Alert archive / Georgia / Flash Flood Warnings in 2013

Flash Flood Warning 82, NWS Atlanta, GA

August 14, 2013Laurens County, Georgia

NWS Atlanta, GA issued this flash flood warning at Aug 14, 2013, 9:04 PM EDT for Laurens County, 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
Aug 14, 2013, 9:04 PM EDT (01:04 UTC)
Expired
Aug 15, 2013, 3:00 AM EDT
In force
6 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

County Laurens County, GA

The radar

The Robins AFB radar (KJGX), 51 km from the middle of the area, began a volume at 01:06 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
Aug 14, 9:45 PM EDTFLASH FLOOD2 Sw Dublin, GALAW ENFORCEMENT REPORTS NUMEROUS ROADS UNDER WATER INCLUDING SOUTHERN PINES NEAR HIGHWAY 441. SEVERAL CARS WERE ALSO REPORTED SUBMERGED BY LOCAL MEDIA.

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, 1.1 hours before the alert went out and 182 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 00:00Z on 2013-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 939 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2013-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.193958Sfc1 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
939 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
587 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

069 
WGUS52 KFFC 150104
FFWFFC
GAC175-150700-
/O.NEW.KFFC.FF.W.0082.130815T0104Z-130815T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
904 PM EDT WED AUG 14 2013

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LAURENS COUNTY IN CENTRAL GEORGIA

* UNTIL 300 AM EDT

* AT 901 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  VERY HEAVY RAINFALL FROM A THUNDERSTORM OVER THE WARNED AREA. 2 TO 
  4 INCHES HAVE ALREADY FALLEN OVER THE AREA WITH ADDITIONAL HEAVY   
  RAIN LIKELY.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MONTROSE...
  EAST DUBLIN...DUDLEY AND DUBLIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF 1 INCH ARE POSSIBLE IN THE WARNED AREA.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.

&&

LAT...LON 3258 8323 3271 8295 3272 8286 3270 8281
      3266 8280 3266 8278 3247 8265 3246 8269
      3241 8270 3234 8275 3231 8272 3219 8286
      3219 8290 3215 8299

$$
2 follow-up statements
565 
WGUS72 KFFC 150146
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
946 PM EDT WED AUG 14 2013

GAC175-150700-
/O.CON.KFFC.FF.W.0082.000000T0000Z-130815T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LAURENS GA-
946 PM EDT WED AUG 14 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 AM EDT FOR
LAURENS COUNTY...

AT 940 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED NUMEROUS 
ROADS AND CARS SUBMERGED AS WELL AS TREES DOWN MAKING FOR A VERY 
DANGEROUS SITUATION.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MONTROSE...
EAST DUBLIN...DUDLEY AND DUBLIN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY...THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.

&&

LAT...LON 3258 8323 3271 8295 3272 8286 3270 8281
      3266 8280 3266 8278 3247 8265 3246 8269
      3241 8270 3234 8275 3231 8272 3219 8286
      3219 8290 3215 8299

$$
476 
WGUS72 KFFC 150542
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
142 AM EDT THU AUG 15 2013

GAC175-150700-
/O.CON.KFFC.FF.W.0082.000000T0000Z-130815T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LAURENS GA-
142 AM EDT THU AUG 15 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 AM EDT FOR
LAURENS COUNTY...

AT 130 AM EDT...LOCAL LAW ENFORCEMENT OFFICIALS INDICATED A FEW 
ROADS IN CENTRAL LAURENS COUNTY STILL HAD WATER COVERING THEM...BUT 
MOST OF THE FLOOD WATERS FROM PREVIOUS HEAVY RAIN THIS EVENING WAS 
RECEDING. RAINFALL AMOUNTS OF 2 TO 5 INCHES OCCURRED EARLIER FROM 
TUCKERS CROSSROAD THROUGH DUBLIN TO THE SOUTH END OF LAURENS COUNTY 
WEST OF CEDAR GROVE. THE FLASH FLOOD WARNING WILL BE ALLOWED TO 
EXPIRE AT 300 AM EDT.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
MONTROSE...EAST DUBLIN...DUDLEY AND DUBLIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.

&&

LAT...LON 3258 8323 3271 8295 3272 8286 3270 8281
      3266 8280 3266 8278 3247 8265 3246 8269
      3241 8270 3234 8275 3231 8272 3219 8286
      3219 8290 3215 8299

$$


16

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 8:11 PM EDTSpecial Weather StatementFFCEmanuel49 min
Aug 14, 9:20 PM EDTSpecial Weather StatementFFCJefferson, Johnson40 min
Aug 14, 9:34 PM EDTSpecial Weather StatementFFCDawson41 min
Aug 14, 9:38 PM EDTSpecial Weather StatementFFCFulton52 min
Aug 15, 5:48 AM EDTSpecial Weather StatementFFCHarris, Muscogee57 min
Aug 15, 6:46 AM EDTSpecial Weather StatementFFCHarris, Muscogee59 min
Aug 15, 10:15 AM EDTSpecial Weather StatementFFCBibb2 hr
Aug 15, 10:43 AM EDTFlash Flood WarningFFCBaldwin, Hancock, Putnam6 hr
Aug 15, 12:37 PM EDTFlash Flood WarningFFCDodge, Laurens, Treutlen6 hr
Aug 15, 2:03 PM EDTSpecial Weather StatementFFCCrisp, Dooly, Sumter, Wilcox42 min
Aug 15, 2:56 PM EDTSpecial Weather StatementFFCCrisp94 min
Aug 15, 3:09 PM EDTSpecial Weather StatementFFCTelfair96 min
Aug 15, 3:45 PM EDTFlash Flood WatchFFCBaldwin, Barrow, Bartow, Bibb, Bleckley, Butts and 82 more4 days

Nearby

Flash Flood Warnings in Georgia, 2013Every flash flood warning in 2013

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.