Alert archive / Georgia / Flash Flood Warnings in 2018

Flash Flood Warning 10, NWS Atlanta, GA

May 23, 20185 counties in Georgia

NWS Atlanta, GA issued this flash flood warning at May 23, 2018, 9:09 AM EDT for 5 counties in Georgia. It was in force for 6 hr. 1 report 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
May 23, 2018, 9:09 AM EDT (13:09 UTC)
Expired
May 23, 2018, 3:15 PM EDT
In force
6 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Chattahoochee County, GA, Marion County, GA, Muscogee County, GA, Talbot County, GA, Taylor County, GA

The radar

The Atlanta radar (KFFC), 91 km from the middle of the area, began a volume at 13:08 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

TimeReportWhereRemark
May 23, 11:30 AM EDTFLASH FLOOD2 Ese Upatoi, GAGDOT AND EMERGENCY PERSONEL ARE REPORTING ROAD CLOSURES DUE TO FLOODING ALONG HWY 80 AT THE KENDELL CREEK CROSSING.

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 12:00Z, 1.2 hours before the alert went out and 92 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 2018-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 223 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2018-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 square meters per square second.1939Sfc1 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
223 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
475 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
-18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

953 
WGUS52 KFFC 231309
FFWFFC
GAC053-197-215-263-269-231915-
/O.NEW.KFFC.FF.W.0010.180523T1309Z-180523T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
909 AM EDT WED MAY 23 2018

The National Weather Service in Peachtree City has issued a

* Flash Flood Warning for...
  Northern Marion County in west central Georgia...
  Eastern Muscogee County in west central Georgia...
  Northeastern Chattahoochee County in west central Georgia...
  Southern Talbot County in west central Georgia...
  Western Taylor County in west central Georgia...

* Until 315 PM EDT Wednesday.

* At 907 AM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Flash flooding is expected to 
  begin shortly. Two to four inches is estimated to have fallen with 
  another one to two of additional rain possible.

* Some locations that will experience flooding include...
  Junction City, North Fort Benning, Upatoi, Juniper, Vista Terrace,
  Charing, Oakland, Mauk, Howard, Marion Estates, Eelbeck/West Fort
  Benning, Wesley Church and Flat Rock.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3259 8466 3252 8469 3256 8447 3269 8441
      3267 8420 3244 8432 3242 8458 3241 8491
      3254 8489

$$
2 follow-up statements
163 
WGUS72 KFFC 231559
FFSFFC

Flash Flood Statement
National Weather Service Peachtree City GA
1159 AM EDT WED MAY 23 2018

GAC053-197-215-263-269-231915-
/O.CON.KFFC.FF.W.0010.000000T0000Z-180523T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Marion GA-Muscogee GA-Chattahoochee GA-Talbot GA-Taylor GA-
1159 AM EDT WED MAY 23 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR
NORTHERN MARION...EASTERN MUSCOGEE...NORTHEASTERN CHATTAHOOCHEE...
SOUTHERN TALBOT AND WESTERN TAYLOR COUNTIES...

At 1152 AM EDT, there have been confirmed reports of flash flooding 
with several roads and portions of Highways closed. A portion of 
Highway 80 in eastern Muscogee County is reported closed to a high 
amount of water running over the roadway. 

Though the heavier rain is ending, flash flooding can still occur, 
especially in low-lying areas and near creeks and small streams. As 
much as 4 to 7 inches of rain has occurred across eastern Muscogee 
to western Taylor counties. Additional rainfall amounts of up to 1/4 
inch can be expected through early this afternoon.

Some locations that will experience flooding include...
Junction City, North Fort Benning, Upatoi, Juniper, Vista Terrace,
Charing, Oakland, Mauk, Howard, Marion Estates, Eelbeck/West Fort
Benning, Wesley Church and Flat Rock.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 3259 8466 3252 8469 3256 8447 3269 8441
      3267 8420 3244 8432 3242 8458 3241 8491
      3254 8489

$$
853 
WGUS72 KFFC 231905
FFSFFC

Flash Flood Statement
National Weather Service Peachtree City GA
305 PM EDT WED MAY 23 2018

GAC053-197-215-263-269-231915-
/O.EXP.KFFC.FF.W.0010.000000T0000Z-180523T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Marion GA-Muscogee GA-Chattahoochee GA-Talbot GA-Taylor GA-
305 PM EDT WED MAY 23 2018

...THE FLASH FLOOD WARNING FOR NORTHERN MARION...EASTERN MUSCOGEE...
NORTHEASTERN CHATTAHOOCHEE...SOUTHERN TALBOT AND WESTERN TAYLOR
COUNTIES WILL EXPIRE AT 315 PM EDT...

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

LAT...LON 3259 8466 3252 8469 3256 8447 3269 8441
      3267 8420 3244 8432 3242 8458 3241 8491
      3254 8489

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 12:54 AM EDTSpecial Weather StatementFFCHarris, Muscogee36 min
May 23, 1:38 AM EDTSpecial Weather StatementFFCMuscogee37 min
May 23, 2:22 AM EDTFlash Flood WarningFFCHarris, Muscogee6 hr
May 23, 3:10 AM EDTSpecial Weather StatementFFCTalbot, Upson35 min
May 23, 3:48 AM EDTSpecial Weather StatementFFCTalbot, Upson27 min
May 23, 4:22 AM EDTSpecial Weather StatementFFCUpson23 min
May 23, 4:23 AM EDTSpecial Weather StatementFFCTalbot37 min
May 23, 5:17 AM EDTFlash Flood WarningFFCTalbot9 hr
May 23, 5:37 AM EDTRiver Flood WarningFFCGwinnett10 hr
May 23, 6:37 AM EDTFlash Flood WarningFFCHarris, Muscogee, Talbot8 hr
May 23, 6:57 AM EDTFlash Flood WarningFFCTalbot, Upson6 hr
May 23, 7:27 AM EDTRiver Flood WarningFFCChattahoochee, Muscogee7 hr
May 23, 8:28 AM EDTSpecial Weather StatementFFCChattahoochee, Marion, Muscogee, Schley, Taylor62 min
May 23, 8:50 AM EDTSpecial Weather StatementFFCClarke, Jackson, Madison55 min
May 23, 10:23 AM EDTSpecial Weather StatementFFCChattahoochee, Marion, Schley67 min
May 23, 10:33 AM EDTRiver Flood WarningFFCCrawford, Talbot, Taylor, Upson42 hr
May 23, 10:39 AM EDTRiver Flood WarningFFCGwinnett2 hr
May 23, 11:27 AM EDTSpecial Weather StatementFFCMarion, Schley, Stewart, Webster48 min
May 23, 12:09 PM EDTSpecial Weather StatementFFCSumter51 min
May 23, 1:23 PM EDTSpecial Weather StatementFFCDodge, Laurens, Washington52 min
May 23, 2:31 PM EDTFlash Flood WatchFFCBaldwin, Bibb, Bleckley, Chattahoochee, Crawford, Crisp and 34 more20 hr
May 23, 2:47 PM EDTSpecial Weather StatementFFCWilcox43 min
May 23, 3:17 PM EDTSpecial Weather StatementFFCOglethorpe43 min
May 23, 3:27 PM EDTSpecial Weather StatementFFCJones48 min
May 23, 3:44 PM EDTSpecial Weather StatementFFCDodge31 min
May 23, 5:19 PM EDTSpecial Weather StatementFFCTalbot26 min
May 23, 6:44 PM EDTSpecial Weather StatementFFCTaliaferro31 min

Nearby

Flash Flood Warnings in Georgia, 2018Every flash flood warning in 2018

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.