT	Severe Thunderstorm Warning	FFC	Harris, Meriwether, Pike, Talbot, Troup, Upson	32 min
Mar 27, 7:08 AM EDT	Tornado Warning	FFC	Meriwether, Pike, Upson	32 min
Mar 27, 7:12 AM EDT	Severe Thunderstorm Warning	FFC	Baldwin, Jones, Twiggs, Wilkinson	36 min
Mar 27, 7:37 AM EDT	Severe Thunderstorm Warning	FFC	Crawford, Lamar, Monroe, Upson	38 min
Mar 27, 8:03 AM EDT	River Flood Warning	FFC	Monroe	36 hr
Mar 27, 8:08 AM EDT	River Flood Warning	FFC	Washington, Wilkinson	24 days
Mar 27, 8:11 AM EDT	Special Weather Statement	FFC	Baldwin, Bibb, Jones, Wilkinson	34 min
Mar 27, 8:26 AM EDT	River Flood Warning	FFC	Gwinnett	12 hr
Mar 27, 8:34 AM EDT	Severe Thunderstorm Warning	FFC	Baldwin, Bibb, Jones, Twiggs, Wilkinson	41 min

Nearby

Flash Flood Warnings in Georgia, 2023 Every flash flood warning in 2023

Sources

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