Alert archive / Georgia / Flash Flood Warnings in 2014

Flash Flood Warning 32, NWS Atlanta, GA

September 7, 2014Coweta County, Meriwether County, Georgia

NWS Atlanta, GA issued this flash flood warning at Sep 7, 2014, 6:52 PM EDT for Coweta County, Meriwether County, Georgia. It was in force for 6 hr. 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 7, 2014, 6:52 PM EDT (22:52 UTC)
Expired
Sep 8, 2014, 12:45 AM EDT
In force
6 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Coweta County, GA, Meriwether County, GA

The radar

The Atlanta radar (KFFC), 26 km from the middle of the area, began a volume at 22:55 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, 10.9 hours before the alert went out and 32 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 2014-09-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 911 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 12:00Z on 2014-09-07The 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
911 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
944 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
16 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.

064 
WGUS52 KFFC 072252
FFWFFC
GAC077-199-080445-
/O.NEW.KFFC.FF.W.0032.140907T2252Z-140908T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
652 PM EDT SUN SEP 7 2014

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  COWETA COUNTY IN WEST CENTRAL GEORGIA
  NORTHERN MERIWETHER COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 1245 AM EDT

* AT 646 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. BETWEEN
  2 AND 3 INCHES OF RAIN HAVE FALLEN IN THE PAST HOUR...WITH ANOTHER
  2 OR SO POSSIBLE BEFORE THE STORMS DISSIPATE.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MORELAND
  AND NEWNAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS...AND UNDERPASSES. ADDITIONALLY...
COUNTRY ROADS...FARMLANDS AND WOODLANDS ALONG THE BANKS OF CREEKS...
STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP 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 OR TWEET US YOUR REPORT AT
NWSATLANTA.

&&

LAT...LON 3344 8495 3344 8492 3347 8491 3352 8483
      3351 8478 3313 8452 3298 8455 3311 8486
      3322 8486 3322 8492 3341 8500

$$
2 follow-up statements
583 
WGUS72 KFFC 080044
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
844 PM EDT SUN SEP 7 2014

GAC077-199-080445-
/O.CON.KFFC.FF.W.0032.000000T0000Z-140908T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MERIWETHER GA-COWETA GA-
844 PM EDT SUN SEP 7 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT FOR
COWETA AND NORTHERN MERIWETHER COUNTIES...

THE RAINFALL HAS ENDED ACROSS MOST OF THE WARNED AREA...BUT AREA 
CREEKS AND STREAMS REMAIN HIGH. RAINFALL ESTIMATES OF BETWEEN 4 AND 
6 INCHES OF RAIN HAVE FALLEN ESPECIALLY ACROSS PORTIONS OF SOUTHERN 
COWETA COUNTY GENERALLY BETWEEN 600 AND 800 PM EDT. SOME BACK ROADS 
MAY HAVE BEEN WASHED OUT DUE TO THE VERY HEAVY RAIN.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NEWNAN... 
GRANTVILLE...MORELAND...AND LUTHERSVILLE.

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.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP 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 OR TWEET US YOUR REPORT AT
NWSATLANTA.

&&

LAT...LON 3344 8495 3344 8492 3347 8491 3352 8483
      3351 8478 3313 8452 3298 8455 3311 8486
      3322 8486 3322 8492 3341 8500

$$
228 
WGUS72 KFFC 080326
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1126 PM EDT SUN SEP 7 2014

GAC077-199-080445-
/O.CON.KFFC.FF.W.0032.000000T0000Z-140908T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MERIWETHER GA-COWETA GA-
1126 PM EDT SUN SEP 7 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT FOR
COWETA AND NORTHERN MERIWETHER COUNTIES...

RAINFALL HAS ENDED ACROSS THE AREA BUT HIGH WATER ESPECIALLY IN 
LOW-LYING AREAS MAY CONTINUE OVER THE NEXT HOUR OR SO AS WATERS 
CONTINUE TO RECEDE.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NEWNAN... 
GRANTVILLE...LUTHERSVILLE...AND MORELAND.

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 OR TWEET US YOUR REPORT AT
NWSATLANTA.

&&

LAT...LON 3344 8495 3344 8492 3347 8491 3352 8483
      3351 8478 3313 8452 3298 8455 3311 8486
      3322 8486 3322 8492 3341 8500

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 7, 12:26 PM EDTSpecial Weather StatementFFCBibb34 min
Sep 7, 12:58 PM EDTSpecial Weather StatementFFCBibb32 min
Sep 7, 1:30 PM EDTSpecial Weather StatementFFCTwiggs30 min
Sep 7, 1:55 PM EDTSpecial Weather StatementFFCBaldwin35 min
Sep 7, 2:01 PM EDTSpecial Weather StatementFFCHouston44 min
Sep 7, 2:09 PM EDTSpecial Weather StatementFFCDooly36 min
Sep 7, 2:23 PM EDTSpecial Weather StatementFFCWilkes37 min
Sep 7, 2:34 PM EDTSpecial Weather StatementFFCGreene26 min
Sep 7, 2:39 PM EDTSpecial Weather StatementFFCHancock36 min
Sep 7, 2:44 PM EDTSpecial Weather StatementFFCBleckley, Houston31 min
Sep 7, 2:57 PM EDTSpecial Weather StatementFFCWilkes33 min
Sep 7, 3:00 PM EDTSpecial Weather StatementFFCCrisp45 min
Sep 7, 3:02 PM EDTSpecial Weather StatementFFCMonroe28 min
Sep 7, 3:08 PM EDTSpecial Weather StatementFFCPickens37 min
Sep 7, 3:10 PM EDTSpecial Weather StatementFFCGlascock, Warren35 min
Sep 7, 3:30 PM EDTSpecial Weather StatementFFCMonroe30 min
Sep 7, 3:33 PM EDTSpecial Weather StatementFFCGwinnett27 min
Sep 7, 3:43 PM EDTSpecial Weather StatementFFCSumter47 min
Sep 7, 3:46 PM EDTSpecial Weather StatementFFCGlascock, Washington29 min
Sep 7, 3:57 PM EDTSpecial Weather StatementFFCDeKalb, Gwinnett33 min
Sep 7, 4:00 PM EDTSpecial Weather StatementFFCMonroe30 min
Sep 7, 4:12 PM EDTSpecial Weather StatementFFCGlascock, Washington, Wilkinson33 min
Sep 7, 4:17 PM EDTFlash Flood WarningFFCDeKalb, Gwinnett6 hr
Sep 7, 4:23 PM EDTSpecial Weather StatementFFCBartow37 min
Sep 7, 4:27 PM EDTSpecial Weather StatementFFCSumter33 min
Sep 7, 4:35 PM EDTSpecial Weather StatementFFCTaylor25 min
Sep 7, 4:40 PM EDTSpecial Weather StatementFFCGwinnett35 min
Sep 7, 4:43 PM EDTSpecial Weather StatementFFCWashington47 min
Sep 7, 4:44 PM EDTSevere Thunderstorm WarningFFCClayton, Henry46 min
Sep 7, 4:49 PM EDTSpecial Weather StatementFFCUpson26 min
Sep 7, 4:53 PM EDTSevere Thunderstorm WarningFFCUpson52 min
Sep 7, 4:58 PM EDTSpecial Weather StatementFFCTaylor32 min
Sep 7, 5:00 PM EDTSpecial Weather StatementFFCWebster30 min
Sep 7, 5:03 PM EDTSpecial Weather StatementFFCPaulding27 min
Sep 7, 5:13 PM EDTSpecial Weather StatementFFCStewart32 min
Sep 7, 5:28 PM EDTSpecial Weather StatementFFCWebster47 min
Sep 7, 5:31 PM EDTSpecial Weather StatementFFCFayette, Henry29 min
Sep 7, 5:33 PM EDTSpecial Weather StatementFFCCobb, Douglas27 min
Sep 7, 5:36 PM EDTSpecial Weather StatementFFCBaldwin24 min
Sep 7, 5:39 PM EDTSpecial Weather StatementFFCMeriwether36 min
Sep 7, 5:41 PM EDTSpecial Weather StatementFFCTroup34 min
Sep 7, 5:43 PM EDTSpecial Weather StatementFFCUpson32 min
Sep 7, 5:45 PM EDTSpecial Weather StatementFFCStewart30 min
Sep 7, 5:55 PM EDTSpecial Weather StatementFFCCarroll35 min
Sep 7, 6:14 PM EDTSpecial Weather StatementFFCHeard, Meriwether, Troup46 min
Sep 7, 6:18 PM EDTSpecial Weather StatementFFCTalbot, Taylor27 min
Sep 7, 6:26 PM EDTSpecial Weather StatementFFCMuscogee49 min
Sep 7, 6:43 PM EDTSevere Thunderstorm WarningFFCCoweta, Meriwether32 min
Sep 7, 6:48 PM EDTSpecial Weather StatementFFCHarris27 min
Sep 7, 6:52 PM EDTSpecial Weather StatementFFCTaylor23 min
Sep 7, 7:12 PM EDTSpecial Weather StatementFFCChattahoochee, Harris, Muscogee, Troup48 min
Sep 7, 7:14 PM EDTSpecial Weather StatementFFCDodge31 min
Sep 7, 7:18 PM EDTFlash Flood WarningFFCMuscogee6 hr
Sep 7, 7:52 PM EDTSpecial Weather StatementFFCCandler23 min

Nearby

Flash Flood Warnings in Georgia, 2014Every flash flood warning in 2014

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.