Alert archive / Georgia / Flash Flood Warnings in 2011

Flash Flood Warning 2, NWS Atlanta, GA

March 9, 2011Floyd County, Haralson County, Polk County, Georgia

NWS Atlanta, GA issued this flash flood warning at Mar 9, 2011, 9:24 AM EST for Floyd County, Haralson County, Polk County, Georgia. It was in force for 6 hr. 6 reports 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, 9:24 AM EST (14:24 UTC)
Expired
Mar 9, 2011, 3:15 PM EST
In force
6 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Floyd County, GA, Haralson County, GA, Polk County, GA

The radar

The Atlanta radar (KFFC), 100 km from the middle of the area, began a volume at 14:24 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, 12:00 PM ESTFLOOD4 Sw Buchanan, GABEECH CREEK BRIDGE CLOSED.
Mar 9, 12:00 PM ESTFLOOD6 Ene Buchanan, GAFRANCIS WHITE ROAD CLOSED DUE TO CREEK OUT OF ITS BANKS.
Mar 9, 12:00 PM ESTFLASH FLOOD3 S Cedartown, GAPOLK COUNTY 911 RELAYED REPORTS OF 2 COUNTRY ROADS BEING CLOSED DUE TO FLOODING FROM NEARBY DITCHES AND STREAMS.
Mar 9, 12:00 PM ESTFLASH FLOOD4 Sw Buchanan, GABEECH CREEK BRIDGE CLOSED.
Mar 9, 12:00 PM ESTFLASH FLOOD6 Ene Buchanan, GAFRANCIS WHITE ROAD CLOSED DUE TO CREEK OUT OF ITS BANKS.
Mar 9, 12:00 PM ESTFLASH FLOODRome, GAFLOYD COUNTY EMERGENCY MANAGEMENT REPORTED A FLAG FOOTBALL FIELD NEAR FLOYD HOSPITAL WAS FLOODED. AROUND 18 ROADS HAVE BEEN CLOSED DUE TO FLOODING FROM NEARBY DITCHES AND STREAMS IN ROME AND SURROUNDING PORTIONS OF FLOYD COUNTY.

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, 2.4 hours before the alert went out and 102 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.

332 
WGUS52 KFFC 091424
FFWFFC
GAC115-143-233-092015-
/O.NEW.KFFC.FF.W.0002.110309T1424Z-110309T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FLOYD COUNTY IN NORTHWEST GEORGIA
  HARALSON COUNTY IN NORTHWEST GEORGIA
  POLK COUNTY IN NORTHWEST GEORGIA

* UNTIL 315 PM EST

* AT 915 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 300 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 FLOYD...POLK AND HARALSON COUNTIES.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ROME...
  CEDARTOWN AND BUCHANAN.

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 3428 8545 3428 8539 3438 8532 3443 8510
      3440 8510 3439 8501 3425 8501 3421 8505
      3409 8505 3408 8502 3395 8503 3395 8505
      3386 8503 3372 8505 3365 8532 3365 8533

$$

16
1 follow-up statement
192 
WGUS72 KFFC 092015
FFSFFC

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

GAC115-143-233-092045-
/O.EXP.KFFC.FF.W.0002.000000T0000Z-110309T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
POLK GA-FLOYD GA-HARALSON GA-
315 PM EST WED MAR 9 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 315 PM EST FOR HARALSON...
FLOYD AND POLK COUNTIES...

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

THE EURHALEE CREEK IN ROCKMART WAS AT 9.3 FEET AND RISING SLOWLY. 
FLOOD STAGE IS 9 FEET. THE CREEK SHOULD CREST NEAR 9.5 FEET THIS 
AFTERNOON...THEN FALL BELOW FLOOD STAGE THIS EVENING.

THE RAIN HAS ENDED OVER THE WARNED AREA AND MOST FLOODING IS IN 
RECESSION. A FEW LOW LYING AND SLOW DRAINING AREAS MAY TAKE A LITTLE 
MORE TIME. 

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 3428 8545 3428 8539 3438 8532 3443 8510
      3440 8510 3439 8501 3425 8501 3421 8505
      3409 8505 3408 8502 3395 8503 3395 8505
      3386 8503 3372 8505 3365 8532 3365 8533

$$

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, 9:35 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, 10:58 AM ESTFlash Flood WarningFFCBartow, Gordon5 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.