Alert archive / Georgia / Flash Flood Warnings in 2011

Flash Flood Warning 3, NWS Atlanta, GA

March 9, 2011Bartow County, Gordon County, Georgia

NWS Atlanta, GA issued this flash flood warning at Mar 9, 2011, 10:58 AM EST for Bartow County, Gordon County, Georgia. It was in force for 5 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
Mar 9, 2011, 10:58 AM EST (15:58 UTC)
Expired
Mar 9, 2011, 4:14 PM EST
In force
5 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Bartow County, GA, Gordon County, GA

The radar

The Atlanta radar (KFFC), 115 km from the middle of the area, began a volume at 16:02 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
Mar 9, 12:15 PM ESTFLASH FLOOD4 Sw Calhoun, GASEVERAL ROADS CLOSED DUE TO CREEK FLOODING. OAK GROVE ROAD...MILLERS FERRY ROAD...LANFORD ROAD...AND BAKER ROAD. MILLERS FERRY ROAD WAS CLOSED IN TWO LOCATIONS. BAKER ROAD HAD TWO FEED OF WATER FLOWING OVER THE ROAD.

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, 4.0 hours before the alert went out and 116 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 2011-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2011-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 690 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
548 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
690 m²/s²
0-3 km storm-relative helicity
795 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.

431 
WGUS52 KFFC 091558
FFWFFC
GAC015-129-092200-
/O.NEW.KFFC.FF.W.0003.110309T1558Z-110309T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1058 AM EST WED MAR 9 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BARTOW COUNTY IN NORTHWEST GEORGIA
  GORDON COUNTY IN NORTHWEST GEORGIA

* UNTIL 500 PM EST WEDNESDAY

* AT 1050 AM EST...NATIONAL WEATHER SERVICE RADARS INDICATED A       
  LARGE AREA OF MODERATE TO HEAVY RAIN OVER THE WARNED AREA.         
  RAINFALL AMOUNTS UP TO 2 INCHES HAS ALREADY OCCURRED SINCE 500 AM  
  EST THIS MORNING. ADDITIONAL RAINFALL 1 TO 2 INCHES CAN BE         
  EXPECTED THROUGH THE REMAINDER OF THE DAY OVER WARNED AREA. THIS   
  WILL LIKELY CAUSE VARIOUS STREAMS AND CREEKS TO RISE RAPIDLY AND   
  CAUSE FLOODING IN PORTIONS OF BARTOW AND GORDON COUNTIES.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO            
  PLAINVILLE...CALHOUN...ADAIRSVILLE AND CARTERSVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

&&

LAT...LON 3456 8507 3457 8465 3435 8464 3435 8466
      3408 8466 3409 8505 3421 8505 3422 8503
      3425 8501 3434 8502 3435 8501 3439 8501
      3440 8508 3454 8508

$$

16
2 follow-up statements
852 
WGUS72 KFFC 092111
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
411 PM EST WED MAR 9 2011

GAC015-129-092106-
/O.CAN.KFFC.FF.W.0003.000000T0000Z-110309T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BARTOW GA-GORDON GA-
411 PM EST WED MAR 9 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR GORDON AND BARTOW
COUNTIES...

AROUND 2.5 TO 3.5 INCHES OF RAIN OCCURRED OVER THE WARNED AREA THIS 
MORNING AND EARLY AFTERNOON. EMERGENCY MANAGER OFFICIALS FOR GORDON
COUNTY HAVE INDICATED SEVERAL ROADS THROUGHOUT THEIR COUNTY WERE 
CLOSED OR HAVE BEEN CLOSED EARLIER DUE TO FLOODING FROM NEARBY 
STREAMS OR CREEKS.

NO SIGNIFICANT FLOODING WAS REPORTED FROM THE BARTOW COUNTY EMA 
OFFICIALS.

THE RAIN HAS ENDED OVER THE WARNED AREA AND THE FLOODING IS 
RECEDING. 

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3456 8507 3457 8465 3435 8464 3435 8466
      3408 8466 3409 8505 3421 8505 3422 8503
      3425 8501 3434 8502 3435 8501 3439 8501
      3440 8508 3454 8508

$$

16
815 
WGUS72 KFFC 092114 CCA
FFSFFC

FLASH FLOOD STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
414 PM EST WED MAR 9 2011

GAC015-129-092145-
/O.CAN.KFFC.FF.W.0003.000000T0000Z-110309T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BARTOW GA-GORDON GA-
414 PM EST WED MAR 9 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR GORDON AND BARTOW
COUNTIES...

AROUND 2.5 TO 3.5 INCHES OF RAIN OCCURRED OVER THE WARNED AREA THIS 
MORNING AND EARLY AFTERNOON. EMERGENCY MANAGER OFFICIALS FOR GORDON
COUNTY HAVE INDICATED SEVERAL ROADS THROUGHOUT THEIR COUNTY WERE 
CLOSED OR HAVE BEEN CLOSED EARLIER DUE TO FLOODING FROM NEARBY 
STREAMS OR CREEKS.

NO SIGNIFICANT FLOODING WAS REPORTED FROM THE BARTOW COUNTY EMA 
OFFICIALS.

THE RAIN HAS ENDED OVER THE WARNED AREA AND THE FLOODING IS 
RECEDING. 

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3456 8507 3457 8465 3435 8464 3435 8466
      3408 8466 3409 8505 3421 8505 3422 8503
      3425 8501 3434 8502 3435 8501 3439 8501
      3440 8508 3454 8508

$$

16

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 3:13 AM ESTWind AdvisoryFFCChattooga, Dade, Dawson, Fannin, Gilmer, Lumpkin and 6 more12 hr
Mar 9, 6:38 AM ESTRiver Flood WarningFFCDade43 hr
Mar 9, 8:49 AM ESTRiver Flood WarningFFCChattooga6 days
Mar 9, 9:24 AM ESTFlash Flood WarningFFCFloyd, Haralson, Polk6 hr
Mar 9, 9:35 AM ESTRiver Flood WarningFFCCatoosa59 hr
Mar 9, 10:39 AM ESTRiver Flood WarningFFCWhitfield3 days
Mar 9, 10:39 AM ESTRiver Flood WarningFFCForsyth, Fulton49 hr
Mar 9, 10:39 AM ESTRiver Flood WarningFFCGwinnett11 hr
Mar 9, 10:39 AM ESTRiver Flood WarningFFCClarke, Greene, Oconee11 hr
Mar 9, 11:28 AM ESTAreal Flood WarningFFCCatoosa7 hr
Mar 9, 1:11 PM ESTRiver Flood WarningFFCForsyth20 hr
Mar 9, 1:27 PM ESTSevere Thunderstorm WarningFFCCrisp, Sumter48 min
Mar 9, 1:54 PM ESTSevere Thunderstorm WarningFFCBleckley, Dodge, Laurens, Pulaski51 min
Mar 9, 2:16 PM ESTSevere Thunderstorm WarningFFCDodge, Telfair, Wilcox44 min
Mar 9, 2:44 PM ESTSevere Thunderstorm WarningFFCEmanuel, Johnson, Laurens, Montgomery, Treutlen, Wheeler46 min
Mar 9, 2:57 PM ESTSevere Thunderstorm WarningFFCDodge, Montgomery, Telfair, Wheeler48 min
Mar 9, 3:03 PM ESTRiver Flood WarningFFCPolk8 hr
Mar 9, 3:17 PM ESTWind AdvisoryFFCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more28 hr
Mar 9, 3:24 PM ESTSevere Thunderstorm WarningFFCEmanuel, Treutlen51 min
Mar 9, 3:27 PM ESTRiver Flood WarningFFCFloyd, Gordon4 days
Mar 9, 3:34 PM ESTSevere Thunderstorm WarningFFCMontgomery, Toombs41 min
Mar 9, 3:46 PM ESTRiver Flood WarningFFCMurray, Whitfield51 hr
Mar 9, 5:59 PM ESTRiver Flood WarningFFCFloyd56 hr

Nearby

Flash Flood Warnings in Georgia, 2011Every flash flood warning in 2011

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.