Alert archive / Georgia / Flash Flood Warnings in 2013

Flash Flood Warning 95, NWS Atlanta, GA

August 22, 2013Carroll County, Haralson County, Georgia

NWS Atlanta, GA issued this flash flood warning at Aug 22, 2013, 8:26 PM EDT for Carroll County, Haralson 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 22, 2013, 8:26 PM EDT (00:26 UTC)
Expired
Aug 23, 2013, 2:15 AM EDT
In force
6 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Carroll County, GA, Haralson County, GA

The radar

The Atlanta radar (KFFC), 68 km from the middle of the area, began a volume at 00:28 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 22, 8:45 PM EDTFLASH FLOOD2 Ese Waco, GAWATER WAS REPORTED ON THE ROADWAY AT HWY 27 AND PRICE CREEK ROAD. IN ADDITION THERE WAS WATER ON THE ROAD AT HWY27 AND ALABAMA AVENUE.

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, 0.4 hours before the alert went out and 73 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 2013-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1442 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 2013-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
1442 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1232 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
13 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.

079 
WGUS52 KFFC 230026
FFWFFC
GAC045-143-230615-
/O.NEW.KFFC.FF.W.0095.130823T0026Z-130823T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
826 PM EDT THU AUG 22 2013

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN CARROLL COUNTY IN NORTHWEST GEORGIA
  HARALSON COUNTY IN NORTHWEST GEORGIA

* UNTIL 215 AM EDT

* AT 819 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  2 TO 3 INCHES OF RAIN HAS FALLEN ACROSS PORTIONS OF SOUTHERN       
  HARALSON COUNTY AND NORTHERN CARROLL COUNTY. AN ADDITIONAL HALF TO
  AN INCH OF RAINFALL IS POSSIBLE. THESE STORMS ARE LOCATED IN AN    
  AREA STRETCHING FROM TALLAPOOSA TO BREMEN TO ABILENE AND ARE       
  DRIFTING TO THE SOUTH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VILLA      
  RICA...TEMPLE...BREMEN...WACO...BUCHANAN...TALLAPOOSA...BETHEL     
  CREEK AND HOLLY CREEK. 

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 3390 8525 3390 8504 3382 8504 3380 8495
      3373 8490 3362 8490 3355 8532 3356 8533
      3378 8537

$$
1 follow-up statement
043 
WGUS72 KFFC 230335
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1135 PM EDT THU AUG 22 2013

GAC045-143-230342-
/O.CAN.KFFC.FF.W.0095.000000T0000Z-130823T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CARROLL GA-HARALSON GA-
1135 PM EDT THU AUG 22 2013

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR HARALSON AND
NORTHERN CARROLL COUNTIES...

WATER LEVELS HAVE HAD TIME TO RECEDE AND THE RAIN HAS ENDED. FLASH 
FLOODING IS NO LONGER A CONCERN. 

IF YOU SAW 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 3390 8525 3390 8504 3382 8504 3380 8495
      3373 8490 3362 8490 3355 8532 3356 8533
      3378 8537

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 23, 5:43 PM EDTSpecial Weather StatementFFCJefferson47 min
Aug 23, 6:31 PM EDTSpecial Weather StatementFFCMuscogee29 min
Aug 23, 6:34 PM EDTSevere Thunderstorm WarningFFCBibb, Crawford, Houston, Peach41 min
Aug 23, 6:57 PM EDTSevere Thunderstorm WarningFFCBibb, Houston, Twiggs48 min
Aug 23, 6:59 PM EDTSpecial Weather StatementFFCHarris61 min
Aug 23, 7:00 PM EDTSpecial Weather StatementFFCTalbot30 min
Aug 23, 7:01 PM EDTSpecial Weather StatementFFCJohnson29 min
Aug 23, 7:10 PM EDTFlash Flood WarningFFCEmanuel, Jefferson, Johnson, Washington6 hr
Aug 23, 7:12 PM EDTSpecial Weather StatementFFCJohnson, Washington33 min
Aug 23, 7:34 PM EDTSpecial Weather StatementFFCWilkinson26 min
Aug 23, 7:37 PM EDTSevere Thunderstorm WarningFFCJohnson, Laurens, Washington, Wilkinson38 min
Aug 23, 7:38 PM EDTFlash Flood WarningFFCBibb, Crawford, Houston, Peach, Twiggs4 hr
Aug 23, 7:46 PM EDTSpecial Weather StatementFFCCatoosa, Dade, Walker59 min
Aug 23, 7:49 PM EDTSpecial Weather StatementFFCPeach26 min

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.